[ovirt-users] Re: ovirt-shell SSL Error

[Luca 'remix_tj' Lorenzetto]

Hello,

i don't know the tool, but maybe insecure = True will help.
Alternatively try to import ovirt's ca certificate into your system
truststore.

Luca

On Tue, Nov 17, 2020 at 2:23 PM FRIES, Dirk, SHS Informatik via Users
 wrote:
>
> Hello there,
>
>
>
> I am trying to connect via ovirt-shell to my ovirt manager.
>
>
>
> To do this I've downloaded the CA File 
> (https://127.0.0.1/ovirt-engine/services/pki-resource?resource=ca-certificate=X509-PEM-CA)
>  to /tmp and set up my config in .ovirtshellrc :
>
>
>
> [cli]
>
> autoconnect = True
>
> autopage = True
>
> [ovirt-shell]
>
> username = adminuser
>
> renew_session = False
>
> timeout = None
>
> extended_prompt = False
>
> url = https://127.0.0.1/api
>
> insecure = False
>
> kerberos = False
>
> filter = False
>
> session_timeout = None
>
> ca_file = /tmp/pki-resource?resource=ca-certificate
>
> dont_validate_cert_chain = True
>
> key_file = None
>
> password = somepassword
>
> cert_file = None
>
>
>
> So when I am trying to connect I get the following error:
>
>
>
> (60, "Peer's certificate issuer has been marked as not trusted by the user.")
>
>
>
> While researching I also found a pretty similar issue here 
> https://lists.ovirt.org/archives/list/users@ovirt.org/thread/IYG6AQPII25366IZQ7E3VD622CKP2OSC/
>  but unfortunally there is no solution posted.
>
>
>
> Does anyone have a hint for me what could cause this problem or where to look 
> else ?
>
>
>
> Thanks a lot !
>
>
>
> Bye, Dirk
>
>
>
>
>
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-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , 
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[ovirt-users] Re: Is oVirt suited for supporting long-lived VMs than OpenStack?

[Luca 'remix_tj' Lorenzetto]

On Thu, Aug 20, 2020 at 10:02 AM yam yam  wrote:
>
> thanks, Luca
>
> As you said, I thought they have different use cases like pets vs cattle.
> but as OpenStack supports many features(like live migration, snapshot, vm HA, 
> ...), it "I guess" seems to encompass what oVirt can do.
>
> so is there any specific use case oVirt only covers??

Hello,

i know no one. But oVirt il 10x easier to manage because has a simpler
setup (fewer components).

Luca

-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , 
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[ovirt-users] Re: Is oVirt suited for supporting long-lived VMs than OpenStack?

[Luca 'remix_tj' Lorenzetto]

Hello

On Thu, Aug 20, 2020 at 6:41 AM yam yam  wrote:
>
> Hi guys,
>
> I'm wondering why people say oVirt is better suited for traditional workloads 
> like long-lived VMs than OpenStack.
> does oVirt have some additional features for it?

oVirt is a traditional hypervisor, for "traditional" workloads (pets,
not cattle). So it is suitable for vm deployed and running for months
to years. Support snapshots, vm live migration from host to host etc
etc.

In several cases people looking at an alternative hypervisor for
vmware lands on Openstack because it is a bigger project. After some
testing they find out is not suitable for their use case. Instead
oVirt is the right tool you're looking for if you want to have the
same kind of workload you'll run on vmware.

Luca



-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , 
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[ovirt-users] Re: Upgrade ovirt from 3.4 to 4.3

[Luca 'remix_tj' Lorenzetto]

Hello,

as far as I know yes. If IIRC, 3.5 was the first release supporting
attach/detach of volumes, using OVF_STORE:
https://www.ovirt.org/develop/release-management/features/storage/importstoragedomain.html

Luca

On Thu, Jun 11, 2020 at 5:48 PM  wrote:
>
> Is it valid to import SD from 3.5 to the newest 4.4?
>
> Thanks in advance
>
>
> https://www.ovirt.org/documentation/admin-guide/chap-Storage.html
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-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , 
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[ovirt-users] Re: cloud-init: reverts on reboot

[Luca 'remix_tj' Lorenzetto]

Hello,

to be sure cloud-init will never more invoked after first
configuration i always specify:

touch /etc/cloud/cloud-init.disabled

as command executed by cloud-init. In this way, won't start anymore.

Luca

On Thu, Jun 11, 2020 at 12:53 PM Liran Rotenberg  wrote:
>
> Hi Justin,
> Make sure that cloud-init is installed and enabled on the VM (before creating 
> a template from it).
> The template should be sealed.
>
> Then you can create a VM from it.
> There are two options:
> 1. Edit the VM with cloud-init configuration.
> 2. Run-Once with cloud-init configuration.
>
> Your changes should persist on the VM. If you are talking specifically about 
> the static network being reverted back (to DHCP), we had a bug on it.
> Please make sure your cloud-init version is up to date to be at least 18.5-8 
> as seen in the bug:
> https://bugzilla.redhat.com/1706482
>
> Regards,
> Liran.
>
> On Thu, Jun 11, 2020 at 9:45 AM Nathanaël Blanchet  wrote:
>>
>> Sure it is possible, use "run once" setting with cloud-init checkbox to 
>> fetch cloud-init settings when you decide and not only at the first boot.
>>
>> - Mail original -
>> De: "Jp" 
>> À: "users" 
>> Envoyé: Jeudi 11 Juin 2020 04:36:16
>> Objet: [ovirt-users] cloud-init: reverts on reboot
>>
>> cloud-init settings entered into Hosted Engine are reverting after reboot, 
>> so what's the correct workflow for using the UI form?
>>
>> I'd like a workflow where I can:
>> 1. start with Template (covers most settings)
>> 2. create VM
>> 3. use cloud-init in the UI (for a few settings, like static IP)
>> 4. start/reboot VM and have cloud-init settings stick
>>
>> How is the above possible?
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-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , 
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[ovirt-users] Re: Ovirt Manager HA

[Luca 'remix_tj' Lorenzetto]

Hello,

the solution is to use hosted-engine. This implements automatic HA for
the engine vm.

Luca

On Wed, Jun 10, 2020 at 8:22 AM Vijay Sachdeva via Users
 wrote:
>
> Hi All,
>
>
>
> Is there a documentation on creating Ovirt-Manager in HA or is it possible to 
> make the manager to run in HA environment. Since it seems to be a single 
> point of failure..!!
>
>
>
> Thanks
>
> Vijay Sachdeva
>
>
>
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-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , 
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[ovirt-users] Re: Creating an Isolated/External Network

[Luca 'remix_tj' Lorenzetto]

Hello,

you mean you want to create a network where no other virtual machines
are communicating, except from the two ones you created?

You need to create a new logical network, not on external provider,
but internally, with a new VLAN ID (if sharing the same interface of
other networks). Then you need to associate this network to the
network interfaces of each host. Ensure also the vlan id you specified
is configured on the switches where your hosts are connected.

Luca

On Fri, May 8, 2020 at 4:42 PM  wrote:
>
> Hi all,
>
> Obligatory I'm not sure if this is the right place to post and obligatory I 
> am very new here. I could really use some help. I'd like to build an 
> isolated/external network so that I can build two VMs that need to interact 
> with each other and each other alone while they are being built. I'd like to 
> protect them from interacting with other VMs I have and I'd like to protect 
> my other VMs from interacting with them.
>
> I attempt to create this network by going to Network > Networks > New, and I 
> make sure to click the "create on external provider" checkbox and select 
> "Disabled" under the "Network Port Security" drop-down menu. When I click 
> "ok" I get the error message:
>
>  "Error while executing this action: User is not authorized to perform this 
> action".
>
> This isn't an issue, I just went to the super user and had him try the same 
> thing, and he gets this error message:
>
> "Error while executing action AddNetworkOnProvider: Failed to communicate 
> with the external provider, see logs for additional details".
>
> The oVirt log wasn't that helpful, as it just told me the time oVirt failed 
> to create the network. Neither my super user nor I can figure out why this is 
> happening. Would greatly appreciate any advice you can give me. Thanks!
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-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , 
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[ovirt-users] Re: Info about openstack staging-ovirt driver connection not released

[Luca 'remix_tj' Lorenzetto]

Hello Gianluca,

did you tried contacting the RDO team which is responsible of that
package? If is an easy fix, they can commit (or help you committing)
directly in Openstack.

Luca

On Mon, Apr 27, 2020 at 10:33 PM Gianluca Cecchi
 wrote:
>
> On Sun, Apr 26, 2020 at 1:19 PM Gianluca Cecchi  
> wrote:
>>
>> Hello,
>> I'm setting up an Openstack Queens lab ( to best match OSP 13) using oVirt 
>> VMs as nodes.
>> At this time only undercloud configured and 8 Openstack nodes (VMs) set as 
>> available for provisioning.
>> I'm using staging-ovirt driver on director node in similar way as the vbmc 
>> one.
>> I see from oVirt active user sessions page that every minute I have one 
>> connection for node (in my case 8) of the designated user (in my case 
>> ostackpm).
>> But it seems they are never released.
>> How can I check the problem?
>>
>> Director is CentOS 7 server and the staging-ovirt driver is provided by the 
>> package:
>>
>> [root@director ~]# rpm -q python-ovirt-engine-sdk4
>> python-ovirt-engine-sdk4-4.3.2-2.el7.x86_64
>> [root@director ~]#
>>
>> I didn't configure the oVirt repo but only installed the latest stable 
>> available for 4.3.9:
>>
>> wget 
>> https://resources.ovirt.org/pub/ovirt-4.3/rpm/el7/x86_64/python-ovirt-engine-sdk4-4.3.2-2.el7.x86_64.rpm
>>  sudo yum localinstall python-ovirt-engine-sdk4-4.3.2-2.el7.x86_64.rpm
>>
>> Anyone with experience on this?
>>
>> In the mean time any way to use a command using api to kill the stale (I 
>> think) sessions?
>> Thanks,
>> Gianluca
>
>
> Anyone?
> It seems that the script involved for power management is 
> /usr/lib/python2.7/site-packages/ironic_staging_drivers/ovirt/ovirt.py, of 
> which you can find a copy here:
> https://drive.google.com/file/d/1pC1TXuuc0Vks2UBwlmCHGP4oULVzK1_s/view?usp=sharing
>
> It is part of package 
> openstack-ironic-staging-drivers-0.9.2-0.20190420093856.546ceca.el7.noarch 
> and it misses the "connection.close()" part.
> Anyone more experienced in python can tell me where is it better to put the 
> connection close statement (and if more than one only, in case)?
>
> Thanks,
> Gianluca
>
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-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , 
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[ovirt-users] Re: Debian 10 template - cloud init not working

[Luca 'remix_tj' Lorenzetto]

Hello Sakari,

did you start the vm with "Run Once"? Cloud-init config is attached
only with this boot method.

Luca

On Thu, Mar 5, 2020 at 1:29 PM Sakari Poussa  wrote:
>
> Hi,
>
> I have tried centos7 & 8, debian 9 and ubuntu 18.04 template based VMs with 
> cloud init (Initial run/use cloud init) and they all work as expected.
>
> However, the debian 10 template based VM seems *not* to execute the cloud 
> init at all. It boots but hostname is not set and users / password are not 
> set. You can't log in since there is no users and passwords/keys.
>
> Is this a known issue? Or am I missing something?
>
> The templates are from ovirt-image-repository storage domain. I have also 
> created newer debian 10.3.0 template via ovirt.image-template ansible role. 
> Results are the same.
>
> I am running ovirt 4.4-pre.
>
> Thanks, Sakari
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-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , 
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[ovirt-users] Re: Strategy to Mange Ovirt VMs Created from Templates

[Luca 'remix_tj' Lorenzetto]

Hello Jeremy,

we did this kind of workflow:

- create a standard base image, with all the required updates you
want. We usually started from the previous template of the same RHEL
release, but you can start from scratch every time if you want.
- Install cloud-init that starts at boot and then, after the first
successful execution, disables itself.
- a ssh key for ansible to allow login as root without password. This
key will be then removed after deployment is completed.
- create this new template as new version of the existing RHEL
template (RHEL 7 as example)

At deploy time with ansible:
- deploy a new vm starting from the latest template of RHEL7. Use
run_once cloudinit details for setting ip address. The vm has to be
connected to the right virtual network.
- wait_for vm to be reachable via network
- proceed with ansible to configure/install the remaining parts
(authentication, monitoring agents, backup utilities).

Luca

On Mon, Dec 23, 2019 at 4:20 PM  wrote:
>
> I want to be able to manage VMs using Ansible.  As part of the template 
> creation process it says to seal the VM.  Can someone tell me what sealing 
> does to a Linux VM?  I understand it removes some of things that make the VM 
> unique but no real specifics.
>
> So, if I want to manage a VM created from a template would this general 
> process work?-
>
> Seal the VM
> Install CloudInit and keys, accounts, etc
> Shut off VM and create template from it.
>
> Create new VM using Ansbile & CloudInit
> CloudInit would have just enough info so that you could manage the VM with 
> Ansible.
>
> Would that work?
>
> I am just starting to explore what CloudInit can do and what it is.  I am 
> brand new to it.  I didn't find enough info on template sealing to help me 
> devise a full cycle management strategy.  Perhaps there are other/easier 
> methods?  Thanks for your advice and input.
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-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , 
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[ovirt-users] Re: Upgrade ovirt from 3.4 to 4.3

[Luca 'remix_tj' Lorenzetto]

Hello,

as far as i remember from my certification course, ovirt/rhv 3.5 is
still based on 6. So you can easily upgrade in place and then make
detach/attach.

Luca

On Tue, Dec 3, 2019 at 9:13 AM  wrote:
>
> I have found also this topic:
>
> https://access.redhat.com/articles/1390733
>
> "RHEV 3.5 supports both RHEL6 and RHEL7 hosts (RHEL or RHEV-H). It is 
> recommended to upgrade your hosts to RHEL7 once on RHEV 3.5."
>
> If this is true i could make an update of the hypervisors 6 and not a 
> reinstall with centos 7 to reach the 3.5 release...After this as you suggest 
> i can do a storage domain detach from 3.5 in order to attach to a new 4.3 
> enviroment...
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-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , 
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[ovirt-users] Re: Upgrade ovirt from 3.4 to 4.3

[Luca 'remix_tj' Lorenzetto]

On Mon, Dec 2, 2019 at 3:19 PM  wrote:
>
> Hi Luca,
>
> thanks for you reply. Following this procedure which are the step that i must 
> reinstall instead of upgrade the Hypervisors?
>

You'll need to reinstall the hypervisors when upgrading from 3.6 to
4.0, because changes the OS release from centos/rhel 6 to centos/rhel
7. And maybe you'll require to do the same with the engine server.

An alternative procedure can be to stop all the vms on the 3.4
cluster, detach the storage volumes and attach the storage volumes on
a new cluster 4.3, reimporting back all the vms after recreating the
networks. I'm not sure this can work directly with 3.4 (maybe you
require to upgrade at least to 3.5), because is a very ancient
release, but maybe you can upgrade up to 3.6 and this should work.
With this procedure you can upgrade with a single step, but with a
longer downtime.

Someone with more experience can confirm this?

Luca

-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , 
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[ovirt-users] Re: Upgrade ovirt from 3.4 to 4.3

[Luca 'remix_tj' Lorenzetto]

Hello Luigi,

You can upgrade to the latest minor of 3.4 and then upgrade step by step to
each major (3.5 3.6 4.0 4.1 4.2 4.3)
It's a long procedure, requires several downtimes for upgrading the cluster
compatibility level, but shouldn't be so hard.

Luca

Il dom 1 dic 2019, 12:05  ha scritto:

> Good morning,
>
> i have a difficult enviroment with 20 Hypervisors based on ovirt 3.4.3-1
> and i would like to reach the 4.3 version. Which are the best steps to
> achieve these objective?
>
> Thanks in advance
>
> Luigi
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[ovirt-users] Re: Migrate VM from oVirt to oVirt

[Luca 'remix_tj' Lorenzetto]

Hello Adrian,

i did the migration with a data storage domain in this way:
- attach the storage domain to datacenter in site A
- move the VM to SD
- shut down the vm
- detach the storage domain from datacenter A
- attach to datacenter B
- Import VM in datacenter B
- Start vm
- move to final storage domain.

In this way the downtime for the migration is less than 5 minutes.

Luca

On Tue, Nov 12, 2019 at 3:42 AM  wrote:
>
> Hello,
> What would be the procedure to migrate a VM from oVirt to oVirt?
>
> Migrate from  oVirt 4.2 running on Site A to oVirt 4.3 Site B.
>
> thanks!
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-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , 
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[ovirt-users] Re: GFS/GFS2

[Luca 'remix_tj' Lorenzetto]

Hello,

pay attention that GFS2 requires clustering software, and i don't know
if this may conflict with VDSM or other oVirt components.

If possible prefer standard setup using external iscsi/fc/nfs storage
if you don't want glusterfs.

Luca

On Wed, Sep 18, 2019 at 12:06 PM Fabio Marzocca  wrote:
>
> Ciao Luca,
>
> That's because we already have a good knowledge of GFS2 on another 
> installation.
> Thanks
> F.
>
> On Wed, Sep 18, 2019 at 12:02 PM Luca 'remix_tj' Lorenzetto 
>  wrote:
>>
>> Hello Fabio,
>>
>> as storage domain? Yes, if you use POSIX domain, but i don't see any
>> advantage on using GFS. GlusterFS is preferred for replica on multiple
>> nodes.
>>
>> https://www.ovirt.org/documentation/admin-guide/chap-Storage.html
>>
>> Luca
>>
>> On Wed, Sep 18, 2019 at 11:58 AM  wrote:
>> >
>> > Is GFS/GFS2 supported by oVirt as shared storage?
>> > ___
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>>
>>
>>
>> --
>> "E' assurdo impiegare gli uomini di intelligenza eccellente per fare
>> calcoli che potrebbero essere affidati a chiunque se si usassero delle
>> macchine"
>> Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)
>>
>> "Internet è la più grande biblioteca del mondo.
>> Ma il problema è che i libri sono tutti sparsi sul pavimento"
>> John Allen Paulos, Matematico (1945-vivente)
>>
>> Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , 
>> 



-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , 
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[ovirt-users] Re: GFS/GFS2

[Luca 'remix_tj' Lorenzetto]

Hello Fabio,

as storage domain? Yes, if you use POSIX domain, but i don't see any
advantage on using GFS. GlusterFS is preferred for replica on multiple
nodes.

https://www.ovirt.org/documentation/admin-guide/chap-Storage.html

Luca

On Wed, Sep 18, 2019 at 11:58 AM  wrote:
>
> Is GFS/GFS2 supported by oVirt as shared storage?
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-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , 
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[ovirt-users] Re: ovirt nic ansible module

[Luca 'remix_tj' Lorenzetto]

Hello Nathanaël,

i suppose setting nic as unplugged will set the link down.

Luca

On Tue, Jun 18, 2019 at 3:04 PM Nathanaël Blanchet  wrote:
>
> Hello,
>
> With that module, we can make the nic present/absent/plugged/unplugged,
> but is there a way to make the link state up or down?
>
> Thanks.
>
> --
> Nathanaël Blanchet
>
> Supervision réseau
> Pôle Infrastrutures Informatiques
> 227 avenue Professeur-Jean-Louis-Viala
> 34193 MONTPELLIER CEDEX 5
> Tél. 33 (0)4 67 54 84 55
> Fax  33 (0)4 67 54 84 14
> blanc...@abes.fr
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-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , 
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[ovirt-users] Re: "Upgrade" from oVirt to RHV

[Luca 'remix_tj' Lorenzetto]

Hello,

I'd create a new engine wirh rhv, move to maintenance/detach an host and
reinstall with rhv. Then detach one by one storage domains on ovirt and
attach to rhv, importing the vms.

This should work.

Luca

Il mer 22 mag 2019, 20:14 Vinícius Ferrão  ha
scritto:

> Hello,
>
> I would like to know if there’s a supported path to move from oVirt to RHV.
>
> oVirt is running on version 4.3.0.4-1.el7.
> RHV would be version 4.3.3.7-0.1.el7.
>
> I was thinking in reinstalling a host with RHV 4.3 and adding it to the
> oVirt HE. Move all the VM’s to the RHV host and than do the same process.
> After it install a new RHVH-M to remove the oVirt Engine. Not sure if this
> would work or not.
>
> Thanks,
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[ovirt-users] Re: Active-Passive Disaster Recovery

[Luca 'remix_tj' Lorenzetto]

Hello Paulo,

the guide is the right one. You have to create in advance networks and
compile a mapping file saying which network name to use on disaster
recovery site. I know that in case of FC storage i had to map the lun
in advance before starting recovery. I don't know if there is
something automated in the ansible recovery role.

Luca

On Wed, May 22, 2019 at 8:07 PM Paulo Silva  wrote:
>
> Hi,
>
> I want to setup an Active-Passive between 2 sites using oVirt 4.3.
>
> For now I have a primary site with an ovirt-engine, 2 ovirt hosts and 5 VMs 
> in an iscsi storage.
> The backup site will have an ovirt-engine with 2 ovirt hosts and an iscsi 
> storage that will will have the same LUNs of the primary replicated.
>
> I'm reading the DR Guide 
> (https://ovirt.org/documentation/disaster-recovery-guide/), in the backup 
> site do I need to manually create the storage domains and the VM networks or 
> will the ansible playbook take care of that?
>
> Thanks
> --
> Paulo Silva 
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-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , 
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[ovirt-users] Re: oVirt upgrade version from 4.2 to 4.3

[Luca 'remix_tj' Lorenzetto]

Hello,

if you want more help you can refer to downstream upgrade helper by
redhat: https://access.redhat.com/labs/rhvupgradehelper/

Luca

On Thu, May 16, 2019 at 2:50 PM MIMMIK _  wrote:
>
> > Hello,
> >
> > as far as I know, the procedure is the usual. You can use the upgrade
> > guide from 4.1 to 4.2.
> >
> > Luca
>
> Hello,
>
> Thanks Luca, but as we are talking about a production platform, I'd like to 
> have an official doc to assure this is the right upgrade procedure.
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-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , 
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[ovirt-users] Re: oVirt upgrade version from 4.2 to 4.3

[Luca 'remix_tj' Lorenzetto]

Hello,

as far as I know, the procedure is the usual. You can use the upgrade
guide from 4.1 to 4.2.

Luca

On Thu, May 16, 2019 at 2:40 PM  wrote:
>
> I cannot find an official upgrade procedure from 4.2 to 4.3 oVirt version on 
> this page: 
> https://www.ovirt.org/documentation/upgrade-guide/upgrade-guide.html
>
> Can you help me?
>
> Thanks
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-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , 
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[ovirt-users] Re: deprecating export domain?

[Luca 'remix_tj' Lorenzetto]

On Wed, May 15, 2019 at 2:51 PM Andreas Elvers
 wrote:
>
> Maybe I overlooked the information, but in recent RHVE 4.3 docs the 
> information how to use the export storage domain have been removed and there 
> is no alternative to do so, but to detach a data domain and attach it 
> somewhere else. But how can I move my VMs one by one to a new storage domain 
> on a different datacenter without completely detaching the original storage 
> domain?

Create a new data domain for the vm transfer, move the vm you want to
migrate to it here. Stop VMs, detach storage domain, attach to new
cluster/datacenter, import vms, move them away from this storage
domain. Once done that you're free to reuse this data domain for
moving other vms.

Luca

-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , 
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[ovirt-users] Re: Best arquitecture for 2 location

[Luca 'remix_tj' Lorenzetto]

Hello Raul,

i think the best solution is this to put engine on one site, managing
both. I'd put to an external vm, not self hosted engine, for better
flexibility in this kind of scenario. Once done, move a copy of the
data frequently to the remote site (copy the vm via storage
replication or backup/restore, or with engine-backup). Once the
primary site goes down, you can recover the engine vm (start from the
backup, or restore the backup with engine-restore). The database
contains all the references to the managed resources, so you can
connect back to the engine UI and see everything. I'd suggest also to
refer to resources via DNS, so there's no issues when addressing
changes.

Luca

On Wed, May 8, 2019 at 10:02 AM  wrote:
>
> Hi Luca, thank you for your reply,
>
> The idea is that the 2 sites will be up. I have read a disaster recovery 
> guide, but I dont need a disaster recovery, I need that, when a site with my 
> manager down, I can have visibility of the situation. And for this I need my 
> manager. And, when I recover my site all should be running (not 2 manager or 
> similar situation).
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-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , 
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[ovirt-users] Re: Best arquitecture for 2 location

[Luca 'remix_tj' Lorenzetto]

Hello,

do you want to have both sites up and running? If not, try looking at
oVirt Disaster Recovery:
https://github.com/oVirt/ovirt-ansible-disaster-recovery

On Mon, May 6, 2019 at 5:16 PM  wrote:
>
> Hi everybody,
>
> I have 2 location separate geographically. I want to deploy an ovirt 
> installation. Evary location has 3 host with a storage system. What is the 
> best arquitecture for this scenario?. My problem is that I don know how to 
> recover the manager if its storage is down. With a backup/recover? How I 
> remove the old manager when I recover the storage?
>
> Cheers
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-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , 
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[ovirt-users] Re: Migration of VMs across two Ovirt setups

[Luca 'remix_tj' Lorenzetto]

Hello Dipak,

i didn't used export domains, but directly data domain, which avoided
me the long time of copying and importing back before powering on.

Luca

On Tue, Feb 19, 2019 at 8:59 AM Dipak D. Chaudhari  wrote:
>
>
> Thanks
>
> Migrated in same way.
>
> 1] Created new nfs export domain on Local data center
> 2] Added export domain to local data center
> 3] Powered off all VMs and exported all VM and related templates to export 
> domain
> 4] Enabled maintenance for domain and detached from Local Data Center Setup
> 5] Added nfs domain created in step 1 to another Data Center
> 6] Imported VMs with templates
> 7] Enabled maintenance for domain and detached from Data Center
> 8]  Dismantled local data center
>
> Done :)
>
>
>
>
>
> On Mon, Feb 18, 2019 at 3:21 PM Luca 'remix_tj' Lorenzetto 
>  wrote:
>>
>> Hello Dipak,
>>
>> we shut down all the vms in a storage domain, detached and then
>> imported on the new environment. Once imported we moved the vms to a
>> newer storage and the old one removed.
>>
>> I don't know what can happen with local storage, but i think works
>> like shared storage.
>>
>> Luca
>>
>> On Sat, Feb 16, 2019 at 6:39 AM  wrote:
>> >
>> > Hi,
>> >
>> > I have two ovirt setups having multiple hosts and cluster and around 100+ 
>> > vms in one and around 32 in one setup.
>> >
>> > I want to dismantle one setup and before before doing so all vms are need 
>> > to be migrated to one setup
>> >
>> > I tried with import vms from another setup using Libvert -- 
>> > https://ovirt.org/develop/release-management/features/virt/KvmToOvirt.html 
>> > but no luck connection not getting established.
>> >
>> > What if I simply remove one host from one setup having local storage(all 
>> > vms are located on local storage) and simply add it to another setup? and 
>> > then migrate VMs from local to shared storage and then dismantle host !
>> >
>> >
>> > Regards
>> > Dipak Chaudhari
>> > ___
>> > Users mailing list -- users@ovirt.org
>> > To unsubscribe send an email to users-le...@ovirt.org
>> > Privacy Statement: https://www.ovirt.org/site/privacy-policy/
>> > oVirt Code of Conduct: 
>> > https://www.ovirt.org/community/about/community-guidelines/
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>> > https://lists.ovirt.org/archives/list/users@ovirt.org/message/NWV54RQGZWPTA6HGAU2O42F2WSVFZCZC/
>>
>>
>>
>> --
>> "E' assurdo impiegare gli uomini di intelligenza eccellente per fare
>> calcoli che potrebbero essere affidati a chiunque se si usassero delle
>> macchine"
>> Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)
>>
>> "Internet è la più grande biblioteca del mondo.
>> Ma il problema è che i libri sono tutti sparsi sul pavimento"
>> John Allen Paulos, Matematico (1945-vivente)
>>
>> Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , 
>> 
>
>
>
> --
>
> Thanks & Regards,
> Dipak D. Chaudhari
>
>


-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , 
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[ovirt-users] Re: Migration of VMs across two Ovirt setups

[Luca 'remix_tj' Lorenzetto]

Hello Dipak,

we shut down all the vms in a storage domain, detached and then
imported on the new environment. Once imported we moved the vms to a
newer storage and the old one removed.

I don't know what can happen with local storage, but i think works
like shared storage.

Luca

On Sat, Feb 16, 2019 at 6:39 AM  wrote:
>
> Hi,
>
> I have two ovirt setups having multiple hosts and cluster and around 100+ vms 
> in one and around 32 in one setup.
>
> I want to dismantle one setup and before before doing so all vms are need to 
> be migrated to one setup
>
> I tried with import vms from another setup using Libvert -- 
> https://ovirt.org/develop/release-management/features/virt/KvmToOvirt.html 
> but no luck connection not getting established.
>
> What if I simply remove one host from one setup having local storage(all vms 
> are located on local storage) and simply add it to another setup? and then 
> migrate VMs from local to shared storage and then dismantle host !
>
>
> Regards
> Dipak Chaudhari
> ___
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-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , 
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[ovirt-users] Re: Changing DNS servers

[Luca 'remix_tj' Lorenzetto]

Hello,

did you checked under the network configuration of ovirtmgmt on each
host? Here there are directives for setting ip, dns and gateway.
Since you're reporting a file from vdsm, that configuration can be
changed through the manager ui.

Luca


On Thu, Jan 31, 2019 at 3:25 PM Chris Adams  wrote:
>
> I am trying to change the DNS servers on the hosts on a 4.1 cluster.  It
> appears that oVirt has "learned" them somewhere.  They are in
> /etc/sysconfig/network-scripts/ifcfg-ovirtmgmt (and of course
> /etc/resolv.conf), but that file gets rewritten on a reboot (so if I
> change it they just change back).  I can't find anything in the web UI
> to set/change DNS, but obviously they're stored somewhere.
>
> I see /var/lib/vdsm/persistence/netconf./nets/ovirtmgmt has
> the config; is it safe to directly edit that file?
>
> --
> Chris Adams 
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-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , 
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[ovirt-users] Converting Thin/Dependent to Thick/Independent

[Luca 'remix_tj' Lorenzetto]

Hello,

I'm looking for a way for speeding up the deployment of new vms. I've
seen that if i use, under "Resource Allocation", "Storage Allocation"
flagged Thin, the vm creation is very quick.
But this makes the machine dependent from the template and if, for any
reason, the template gets corrupted or is not accessible, the vm will
not boot.

Is there any way for converting the vm from dependent to independent
while this is online?

Luca



-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , 
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[ovirt-users] Re: Install additional software on ovirt node

[Luca 'remix_tj' Lorenzetto]

Hello Stefan,

the software installed via yum should remain the same after upgrade,
as stated here:

https://ovirt.org/develop/release-management/features/node/node-next-persistence/

Luca
On Tue, Dec 11, 2018 at 1:12 PM Stefan Wolf  wrote:
>
> Hello,
>
> if I install on an ovirt node additional software, will it removed after 
> updating the ovirt node or run in to trouble?
>
> thx shb
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-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , 
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[ovirt-users] Re: To much hosts in this cluster

[Luca 'remix_tj' Lorenzetto]

Hello,

you did hosted-engine undeploy before removing?

Luca

On Sun, Dec 9, 2018 at 12:19 PM Stefan Wolf  wrote:

> Hello,
>
>
>
> i had 3 hosts with ovirt running, with one of this 3 host i had problems
> during boot up.
>
> I decied to remove the host from the cluster. Now i ve two hosts
>
> But if I take a look at Hosted Engine in cockpit i see all three hosts
>
> Why ist he kvm380 not removed?
>
> How can I remove it?
>
>
>
> Thx shb
>
>
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>


-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , <
lorenzetto.l...@gmail.com>
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[ovirt-users] Re: Delete un-imported VMs from FC storage.

[Luca 'remix_tj' Lorenzetto]

Hello Jacob,

to be honest i don't know. I'd import them without powering on and
then delete the vm. Removing is a complex activity since there are
metadata and other thing written on OVF_STORE disks and other places.

Luca
On Thu, Nov 29, 2018 at 5:14 AM Jacob Green  wrote:
>
> Hey wanted to thank you for your reply, and wanted to let you know that late 
> after I sent this email, my colleuege and I figured out we needed to enable 
> the FCoE key in the ovirt manager and tell ovirt that eno51 and eno52 
> interfaces are FCoE.
>
>
> However I ran into another issue. Now that our Fiber channel is imported to 
> the new environment and were able to import VMs, we have some VMs that we 
> will not be importing, however we see no way to delete them from the storage 
> in the GUI. Or I am just missing it.
>
>
> TLDR: How does one delete VMs available for import, without importing them 
> from the storage domain?
>
>
> Thank you.
>
>
>
> On 11/28/2018 01:26 AM, Luca 'remix_tj' Lorenzetto wrote:
>
> On Wed, Nov 28, 2018 at 6:54 AM Jacob Green  wrote:
>
> Any help or insight into fiber channel with ovirt 4.2 would be greatly
> appreciated.
>
> Hello Jacob,
>
> we're running a cluster of 6 HP BL460 G9 with virtual connect without issues.
>
> [root@kvmsv003 ~]# dmidecode | grep -A3 '^System Information'
> System Information
> Manufacturer: HP
> Product Name: ProLiant BL460c Gen9
> Version: Not Specified
>
> We've, anyway, a different kind of CNA:
>
> [root@kvmsv003 ~]# cat 
> /sys/class/fc_host/host1/device/scsi_host/host1/modeldesc
> HP FlexFabric 20Gb 2-port 650FLB Adapter
>
> But i see is running the same module you're reporting
>
> [root@kvmsv003 ~]# lsmod | grep bnx
> bnx2fc103061  0
> cnic   67392  1 bnx2fc
> libfcoe58854  2 fcoe,bnx2fc
> libfc 116357  3 fcoe,libfcoe,bnx2fc
> scsi_transport_fc  64007  4 fcoe,lpfc,libfc,bnx2fc
> [root@fapikvmpdsv003 ~]#
>
> Since the fcoe connection is managed directly by virtual connect, i'm
> not having fcoe informations shown with fcoeadm:
>
> [root@kvmsv003 ~]# fcoeadm -i
> [root@kvmsv003 ~]#
>
> Are you sure you set up the right configuration on virtual connect side?
>
> Luca
>
>
> --
> Jacob Green
>
> Systems Admin
>
> American Alloy Steel
>
> 713-300-5690



-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , 
___
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[ovirt-users] Re: FCoE wont initialize on reboot oVirt 4.2.

[Luca 'remix_tj' Lorenzetto]

On Wed, Nov 28, 2018 at 6:54 AM Jacob Green  wrote:
>
> Any help or insight into fiber channel with ovirt 4.2 would be greatly
> appreciated.
>

Hello Jacob,

we're running a cluster of 6 HP BL460 G9 with virtual connect without issues.

[root@kvmsv003 ~]# dmidecode | grep -A3 '^System Information'
System Information
Manufacturer: HP
Product Name: ProLiant BL460c Gen9
Version: Not Specified

We've, anyway, a different kind of CNA:

[root@kvmsv003 ~]# cat /sys/class/fc_host/host1/device/scsi_host/host1/modeldesc
HP FlexFabric 20Gb 2-port 650FLB Adapter

But i see is running the same module you're reporting

[root@kvmsv003 ~]# lsmod | grep bnx
bnx2fc103061  0
cnic   67392  1 bnx2fc
libfcoe58854  2 fcoe,bnx2fc
libfc 116357  3 fcoe,libfcoe,bnx2fc
scsi_transport_fc  64007  4 fcoe,lpfc,libfc,bnx2fc
[root@fapikvmpdsv003 ~]#

Since the fcoe connection is managed directly by virtual connect, i'm
not having fcoe informations shown with fcoeadm:

[root@kvmsv003 ~]# fcoeadm -i
[root@kvmsv003 ~]#

Are you sure you set up the right configuration on virtual connect side?

Luca

-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , 
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[ovirt-users] Re: Ovirt VNC Server

[Luca 'remix_tj' Lorenzetto]

Hello,

Why using guacamole instead of the user portal of ovirt?

Ovirt vnc connection requires a one time password which is generated on the
fly when clicking on the open console link.

Luca

Il giorno gio 15 nov 2018, 20:05 Hari Prasanth Loganathan <
hariprasant...@msystechnologies.com> ha scritto:

> Hi Team,
>
> I have a VM for which I applied the console configuration as VNC.
> Now I have installed a tool Guacamole to connect to this VM from outside.
> As per Guacamole, It expects the following parameter to connect to the VM
> using VNC,
>
> 
> vnc
> 172.1.1.1
> *5901*
> 
>
> I understand that the IP Address is VM's IP address but what is the port I 
> need to use for connecting to the VM? What is the  VNC server port in ovirt?
>
> Anyhelp is appreciated.
>
>
> Thanks,
>
> Hari
>
>
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[ovirt-users] Re: [ovrit-users] Anyone with Fiber Channel oVirt Storage Experience?

[Luca 'remix_tj' Lorenzetto]

On Wed, Nov 14, 2018 at 4:39 PM Jacob Green  wrote:
>
>  I just have a few simple questions, have you migrated a fiber
> channel storage domain from one ovirt environment to another? And how
> did it go, did it just work aside from having to import all the vms and
> configure their settings was it any more difficult than that?
>
> We want to migrate our fiber channel storage with VM's intact from an
> oVirt 4.1 environment to a brand new oVirt 4.2 environment.

Hello Jacob,

we just did in our production environment using EMC VNX and EMC VPLEX
as storage backends. We simply zoned the new servers' hba with the
storage and on storage side we gave access to the same luns as the
older setup.

Once done this we stopped all the vms on source side (4.1), detached
the storage domain and imported on the new one (4.2). Then, imported
all the vms.

Please note that you MUST detach from source BEFORE attaching on
destination or you'll break everything.

Nothing special required. The only simplification is using the same
network names on both sides, so is easier to import.

We didn't automate anything, but you can do it for sure with ansible.

Luca
-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , 
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[ovirt-users] Re: Q: Guest shutdown from UPS power off signal with "virsh"

[Luca 'remix_tj' Lorenzetto]

On Thu, Nov 8, 2018 at 4:26 PM Andrei Verovski  wrote:
>
> Hi !
>
> I have a shell script running on all servers which intercepts power off 
> signal (in case of power failure).
>
> Is it safe to use direct KVM “virsh” commands to force guest shutdown on 
> oVirt nodes, bypassing oVirt engine ?
>
> “shutdown now” directly on oVirt nodes v4.2.6 takes an enormous amount of 
> time because for whatever reason guests can’t be suspended. My nodes 
> installed on CentOS 7.5, I’m not using pre-packaged version because each 
> consecutive upgrade simply wipes out all my mods.

Hello,

did you evaluated shutting down vms via ansible or ovirt sdk?

https://github.com/oVirt/ovirt-engine-sdk/blob/master/sdk/examples/stop_vm.py

https://docs.ansible.com/ansible/2.7/modules/ovirt_vm_module.html#examples

Luca


-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , 
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[ovirt-users] Re: No network adapter in fresh pool

[Luca 'remix_tj' Lorenzetto]

Hello,

the template seems good. How is the pool configured?
On Thu, Oct 25, 2018 at 5:13 PM Администраторы  wrote:
>
> Hello Luca,
> But there is an interface, as well as in a virtual machine that was a template
> http://prntscr.com/ladwp9
> But after creating pool, no nic gonna been added, I tried to add it manually, 
> but its remove after reboot.
>
> http://prntscr.com/ladyod
>
> -Original Message-
> From: Luca 'remix_tj' Lorenzetto [mailto:lorenzetto.l...@gmail.com]
> Sent: Thursday, October 25, 2018 12:02 PM
> To: Администраторы 
> Cc: users 
> Subject: Re: [ovirt-users] No network adapter in fresh pool
>
> Hello Roman,
>
> as far as i know is because your template you're using in the pool 
> configuration is missing of network connections.
>
> Luca
> On Thu, Oct 25, 2018 at 10:52 AM Roman Last  wrote:
> >
> > Hi there!
> > I noticed, that at creating vm pool there is no section about vNIC on new 
> > vms, So all new fresh vms create without network intefaces, Is it normal 
> > behavior?
> >
> > Cheers!
> > ___
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> > OCVQYNSY4XR5YUMF6KTNHSP6/
>
>
>
> --
> "E' assurdo impiegare gli uomini di intelligenza eccellente per fare calcoli 
> che potrebbero essere affidati a chiunque se si usassero delle macchine"
> Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)
>
> "Internet è la più grande biblioteca del mondo.
> Ma il problema è che i libri sono tutti sparsi sul pavimento"
> John Allen Paulos, Matematico (1945-vivente)
>
> Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , 
> 



-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , 
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[ovirt-users] Re: No network adapter in fresh pool

[Luca 'remix_tj' Lorenzetto]

Hello Roman,

as far as i know is because your template you're using in the pool
configuration is missing of network connections.

Luca
On Thu, Oct 25, 2018 at 10:52 AM Roman Last  wrote:
>
> Hi there!
> I noticed, that at creating vm pool there is no section about vNIC on new 
> vms, So all new fresh vms create without network intefaces, Is it normal 
> behavior?
>
> Cheers!
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-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , 
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[ovirt-users] Re: removing FC storage

[Luca 'remix_tj' Lorenzetto]

Hi,

i don't know, is a right question anyway.

Luca
On Wed, Oct 10, 2018 at 6:23 AM David David  wrote:
>
> why engine not removing volume group after removing storage domain ?
> bug or so it is made specially ?
>
> вт, 9 окт. 2018 г. в 10:29, Luca 'remix_tj' Lorenzetto 
> :
>>
>> On Tue, Oct 9, 2018 at 7:05 AM David David  wrote:
>> >
>> > How to remove FC storage domain correctly?
>> > I turned off the FC storage domain in the cluster (maintenance -> detach 
>> > -> remove), but the volume group still remained on the hosts and I would 
>> > have to remove them manually and need to clear a multipath links too, 
>> > before I turn off the LUN on the FC storage.
>> > How will the cluster behave if there are differences in the volume groups 
>> > on the hosts?
>> > Because I can’t simultaneously delete partitions and multipath links on 
>> > all hosts, and this process will occur sequentially on each host.
>>
>> Hello,
>>
>> i confirm what you're doing is right. You can automate it through a
>> script or ansible playbook.
>>
>> Luca
>>
>>
>> --
>> "E' assurdo impiegare gli uomini di intelligenza eccellente per fare
>> calcoli che potrebbero essere affidati a chiunque se si usassero delle
>> macchine"
>> Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)
>>
>> "Internet è la più grande biblioteca del mondo.
>> Ma il problema è che i libri sono tutti sparsi sul pavimento"
>> John Allen Paulos, Matematico (1945-vivente)
>>
>> Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , 
>> 



-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , 
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[ovirt-users] Re: removing FC storage

[Luca 'remix_tj' Lorenzetto]

On Tue, Oct 9, 2018 at 7:05 AM David David  wrote:
>
> How to remove FC storage domain correctly?
> I turned off the FC storage domain in the cluster (maintenance -> detach -> 
> remove), but the volume group still remained on the hosts and I would have to 
> remove them manually and need to clear a multipath links too, before I turn 
> off the LUN on the FC storage.
> How will the cluster behave if there are differences in the volume groups on 
> the hosts?
> Because I can’t simultaneously delete partitions and multipath links on all 
> hosts, and this process will occur sequentially on each host.

Hello,

i confirm what you're doing is right. You can automate it through a
script or ansible playbook.

Luca


-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , 
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[ovirt-users] Re: clean up a fc lun to reuse it

[Luca 'remix_tj' Lorenzetto]

On Wed, Oct 3, 2018 at 12:24 PM Nathanaël Blanchet  wrote:
>
> Hi all,
>
> I tried to install the Hosted-Engine on a FC lun, and  the first time, it 
> failed at the end because of a sanlock issue.
> So I fixed it and the re-deoployed from scratch until this new issue
> [ ERROR ] Error: Fault reason is "Operation Failed". Fault detail is 
> "[Physical device initialization failed. Please check that the device is 
> empty and accessible by the host.]". HTTP response code is 400.
>
> Before, I found that the lun [2] was used:
>
> [ INFO  ] ok: [localhost]
>   The following luns have been found on the requested target:
>   [1]36006016039a142001792ac5b1b9e513a1024GiBDGC
> VRAID
>   status: free, paths: 8 active
>
>   [2]36006016039a142006755b25b7505d26b100GiBDGC
> VRAID
>   status: used, paths: 8 active
>
> So it was the good explanation for the failure.
>
> Following the admin guide, I cleaned up the lun using
>
> # dd if=/dev/zero of=/dev/mapper/36006016039a142006755b25b7505d26b bs=1M 
> count=200 oflag=direct
>
> And re-deployed it until it complains the device was not empty despite of 
> before. The script still reported that the status of the lun was "used"
>
> Finally, I rebooted the host, and that time the script considered the lun 
> status as free.
>
> So there is somewhere a bit of code into the ansible script that keeps the 
> old status of the lun before dd, until rebooting.
>

Hello,

for removing a volume i usually disable the logical volume (vgremove)
and then the physical volume (pvremove). At this point i have the
device marked as clean.

Luca

-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , 
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[ovirt-users] Re: New oVirt deployment suggestions

[Luca 'remix_tj' Lorenzetto]

You can try installing them. We're not using these tools on g9 blades, and
still monitoring through iLO.

Luca

Il 27 set 2018 2:07 PM, "Stefano Danzi"  ha scritto:

Hi!

I need to install HP SSA and HP SHM on hosts and I don't know if this is
supported on oVirt node.


Il 27/09/2018 13:46, Hesham Ahmed ha scritto:
> Unless you have a reason to use CentOS, I suggest you use oVirt node,
> it is much more optimized out of the box for oVirt
>
>
> On Thu, Sep 27, 2018 at 2:25 PM Stefano Danzi  wrote:
>> Hello!
>>
>> I'm almost ready to start with a new oVirt deplyment. I will use CentOS
>> 7, self hosting engine and glusert storage.
>> I have 3 phisical host. Each host has four NIC. My first idea is:
>>
>> - configure bond betwheen NICs
>> - configure a VLAN interface for management network (and local lan)
>> - configure a VLAN interface for gluster network
>> - configure gluster for the hosted engine
>> - start "hosted-engine --deploy" process
>>
>> is this enough? do I need a phisical dedicated NIC for management
network?
>>
>> Bye
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[ovirt-users] Re: vGPU: oVirt 4.2.6.1 + GRID K2

[Luca 'remix_tj' Lorenzetto]

If you don't post the entire log with error is quite difficult to help.

Luca

Il gio 27 set 2018, 13:11 femi adegoke  ha scritto:

> Still looking for answers!
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[ovirt-users] Re: NFS Multipathing

[Luca 'remix_tj' Lorenzetto]

Hello,

as far as i know, there's no such nfs multipathing option in oVirt. To
be honest, i don't know at all if something like this exists.

Luca
On Thu, Aug 30, 2018 at 12:16 PM Thomas Letherby  wrote:
>
> Hello all,
>
> I've been  looking around but I've not found anything definitive on whether 
> Ovirt can do NFS Multipathing, and if so how?
>
> Does anyone have any good how tos or configuration guides?
>
> Thanks,
>
> Thomas
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-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , 
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[ovirt-users] Re: [OT] transferring kvm raw mage from filesystem to lvm based

[Luca 'remix_tj' Lorenzetto]

Hello,

i migrated a vm from plain kvm to ovirt fc storage domain by creating
an empty disk of the required size and using qemu-img for converting
from the image file to the device.

Worked well.

Luca
On Fri, Jul 27, 2018 at 4:22 PM Gianluca Cecchi
 wrote:
>
> Hello,
> I have a windows 7 VM that is composed by a raw disk on filesystem on Fedora 
> 28.
> I would like to transfer this VM to another environment, always based on same 
> version of Fedora 28, but where the storage is configured in virt-manager as 
> lvm based, so similar to what happens in oVirt block based storage domains.
> I'm trying to figure how to transfer the image.
> I presume I can create a new LV and then leave some bytes for the LVM header 
> into the created LV and then make a sort of dd with offset?
> Anyone has any hint?
> Thanks in advance,
> Gianluca
>
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-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , 
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[ovirt-users] Re: cloud-init reverting static network settings to DHCP on shutdown and restart

[Luca 'remix_tj' Lorenzetto]

Hello Geoff,


On Wed, Jun 6, 2018 at 9:14 PM,   wrote:
> I think that before a shutdown / restart the cloud-init configuration is 
> attached as there is /dev/sr1 visible. On shutdown / restart the config is no 
> longer attached and there is seemingly an error related to not being able to 
> find the data source: -
>
> 2018-06-06 15:15:11,297 - handlers.py[DEBUG]: finish: 
> init-network/search-NoCloudNet: SUCCESS: no network data found from 
> DataSourceNoCloudNet
> 2018-06-06 15:15:11,298 - util.py[WARNING]: No instance datasource found! 
> Likely bad things to come!
> 2018-06-06 15:15:11,298 - util.py[DEBUG]: No instance datasource found! 
> Likely bad things to come!
> Traceback (most recent call last):
>   File "/usr/lib/python2.7/site-packages/cloudinit/cmd/main.py", line 236, in 
> main_init
> init.fetch(existing=existing)
>   File "/usr/lib/python2.7/site-packages/cloudinit/stages.py", line 343, in 
> fetch
> return self._get_data_source(existing=existing)
>   File "/usr/lib/python2.7/site-packages/cloudinit/stages.py", line 253, in 
> _get_data_source
> pkg_list, self.reporter)
>   File "/usr/lib/python2.7/site-packages/cloudinit/sources/__init__.py", line 
> 320, in find_source
> raise DataSourceNotFoundException(msg)
> DataSourceNotFoundException: Did not find any data source, searched classes: 
> (DataSourceNoCloudNet)
> 2018-06-06 15:15:11,302 - util.py[DEBUG]: Reading from 
> /sys/class/net/eth0/carrier (quiet=False)
> 2018-06-06 15:15:11,303 - util.py[DEBUG]: Read 2 bytes from 
> /sys/class/net/eth0/carrier
> 2018-06-06 15:15:11,303 - util.py[DEBUG]: Reading from 
> /sys/class/net/eth0/address (quiet=False)
> 2018-06-06 15:15:11,303 - util.py[DEBUG]: Read 18 bytes from 
> /sys/class/net/eth0/address
> 2018-06-06 15:15:11,303 - stages.py[DEBUG]: applying net config names for 
> {'version': 1, 'config': [{'subnets': [{'type': 'dhcp'}], 'type': 'physical', 
> 'name': 'eth0', 'mac_address': '00:1a:4a:16:01:05'}]}

I have the same issue since some months. Since cloud-init doesn't sees
any configuration, applies the default, which is to use dhcp.

I don't remember if it is a bug of cloud-init or a misconfiguration,
but now i solved removing cloud-init package after the first boot.

In case you want redeploying, you can keep cloud-init and disable its
work by disabling the service:

touch /etc/cloud/cloud-init.disabled

Luca

-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , 
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[ovirt-users] Re: Attaching previously owned storage domain to 4.2 Cluster

[Luca 'remix_tj' Lorenzetto]

On Wed, May 30, 2018 at 4:59 PM, John Nguyen  wrote:

> Hi Guys,
>
> I'm working through a disaster recovery of a failed cluster.  And I found
> the documentation for attaching the old storage domain as an import domain
> to a new Cluster.  Both clusters are 4.2.
>
> https://ovirt.org/develop/release-management/features/
> storage/importstoragedomain/
>
> The documentation is referencing 3.5 and I would like to know if its still
> applies to the 4.2 release.
>
> When I try to do the import I see warnings below:
>
>
>
> I know that its really hard to say this operation may not be destructive.
> But is the general work flow outlined in the 3.5 documentation still valid?
>
>
Hello John,

this is an expected message if your source cluster has been shut in a bad
manner. You can import with no problems and then import all VMS.

If you want to automate this task, i suggest you to take a look to
https://github.com/oVirt/ovirt-ansible-disaster-recovery

Luca


-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , <
lorenzetto.l...@gmail.com>
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[ovirt-users] Re: ovirt 4.2.3 console.vv provide IP addr, not FQHN for host= (spice connection)

[Luca 'remix_tj' Lorenzetto]

Hello,

On Wed, May 30, 2018 at 12:19 PM, Oliver Riesener
 wrote:
> Hi,
>
> i recently upgraded to ovirt 4.2.3-[78] and noticed that the spice client
> got and use
>
>   host=IPAddr
>
> from received console.vv file and not
>
>   host=FQHN
>
> of the virtualization host.
>
> I need the FQHN because i access ovirt-webui remote via ssh with port
> forwarding.
> I added a "127.0.0.1 FQHN" entry in /etc/hosts on client side to access
> remote ports.
>
> Please could everyone provide a < 4.2.3 console.vv file ?


For what i know, in console.vv file, vm.display.address property is
used, you can see the value with this api call:

https://engine.fqdn/ovirt-engine/api/vms


I'm using 4.2.0.2 and the file starts in this way:

[virt-viewer]
type=spice
host=kvm002.fqdn

So check with the api call and see which is the value you see there.

Luca




-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , 
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[ovirt-users] Re: Simple API call to start VM

[Luca 'remix_tj' Lorenzetto]

Hello,

you're using the wrong API address. you have to use

 https://ovirtengine.localnet:443/ovirt-engine/api/

Luca

On Wed, May 30, 2018 at 8:07 AM, Kirin van der Veer
 wrote:
> Hi oVirt users,
> I have (what I hope) is a simple problem.
> I want to make an https request to start a VM via the oVirt REST API.
> Here is the command that I think should work:
> curl --user "admin:SECRETPASSWORD" --request POST --header "Content-Type:
> application/xml" --header "Accept: application/xml" --data ''
> https://ovirtengine.localnet:443/api/vms/69c47a91-bbv1-4eda-b71d-7bddf82ee8ab/start
>
> However I get a 404 in response (see below):
> 
> 
> 404 Not Found
> 
> Not Found
> The requested URL /api/vms/60c47a91-bca1-4eda-b71d-7bddf82ee8ab/start was
> not found on this server.
> 
>
> Where have I made a mistake here?
>
>
>
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-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , 
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[ovirt-users] Re: External ceph storage

[Luca 'remix_tj' Lorenzetto]

Remember always to reply to the list, youur feedback will return back to
the devs!



Il dom 27 mag 2018, 19:01 Leo David <leoa...@gmail.com> ha scritto:

> Indeed, you right. Will setup the gws while waiting for a maybe future
> native ceph connection, which in my oppinion would bring a lot of power to
> oVirt.
>
> On Sun, May 27, 2018, 19:48 Luca 'remix_tj' Lorenzetto <
> lorenzetto.l...@gmail.com> wrote:
>
>> I think is the best option. Setting up a sma openstack setup only for it
>> is not worth the hassle.
>>
>> Luca
>>
>> Il dom 27 mag 2018, 18:44 Leo David <leoa...@gmail.com> ha scritto:
>>
>>> Ok, so since i dont have openstack installed (which would put cinder
>>> between ceph and ovirt ), the only option remains the iscsi gw...
>>> Thank you very much !
>>>
>>> On Sun, May 27, 2018, 18:14 Luca 'remix_tj' Lorenzetto <
>>> lorenzetto.l...@gmail.com> wrote:
>>>
>>>> No,
>>>>
>>>> The only way you have is to configure cinder to manage ceph pool or in
>>>> alternative you have to deploy an iscsi gateway, no other ways are
>>>> available at the moment.
>>>>
>>>> So you can't use rbd directly.
>>>>
>>>> Luca
>>>>
>>>> Il dom 27 mag 2018, 16:54 Leo David <leoa...@gmail.com> ha scritto:
>>>>
>>>>> Thank you Luca,
>>>>> At the moment i would try the cinder storage provider, since we
>>>>> already have a proxmox cluster directly connecting to ceph. The problem is
>>>>> that I just could not find a straight way to do this.
>>>>> ie: Specify the ceph monitors and ceph pool to connect to. Can oVirt
>>>>> directly connect to ceph monitors ? How the configuration should be done 
>>>>> if
>>>>> so ?
>>>>> Thank you very much !
>>>>>
>>>>>
>>>>> On Sun, May 27, 2018, 17:20 Luca 'remix_tj' Lorenzetto <
>>>>> lorenzetto.l...@gmail.com> wrote:
>>>>>
>>>>>> Hello,
>>>>>>
>>>>>> Yes, using cinder or through iscsi gateway.
>>>>>>
>>>>>> For a simpler setup i suggest the second option.
>>>>>>
>>>>>> Luca
>>>>>>
>>>>>> Il dom 27 mag 2018, 16:08 Leo David <leoa...@gmail.com> ha scritto:
>>>>>>
>>>>>>> Hello everyone,
>>>>>>> I am new to ovirt and very impressed of its features. I would like
>>>>>>> to levereage on our existing ceph cluster to provide rbd images for vm
>>>>>>> hdds, is this possible to achieve ?
>>>>>>> Thank you very much !
>>>>>>> Regards,
>>>>>>> Leo
>>>>>>> ___
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>>>>>>> To unsubscribe send an email to users-le...@ovirt.org
>>>>>>>
>>>>>>
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[ovirt-users] Re: External ceph storage

[Luca 'remix_tj' Lorenzetto]

I think is the best option. Setting up a sma openstack setup only for it is
not worth the hassle.

Luca

Il dom 27 mag 2018, 18:44 Leo David <leoa...@gmail.com> ha scritto:

> Ok, so since i dont have openstack installed (which would put cinder
> between ceph and ovirt ), the only option remains the iscsi gw...
> Thank you very much !
>
> On Sun, May 27, 2018, 18:14 Luca 'remix_tj' Lorenzetto <
> lorenzetto.l...@gmail.com> wrote:
>
>> No,
>>
>> The only way you have is to configure cinder to manage ceph pool or in
>> alternative you have to deploy an iscsi gateway, no other ways are
>> available at the moment.
>>
>> So you can't use rbd directly.
>>
>> Luca
>>
>> Il dom 27 mag 2018, 16:54 Leo David <leoa...@gmail.com> ha scritto:
>>
>>> Thank you Luca,
>>> At the moment i would try the cinder storage provider, since we already
>>> have a proxmox cluster directly connecting to ceph. The problem is that I
>>> just could not find a straight way to do this.
>>> ie: Specify the ceph monitors and ceph pool to connect to. Can oVirt
>>> directly connect to ceph monitors ? How the configuration should be done if
>>> so ?
>>> Thank you very much !
>>>
>>>
>>> On Sun, May 27, 2018, 17:20 Luca 'remix_tj' Lorenzetto <
>>> lorenzetto.l...@gmail.com> wrote:
>>>
>>>> Hello,
>>>>
>>>> Yes, using cinder or through iscsi gateway.
>>>>
>>>> For a simpler setup i suggest the second option.
>>>>
>>>> Luca
>>>>
>>>> Il dom 27 mag 2018, 16:08 Leo David <leoa...@gmail.com> ha scritto:
>>>>
>>>>> Hello everyone,
>>>>> I am new to ovirt and very impressed of its features. I would like to
>>>>> levereage on our existing ceph cluster to provide rbd images for vm hdds,
>>>>> is this possible to achieve ?
>>>>> Thank you very much !
>>>>> Regards,
>>>>> Leo
>>>>> ___
>>>>> Users mailing list -- users@ovirt.org
>>>>> To unsubscribe send an email to users-le...@ovirt.org
>>>>>
>>>>
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[ovirt-users] Re: External ceph storage

[Luca 'remix_tj' Lorenzetto]

No,

The only way you have is to configure cinder to manage ceph pool or in
alternative you have to deploy an iscsi gateway, no other ways are
available at the moment.

So you can't use rbd directly.

Luca

Il dom 27 mag 2018, 16:54 Leo David <leoa...@gmail.com> ha scritto:

> Thank you Luca,
> At the moment i would try the cinder storage provider, since we already
> have a proxmox cluster directly connecting to ceph. The problem is that I
> just could not find a straight way to do this.
> ie: Specify the ceph monitors and ceph pool to connect to. Can oVirt
> directly connect to ceph monitors ? How the configuration should be done if
> so ?
> Thank you very much !
>
>
> On Sun, May 27, 2018, 17:20 Luca 'remix_tj' Lorenzetto <
> lorenzetto.l...@gmail.com> wrote:
>
>> Hello,
>>
>> Yes, using cinder or through iscsi gateway.
>>
>> For a simpler setup i suggest the second option.
>>
>> Luca
>>
>> Il dom 27 mag 2018, 16:08 Leo David <leoa...@gmail.com> ha scritto:
>>
>>> Hello everyone,
>>> I am new to ovirt and very impressed of its features. I would like to
>>> levereage on our existing ceph cluster to provide rbd images for vm hdds,
>>> is this possible to achieve ?
>>> Thank you very much !
>>> Regards,
>>> Leo
>>> ___
>>> Users mailing list -- users@ovirt.org
>>> To unsubscribe send an email to users-le...@ovirt.org
>>>
>>
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[ovirt-users] Re: External ceph storage

[Luca 'remix_tj' Lorenzetto]

Hello,

Yes, using cinder or through iscsi gateway.

For a simpler setup i suggest the second option.

Luca

Il dom 27 mag 2018, 16:08 Leo David  ha scritto:

> Hello everyone,
> I am new to ovirt and very impressed of its features. I would like to
> levereage on our existing ceph cluster to provide rbd images for vm hdds,
> is this possible to achieve ?
> Thank you very much !
> Regards,
> Leo
> ___
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>
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[ovirt-users] Re: Private VLANs

[Luca 'remix_tj' Lorenzetto]

On Tue, May 15, 2018 at 2:45 AM, Colin Coe <colin@gmail.com> wrote:
> Hi all
>
> We running RHEV 4.1.10 on HPE Blade servers using Virtual Connect which talk
> to Cisco switches.
>
> I want to implement private VLANs, does the combination of oVirt + Cisco
> switches + HPE Virtual Connect work with private VLANs?
>
> To be clear, I want to have a couple of logical networks (i.e. VLANs) where
> the nodes in that VLAN cannot talk directly but must go through the
> router/firewall.


Hello Colin,

do you mean hosts inside the same vlan cannot talk to each other
directly? Do you want to apply some security policies directly on
single nodes (microsegmentation)? Or you want that communication
between hosts placed in these two different vlans goes through
firewall?

Luca

-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , <lorenzetto.l...@gmail.com>
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Re: [ovirt-users] oVirt and Oracle Linux support

[Luca 'remix_tj' Lorenzetto]

On Thu, May 3, 2018 at 11:47 AM, Simon Coter <simon.co...@gmail.com> wrote:
> Hi Luca,
>
> no, I mean OL as an host, compute-node managed by oVirt.
> As a guest I hadn't any kind of problem.
> Thanks

Which kind of problems? I think there should be not so much if you're
using OL 7. I've been using OL7 in the past and we integrated with no
issues in the same lifecycles tools we're using for RHEL7

Luca


-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , <lorenzetto.l...@gmail.com>
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Re: [ovirt-users] oVirt and Oracle Linux support

[Luca 'remix_tj' Lorenzetto]

On Thu, May 3, 2018 at 11:40 AM, Simon Coter <simon.co...@gmail.com> wrote:
> Hi,
>
> I'm new to this ML.
> I started to play a bit with oVirt and I saw that you actually support RH
> and CentOS.
> Is there any plan to also support Oracle Linux ?
> I had to fight so much to get everything on OL correctly running.

Hello Simon,

you mean OL as guest? I don't think there should be so much problems,
because OL is a custom version of RHEL/CentOS.

Which kind of problems did you get?

Luca

-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , <lorenzetto.l...@gmail.com>
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Re: [ovirt-users] PostgreSql in oVirt

[Luca 'remix_tj' Lorenzetto]

If you searched in the archives you'll find the explanation: postgres comes
from softwarecollections.

You need to do this:

su - postgres
scl enable rh-postgresql95 bash
psql


Luca


Il mar 17 apr 2018, 22:48 Hari Prasanth Loganathan <
hariprasant...@msystechnologies.com> ha scritto:

> Guys any help on this please !
>
>
> On Tue, 17 Apr 2018 at 11:13 PM, Hari Prasanth Loganathan <
> hariprasant...@msystechnologies.com> wrote:
>
>> Hi Team,
>>
>> 1) How to access the default postgres database running as default in the
>> ovirt engine environment ?
>>
>> 2) What are the tables used for collecting disk level statistics in
>> postgresql?
>>
>> 3) Is there any datamodel available to debug the postgresql tables?
>>
>> Thanks,
>> Harry
>>
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Re: [ovirt-users] fiber channel for hosted-engine deployment and can we import all type of vmware's VM

[Luca 'remix_tj' Lorenzetto]

On Tue, Apr 10, 2018 at 7:35 AM, Nicolas Vaye
<nicolas.v...@province-sud.nc> wrote:
> Hello,
>
>
> is it possible to deploy the engine (in hosted mode) on a fiber channel 
> storage with OVIRT or RHV ?
>
> It seem to me with RHV in 4.1 we can, but not in 4.2 beta, confirm ?
> And i don't know with OVIRT.
>

Yes sure. There's no difference between RHV and oVirt, is the same
product. I've deployed in hosted-engine on FC with all releases
without issues.

>
> The second question is for vmware import :
>
> I have imported one vm from vmware 5.5, and it works, but not for all my vms.
> It seem that it works with vm in vmtype 7, in vmtype 10 it doesn't work.
>
> Is there a limitation to import VM from Vmware in OVIRT or RHV ?
>

As far as i know no. I've several vms with vmtype 10 (RHEL 7 vms) and
i've been importing without problems from ESXi 6.0

Luca



-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

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Re: [ovirt-users] Is compatibility level change required for upgrading from 4.0 to 4.2?

[Luca 'remix_tj' Lorenzetto]

Il dom 8 apr 2018, 08:44 Arik Hadas <aha...@redhat.com> ha scritto:

>
>
> On Fri, Apr 6, 2018 at 12:28 PM, Luca 'remix_tj' Lorenzetto <
> lorenzetto.l...@gmail.com> wrote:
>
>> On Fri, Apr 6, 2018 at 11:05 AM, Michal Skrivanek
>> <michal.skriva...@redhat.com> wrote:
>> >
>> > you just need to keep the supported versions in mind. Version 4.2
>> supports
>> > Cluster levels 3.6, 4.0, 4.1(same as version 4.1) - so any of them is ok
>> >
>>
>> Perfect, thank you for the confirmation.
>>
>> To change the compatibility level of DC, i've seen that all clusters
>> require has to be upgraded.
>> Does the upgrade of the DC requires the restart of all the VMs to have
>> the cluster completely upgraded or restarting the VMs is an activity
>> indipendent from this?
>>
>
> You won't have to restart the running VMs.
> You'll see that VMs that were running at the time of the cluster upgrade
> are set with custom-compatibility-version that matches the previous
> compatibilty-level of the cluster. So obviously, VM-specific features that
> were added in 4.2 won't be applicable to those VMs until they are restarted
> (and then their custom-compatibility version is cleared so their effective
> compability-level would change to 4.2).
> But even when some VMs are set with custom-compatibility-version, the
> cluster is upgraded and so it should be possible to upgrade the DC.
>

Fantastic. Thanks for the explanation. I like to have a better knowledge of
what happens behind the scenes, because helps me to solve problems when
they appear.

Luca


>
>>
>> Luca
>>
>>
>>
>> --
>> "E' assurdo impiegare gli uomini di intelligenza eccellente per fare
>> calcoli che potrebbero essere affidati a chiunque se si usassero delle
>> macchine"
>> Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)
>>
>> "Internet è la più grande biblioteca del mondo.
>> Ma il problema è che i libri sono tutti sparsi sul pavimento"
>> John Allen Paulos, Matematico (1945-vivente)
>>
>> Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , <
>> lorenzetto.l...@gmail.com>
>> ___
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Re: [ovirt-users] Is compatibility level change required for upgrading from 4.0 to 4.2?

[Luca 'remix_tj' Lorenzetto]

On Fri, Apr 6, 2018 at 11:05 AM, Michal Skrivanek
<michal.skriva...@redhat.com> wrote:
>
> you just need to keep the supported versions in mind. Version 4.2 supports
> Cluster levels 3.6, 4.0, 4.1(same as version 4.1) - so any of them is ok
>

Perfect, thank you for the confirmation.

To change the compatibility level of DC, i've seen that all clusters
require has to be upgraded.
Does the upgrade of the DC requires the restart of all the VMs to have
the cluster completely upgraded or restarting the VMs is an activity
indipendent from this?

Luca



-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , <lorenzetto.l...@gmail.com>
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[ovirt-users] Is compatibility level change required for upgrading from 4.0 to 4.2?

[Luca 'remix_tj' Lorenzetto]

Hello,

we're planning an upgrade of an old 4.0 setup to 4.2, going through 4.1.

What we found out is that when upgrading from major to major, cluster
and datacenter compatibility upgrade has to be done at the end of the
upgrade.
This means that we also require to restart our VMs for adapting the
compatibility level.

Do we require to upgrade the compatibility level to 4.1 before
starting the upgrade to 4.2?

We have more than 400 vms and only few of them can be restarted at our
convenience.


-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , <lorenzetto.l...@gmail.com>
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Re: [ovirt-users] Memory hot plug

[Luca 'remix_tj' Lorenzetto]

Hello Eduardo,

On Wed, Mar 21, 2018 at 3:17 PM, Eduardo Mayoral <emayo...@arsys.es> wrote:
> Hi,
>
> I recently tried to hot plug some memory on a VM running CentOS 6.9 with
> ovirt-guest-tools installed.
>
> oVirt version is 4.2.1.6-1.el7.centos
>
> I was careful to increment a multiple of 256 MB as specified in
> https://www.ovirt.org/develop/release-management/features/virt/hot-plug-memory/
> (4 GB -> 6 GB , maximum memory configured for the VM was 8 GB)
>
> However the VM was marked as with a pending change for next reboot. Am I
> missing some non-default configuration requiered for memory hot-plug to
> work?


No, you're not. Now the vm is seeing the base memory (4GB) you were
seeing at boot, plus additional memory (2GB added). Next time you'll
boot the vm, the system will see a single block of 6 GB.

That's the difference.

Luca

-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , <lorenzetto.l...@gmail.com>
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Re: [ovirt-users] Network issues with oVirt 4.2 and cloud-init

[Luca 'remix_tj' Lorenzetto]

Hello Sandy,

i had the same issue and the cause was cloud-init running again at
boot even if Run-Once hasn't been selected as boot option. The way i'm
using to solve the problem is to remove cloud-init after the first
run, since we don't need it anymore.

In case also disabling is enoug:

touch /etc/cloud/cloud-init.disabled

Luca

On Mon, Mar 19, 2018 at 2:17 PM, Berger, Sandy <sber...@qg.com> wrote:
> We’re using cloud-init to customize VMs built from a template. We’re using
> static IPV4 settings so we’re specifying an IP address, subnet mask, and
> gateway. There is apparently a bug in the current version of cloud-init
> shipping as part of CentOS 7.4
> (https://bugzilla.redhat.com/show_bug.cgi?id=1492726) that fails to set the
> gateway properly. In the description of the bug, it says it is fixed in RHEL
> 7.5 but also says one can use
> https://people.redhat.com/rmccabe/cloud-init/cloud-init-0.7.9-20.el7.x86_64.rpm
> which is what we’re doing.
>
>
>
> When the new VM first boots, the 3 IPv4 settings are all set correctly.
> Reboots of the VM maintain the settings properly. But, if the VM is shut
> down and started again via the oVirt GUI, all of the IPV4 settings on the
> eth0 virtual NIC are lost and the /etc/sysconfig/network-scripts/ifcfg-eth0
> shows that the NIC is now set up for DHCP.
>
>
>
> Are we doing something incorrectly?
>
>
>
> Sandy Berger
>
> IT – Infrastructure Engineer II
>
>
>
> Quad/Graphics
>
> Performance through Innovation
>
>
>
> Sussex, Wisconsin
>
> 414.566.2123 phone
>
> 414.566.4010/2123 pager/PIN
>
>
>
> sandy.ber...@qg.com
>
> www.QG.com
>
>
>
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-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , <lorenzetto.l...@gmail.com>
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Re: [ovirt-users] Auto-restart VM from Linux Shell

[Luca 'remix_tj' Lorenzetto]

Hello Andrei,

i'll do simply in this way with ansible:

- name: Start oVirt VMs
  hosts: localhost
  connection: local
  gather_facts: False

  tasks:

- name: Obtain SSO token
  ovirt_auth:
  url: https://engine/ovirt-engine/api
  username: admin@internal
  password: password
  insecure: True
  ignore_errors: False

- name: Stop VM
  ovirt_vms:
  state: stopped
  name: "server1"
  auth: "{{ ovirt_auth }}"

- name: Start VM
  ovirt_vms:
  state: running
  name: "server1"
  auth: "{{ ovirt_auth }}"


- always:
  - name: Revoke the SSO token
ovirt_auth:
   state: absent
   ovirt_auth: "{{ ovirt_auth }}"

On Mon, Mar 12, 2018 at 11:04 AM,  <andre...@starlett.lv> wrote:
> You meant this:
> https://github.com/machacekondra/ovirt-ansible-example/wiki
> https://github.com/machacekondra/ovirt-ansible-example
>
> Seems like overkill for so simple task. If bash scripts works, its OK for now.
>
>
>> On 12 Mar 2018, at 11:31, Yedidyah Bar David <d...@redhat.com> wrote:
>>
>> On Mon, Mar 12, 2018 at 1:45 AM, Andrei Verovski <andre...@starlett.lv> 
>> wrote:
>>> Hi !
>>>
>>> I have stubborn VM which time to time freezes, and watchdog for whatever
>>> reason don't restart it.
>>>
>>> Basically I would like to combine these 3 command into one script.
>>>
>>> ovirt-shell -l https://node00.mydomain.com.lv/ovirt-engine/api
>>> --ca-file="/etc/pki/ovirt-engine/ca.pem" -u "admin@internal" --password
>>> "secret"
>>>
>>> action vm MyVM stop
>>> action vm MyVM start
>>>
>>> Now I have problems.
>>> 1) Option --password "secret" is not recognized anymore in oVirt Shell 4.2.
>>> 2) What is the proper syntax to connect & run certain command in oVirt
>>> Shell 4.2? Something like:
>>>
>>> ovirt-shell -l https://node00.mydomain.com.lv/ovirt-engine/api
>>> --ca-file="/etc/pki/ovirt-engine/ca.pem" -u "admin@internal" --password
>>> "secret" && action vm MyVM stop
>>
>> ovirt-shell is considered deprecated. Did you consider using ansible?
>>
>> Best regards,
>> --
>> Didi
>
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-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , <lorenzetto.l...@gmail.com>
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Re: [ovirt-users] Fibre Channel Protocol (FCP)

[Luca 'remix_tj' Lorenzetto]

On Thu, Mar 8, 2018 at 12:34 PM, maoz zadok <mao...@gmail.com> wrote:
> Luca many thanks! that was fast and good! one last thing, how do I migrate
> to the new data domain? I use oVirt version 4.2.0
> Thanks again!
>

Hello,

you select the vm disks you want to move and with the right click you
select the menù entry "Move". You'll get a windows asking for the
destination storage domain.

Once set the values, you confirm and disk will be moved.

https://www.ovirt.org/documentation/admin-guide/chap-Virtual_Machine_Disks/#moving-a-virtual-disk

Luca


-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , <lorenzetto.l...@gmail.com>
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Re: [ovirt-users] Fibre Channel Protocol (FCP)

[Luca 'remix_tj' Lorenzetto]

Hello Maoz,

i'm serving more than 300 vms in fc setup (and growing).

On Thu, Mar 8, 2018 at 12:16 PM, maoz zadok <mao...@gmail.com> wrote:
> Hello All,
> I connected existing data center with NFS storage domain to a new
> Fiber-Channel storage domain according to the following guide, and I have
> three questions.
> https://www.ovirt.org/documentation/install-guide/chap-Configuring_Storage/
>
> 1. why does the storage domain asks me to "Use Host"?

Because there are some operations (lvm initialization & so on) to be
done while setting up the volumes on FC storage. These operations will
be performed by the given host

>
> does it mean that if this host is down there is no access to the FC storage
> or the next available host elected to manage the FC storage?

No, storage is mapped by all the hosts and accessed directly

> does it mean that all the traffic to my storage is routed via the selected
> host?

Absolutely no!

> what is the best practice, do I need to split the workload to other hosts as
> well by letting each host manage one small LUN instead of letting one host
> manage all LUNs or one big LUN?

I supposte that your question is related to the way that FC is
managed. Since every host sees all the drives, there question is no
more appropriate.


>
> 2. is it possible to set the newly created fiber-channel storage(data
> domain) as master?

IIRC if you set to maintenance the existing master, another one will
be selected.

>
> 3. can I easily migrate all VM disks to the FC storage instead of the NFS?
>

Sure, nfs storage domain or fc storage domain doesn't make difference
in terms of interaction. You can move disks from one to the other
without issues.

Luca

-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , <lorenzetto.l...@gmail.com>
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Re: [ovirt-users] oVirt API (4.0 and 4.1) not reporting vms running on a given storage domain

[Luca 'remix_tj' Lorenzetto]

Got it. I'm changing my code accordingly.

Many thanks

Luca

Il 2 mar 2018 5:59 PM, "Ondra Machacek" <omach...@redhat.com> ha scritto:

> On 03/02/2018 05:24 PM, Luca 'remix_tj' Lorenzetto wrote:
>
>> On Fri, Mar 2, 2018 at 3:21 PM, Ondra Machacek <omach...@redhat.com>
>> wrote:
>>
>>> Hi,
>>>
>>> As per documentation:
>>>
>>> http://ovirt.github.io/ovirt-engine-api-model/4.1/#services/
>>> storage_domain_vms
>>>
>>> That resource is used to list VMs on export storage domain, not on data
>>> domain.
>>>
>>> If you want to find VMs using specific storage you may use following
>>> query:
>>>
>>>/ovirt-engine/api/vms?search=storage.name=nameofthestorage
>>>
>>
>> Hi Ondra,
>>
>> thanks. So what's the purpose of the ovirt_storage_vms_facts, only
>> working with export domains (which has been deprecated?)
>>
>
> Mainly listing the unregistered VMs, so it works as export domain.
>
>
>> Luca
>>
>>
>>
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Re: [ovirt-users] oVirt API (4.0 and 4.1) not reporting vms running on a given storage domain

[Luca 'remix_tj' Lorenzetto]

On Fri, Mar 2, 2018 at 3:21 PM, Ondra Machacek <omach...@redhat.com> wrote:
> Hi,
>
> As per documentation:
>
> http://ovirt.github.io/ovirt-engine-api-model/4.1/#services/storage_domain_vms
>
> That resource is used to list VMs on export storage domain, not on data
> domain.
>
> If you want to find VMs using specific storage you may use following query:
>
>   /ovirt-engine/api/vms?search=storage.name=nameofthestorage

Hi Ondra,

thanks. So what's the purpose of the ovirt_storage_vms_facts, only
working with export domains (which has been deprecated?)

Luca


-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , <lorenzetto.l...@gmail.com>
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[ovirt-users] oVirt API (4.0 and 4.1) not reporting vms running on a given storage domain

[Luca 'remix_tj' Lorenzetto]

Hello,

i need to extract the list of the vms running on a given storage domain.
Copying some code from ansible's ovirt_storage_vms_facts simplified my
work but i stopped with a strange behavior: no vm is listed.

I thought it was an issue with my code, but looking more in detail at
api's i tried opening:

ovirt-engine/api/storagedomains/52b661fe-609e-48f9-beab-f90165b868c4/vms

And what i get is



And this for all the storage domains available.

Is there something wrong with the versions i'm running? Do i require
some options in the query?

I'm running RHV, so i can't upgrade to 4.2 yet

Luca

-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , <lorenzetto.l...@gmail.com>
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Re: [ovirt-users] info about vdsClient and vdsm-client

[Luca 'remix_tj' Lorenzetto]

On Wed, Feb 21, 2018 at 11:45 AM, Gianluca Cecchi
<gianluca.cec...@gmail.com> wrote:
> Hello,
> on my cluster that has an history from 4.0.6 to 4.1.9 I find vdsClient
> installed.
> I don't remember if I manually installed it or if it was part of a
> default/standard install.
>
> Now that it is deprecated:
> https://www.ovirt.org/develop/developer-guide/vdsm/vdsclient/
>
> I notice I have not the vdsm-client package installed.
> Does it make sense to automatically pull it in for upgrades?
> Thanks,
> Gianluca

Hello Gianluca,

[root@kvm01 ~]# vds
vdsClientvdsm-client  vdsm-tool

That's what i find in a default setup.


-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , <lorenzetto.l...@gmail.com>
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Re: [ovirt-users] cloud-init issue /IP address lost

[Luca 'remix_tj' Lorenzetto]

Hello Amir,

I had the same issue. I've set as raw command in cloud init scripts the
disable of autostart of cloud-init service at boot, so this doesn't bother
anymore.

Luca

Il 21 feb 2018 8:48 AM, "Shamam Amir"  ha scritto:

> Hi All,
> I am using a centos template which I had imported from
> ovirt-image-repository. Whenever I make a VM from this template and
> configure its initial run section and run it for the first time, everything
> goes well.  As long as I reboot the server, the VM lost its network
> configuration (IP, gateway, dns) Then I have to put these parameters again
> manually. In addition, when I shut down the VM and change its name, the
> same problem happens again.  This actually causes me pretty much long
> downtime in order to configure the parameters again.
> Your help is highly appreciated.
>
>
> Best Regards
>
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Re: [ovirt-users] Q: Upgrade 4.2 -> 4.2.1 Dependency Problem

[Luca 'remix_tj' Lorenzetto]

On Wed, Feb 14, 2018 at 4:26 PM, Andrei V <andre...@starlett.lv> wrote:
> Hi !
>
> I run into unexpected problem upgrading oVirt node (installed manually on 
> CentOS):
> This problem have to be fixed manually otherwise upgrade command from host 
> engine also fail.
>
> -> glusterfs-rdma = 3.12.5-2.el7
> was installed manually as a dependency resolution for 
> ovirt-host-4.2.1-1.el7.centos.x86_64
>
> Q: How to get around this problem? Thanks in advance.
>
>
> Error: Package: ovirt-host-4.2.1-1.el7.centos.x86_64 (ovirt-4.2)
>Requires: glusterfs-rdma
>Removing: glusterfs-rdma-3.12.5-2.el7.x86_64 
> (@ovirt-4.2-centos-gluster312)
>glusterfs-rdma = 3.12.5-2.el7
>Obsoleted By: 
> mlnx-ofa_kernel-3.4-OFED.3.4.2.1.5.1.ged26eb5.1.rhel7u3.x86_64 (HP-spp)
>Not found
[cut]

Try with yum clean all and then upgrade. And disable HP-spp if you
don't them need now.


Luca
-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , <lorenzetto.l...@gmail.com>
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Re: [ovirt-users] Slow conversion from VMware in 4.1

[Luca 'remix_tj' Lorenzetto]

On Tue, Feb 6, 2018 at 11:19 AM, Richard W.M. Jones <rjo...@redhat.com> wrote:
> On Tue, Feb 06, 2018 at 11:11:37AM +0100, Luca 'remix_tj' Lorenzetto wrote:
>> Il 6 feb 2018 10:52 AM, "Yaniv Kaul" <yk...@redhat.com> ha scritto:
>>
>>
>> I assume its network interfaces are also a bottleneck as well. Certainly if
>> they are 1g.
>> Y.
>>
>>
>> That's not the case, vcenter uses 10g and also all the involved hosts.
>>
>> We first supposed the culprit was network, but investigations has cleared
>> its position. Network usage is under 40% with 4 ongoing migrations.
>
> The problem is two-fold and is common to all vCenter transformations:
>
> (1) A single https connection is used and each block of data that is
> requested is processed serially.
>
> (2) vCenter has to forward each request to the ESXi hypervisor.
>
> (1) + (2) => most time is spent waiting on the lengthy round trips for
> each requested block of data.
>
> This is why overlapping multiple parallel conversions works and
> (although each conversion is just as slow) improves throughput,
> because you're filling in the long idle gaps by serving other
> conversions.
>
[cut]

FYI it was a cpu utilization issue. Now that vcenter has a lower
average cpu usage, migration times halved and returned back to the
original estimations.

Thank Richard for the infos about virt-v2v, we improved our knowledge
on this tool :-)

Luca

-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , <lorenzetto.l...@gmail.com>
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Re: [ovirt-users] Live migration of VM(0 downtime) while Hypervisor goes down in ovirt

[Luca 'remix_tj' Lorenzetto]

What you're looking at is called fault tolerance in other hypervisors.

As far as i know, ovirt doesn't implement such solution.

But if your system doesn't support failure recovery done by high
availability options, you should take in account to revise your application
architecture if you want to keep running on ovirt.

Luca

Il 10 feb 2018 8:31 AM, "Ranjith P"  ha scritto:

Hi,

>>Who's shutting down the hypervisor? (Or perhaps it is shutdown
externally, due to overheating or otherwise?)

We need a continuous availability of VM's in our production setup. If the
hypervisor goes down due to any hardware failure or work load then VM's
above hypervisor will reboot and started on available hypervisors. This is
normally happening but it disrupting VM's. Can you suggest a solution in
this case? Can we achieve this challenge using glusterfs?

Thanks & Regards
Ranjith

Sent from Yahoo Mail on Android


On Sat, Feb 10, 2018 at 2:07 AM, Yaniv Kaul
 wrote:


On Fri, Feb 9, 2018 at 9:25 PM, ranjithsp...@yahoo.com <
ranjithsp...@yahoo.com> wrote:

Hi,
Anyone can suggest how to setup VM Live migration (without restart vm)
while Hypervisor goes down in ovirt?


I think there are two parts to achieving this:
1. Have a script that migrates VMs off a specific host. This should be easy
to write using the Python/Ruby/Java SDK, Ansible or using REST directly.
2. Having this script run as a service when a host shuts down, in the right
order - well before libvirt and VDSM shut down, and would be fast enough
not to be terminated by systemd.
This is a bit more challenging.

Who's shutting down the hypervisor? (Or perhaps it is shutdown externally,
due to overheating or otherwise?)
Y.


Using glusterfs is it possible? Then how?

Thanks & Regards
Ranjith

Sent from Yahoo Mail on Android


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Re: [ovirt-users] Ovirt 3.6 to 4.2 upgrade

[Luca 'remix_tj' Lorenzetto]

Hello Gary,

as far as i know upgrade path isn't direct and you have to migrate
first to 4.0, then 4.1 and finally 4.2.

You can migrate vms from 3.6 to 4.0 IIRC. But don't know if mixing 4.2
and 3.6 it's possible.

Luca

On Fri, Feb 9, 2018 at 3:06 PM, Gary Lloyd <g.ll...@keele.ac.uk> wrote:
> Hi
>
> Is it possible/supported to upgrade from Ovirt 3.6 straight to Ovirt 4.2 ?
> Does live migration still function between the older vdsm nodes and vdsm
> nodes with software built against Ovirt 4.2 ?
>
> We changed a couple of the vdsm python files to enable iscsi multipath on
> direct luns.
> (It's a fairly simple change to a couple of the python files).
>
> We've been running it this way since 2012 (Ovirt 3.2).
>
> Many Thanks
>
> Gary Lloyd
> 
> I.T. Systems:Keele University
> Finance & IT Directorate
> Keele:Staffs:IC1 Building:ST5 5NB:UK
> +44 1782 733063
> 
>
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-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , <lorenzetto.l...@gmail.com>
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Re: [ovirt-users] Info about exporting from vSphere

[Luca 'remix_tj' Lorenzetto]

On Fri, Feb 9, 2018 at 11:46 AM, Gianluca Cecchi
<gianluca.cec...@gmail.com> wrote:
>>
>> When using that function you'll point to a specific host connected to
>> the given vcenter, in the given datacenter, inside a given cluster.
>> Import function will contact vcenter and ask for all vms in shutdown
>> status on that host, then allows you to continue with the wizard.
>
>
> Which "function" are you referring to?

VMware import source.


On Fri, Feb 9, 2018 at 11:51 AM, Gianluca Cecchi
<gianluca.cec...@gmail.com> wrote:
[cut]
>
> Sorry again for the rumor
>


No problem.

If you need i can provide you some python-sdk code. I've build an
entire migration tool that interacts with VMware and oVirt to
orchestrate the migration of vms.

Once completed the migration and some cleanup, we'll release it. At
the moment is just a bunch home made libraries connected each other
through a main function that's called through python-rq.

Luca

-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , <lorenzetto.l...@gmail.com>
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Re: [ovirt-users] Info about exporting from vSphere

[Luca 'remix_tj' Lorenzetto]

On Thu, Feb 8, 2018 at 4:34 PM, Gianluca Cecchi
<gianluca.cec...@gmail.com> wrote:
>
> Thanks Luca.
> I asked because I see this inside the gui.
> https://drive.google.com/file/d/12vI9RUq9t4J--jlkqSxvG2jqylGfD2sP/view?usp=sharing
>
> Probably you do it via api and you don't need to provide ESXi credentials?
> Did you try also from web admin gui leaving empty the fields related to
> ESXi?
>

If you're not used to libvirt connection to vmware, all that fields
could scare. Anyway you need to fill out all the values, because are
needed to locate the vm you want to migrate.
When using that function you'll point to a specific host connected to
the given vcenter, in the given datacenter, inside a given cluster.
Import function will contact vcenter and ask for all vms in shutdown
status on that host, then allows you to continue with the wizard.

Luca



-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , <lorenzetto.l...@gmail.com>
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Re: [ovirt-users] oVirt DR: ansible with 4.1, only a subset of storage domain replicated

[Luca 'remix_tj' Lorenzetto]

On Tue, Feb 6, 2018 at 9:33 PM, Maor Lipchuk <mlipc...@redhat.com> wrote:
[cut]
>> What i need is that informations about vms is replicated to the remote
>> site with disk.
>> In an older test i had the issue that disks were replicated to remote
>> site, but vm configuration not!
>> I've found disks in the "Disk"  tab of storage domain, but nothing on VM
>> Import.
>
>
>
> Can you reproduce it and attach the logs of the setup before the disaster
> and after the recovery?
> That could happen in case of new created VMs and Templates which were not
> yet updated in the OVF_STORE disk, since the OVF_STORE update process was
> not running yet before the disaster.
> Since the time of a disaster can't be anticipated, gaps like this might
> happen.
>

I haven't tried the recovery yet using ansible. It was an experiment
of possible procedure to be performed manually and was on 4.0.
I asked about this unexpected behavior and Yaniv returned me that was
due to OVF_STORE not updated and that in 4.1 there is an api call that
updates OVF_STORE on demand.

I'm creating a new setup today and i'll test again and check if i
still hit the issue. Anyway if the problem persist i think that
engine, for DR purposes, should upgrade the OVF_STORE as soon as
possible when a new vm is created or has disks added.

[cut]
>>
>> Ok, but if i keep master storage domain on a non replicate volume, do
>> i require this function?
>
>
> Basically it should also fail on VM/Template registration in oVirt 4.1 since
> there are also other functionalities like mapping of OVF attributes which
> was added on VM/Templates registeration.
>

What do you mean? That i could fail to import any VM/Template? In what case?


Another question:

we have 2 DCs in main site, do we require to have also 2 DCs in
recovery site o we can import all the storage domains in a single DC
on recovery site? There could be uuid collisions or similar?

Thank you so much for your replies,

Luca
-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , <lorenzetto.l...@gmail.com>
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Re: [ovirt-users] Slow conversion from VMware in 4.1

[Luca 'remix_tj' Lorenzetto]

Il 6 feb 2018 10:52 AM, "Yaniv Kaul"  ha scritto:


I assume its network interfaces are also a bottleneck as well. Certainly if
they are 1g.
Y.


That's not the case, vcenter uses 10g and also all the involved hosts.

We first supposed the culprit was network, but investigations has cleared
its position. Network usage is under 40% with 4 ongoing migrations.

Luca
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Re: [ovirt-users] oVirt DR: ansible with 4.1, only a subset of storage domain replicated

[Luca 'remix_tj' Lorenzetto]

On Mon, Feb 5, 2018 at 7:20 PM, Maor Lipchuk <mlipc...@redhat.com> wrote:
> Hi Luca,
>
> Thank you for your interst in the Disaster Recovery ansible solution, it is
> great to see users get familiar with it.
> Please see my comments inline
>
> Regards,
> Maor
>
> On Mon, Feb 5, 2018 at 7:54 PM, Yaniv Kaul <yk...@redhat.com> wrote:
>>
>>
>>
>> On Feb 5, 2018 5:00 PM, "Luca 'remix_tj' Lorenzetto"
>> <lorenzetto.l...@gmail.com> wrote:
>>
>> Hello,
>>
>> i'm starting the implementation of our disaster recovery site with RHV
>> 4.1.latest for our production environment.
>>
>> Our production setup is very easy, with self hosted engine on dc
>> KVMPDCA, and virtual machines both in KVMPDCA and KVMPD dcs. All our
>> setup has an FC storage backend, which is EMC VPLEX/VMAX in KVMPDCA
>> and EMC VNX8000. Both storage arrays supports replication via their
>> own replication protocols (SRDF, MirrorView), so we'd like to delegate
>> to them the replication of data to the remote site, which is located
>> on another remote datacenter.
>>
>> In KVMPD DC we have some storage domains that contains non critical
>> VMs, which we don't want to replicate to remote site (in case of
>> failure they have a low priority and will be restored from a backup).
>> In our setup we won't replicate them, so will be not available for
>> attachment on remote site. Can be this be an issue? Do we require to
>> replicate everything?
>
>
> No, it is not required to replicate everything.
> If there are no disks on those storage domains that attached to your
> critical VMs/Templates you don't have to use them as part of yout mapping
> var file
>

Excellent.

>>
>> What about master domain? Do i require that the master storage domain
>> stays on a replicated volume or can be any of the available ones?
>
>
>
> You can choose which storage domains you want to recover.
> Basically, if a storage domain is indicated as "master" in the mapping var
> file then it should be attached first to the Data Center.
> If your secondary setup already contains a master storage domain which you
> dont care to replicate and recover, then you can configure your mapping var
> file to only attach regular storage domains, simply indicate
> "dr_master_domain: False" in the dr_import_storages for all the storage
> domains. (You can contact me on IRC if you need some guidance with it)
>

Good,

that's my case. I don't need a new master domain on remote side,
because is an already up and running setup where i want to attach
replicated storage and run the critical VMs.



>>
>>
>> I've seen that since 4.1 there's an API for updating OVF_STORE disks.
>> Do we require to invoke it with a frequency that is the compatible
>> with the replication frequency on storage side.
>
>
>
> No, you don't have to use the update OVF_STORE disk for replication.
> The OVF_STORE disk is being updated every 60 minutes (The default
> configuration value),
>

What i need is that informations about vms is replicated to the remote
site with disk.
In an older test i had the issue that disks were replicated to remote
site, but vm configuration not!
I've found disks in the "Disk"  tab of storage domain, but nothing on VM Import.

>>
>> We set at the moment
>> RPO to 1hr (even if planned RPO requires 2hrs). Does OVF_STORE gets
>> updated with the required frequency?
>
>
>
> OVF_STORE disk is being updated every 60 minutes but keep in mind that the
> OVF_STORE is being updated internally in the engine so it might not be
> synced with the RPO which you configured.
> If I understood correctly, then you are right by indicating that the data of
> the storage domain will be synced at approximatly 2 hours = RPO of 1hr +
> OVF_STORE update of 1hr
>

We require that we can recover vms with a status that is up to 2 hours
ago. In worst case, from what you say, i think we'll be able to.

[cut]
>
> Indeed,
> We also introduced several functionalities like detach of master storage
> domain , and attach of "dirty" master storage domain which are depndant on
> the failover process, so unfortunatly to support a full recovery process you
> will need oVirt 4.2 env.
>

Ok, but if i keep master storage domain on a non replicate volume, do
i require this function?

I have to admit that i require, for subscription and support
requirements, to use RHV over oVirt. I've seen 4.2 is coming also from
that side, and we'll upgrade for sure when available.


[cut]
>
>
> Please feel free to share your comments and questions, I would very
> appreciate to know your user expirience

Re: [ovirt-users] Slow conversion from VMware in 4.1

[Luca 'remix_tj' Lorenzetto]

On Mon, Feb 5, 2018 at 11:13 PM, Richard W.M. Jones <rjo...@redhat.com> wrote:
> http://libguestfs.org/virt-v2v.1.html#vmware-vcenter-resources
>
> You should be able to run multiple conversions in parallel
> to improve throughput.
>
> The only long-term solution is to use a different method such as VMX
> over SSH.  vCenter is just fundamentally bad.

4 conversions in parallel works, but each one is very slow. But i
think i've to blame vcenter cpu which is stuck at 100%.

Thank you for the directions and suggestions,

Luca

-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , <lorenzetto.l...@gmail.com>
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Re: [ovirt-users] Slow conversion from VMware in 4.1

[Luca 'remix_tj' Lorenzetto]

On Fri, Feb 2, 2018 at 12:52 PM, Richard W.M. Jones <rjo...@redhat.com> wrote:
> There is a section about this in the virt-v2v man page.  I'm on
> a train at the moment but you should be able to find it.  Try to
> run many conversions, at least 4 or 8 would be good places to start.

Hello Richard,

read the man but found nothing explicit about resource usage. Anyway,
digging on our setup i found out that vcenter when on low cpu usage is
95%.
I think our windows admins should take care of this.

Luca

-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , <lorenzetto.l...@gmail.com>
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Re: [ovirt-users] oVirt DR: ansible with 4.1, only a subset of storage domain replicated

[Luca 'remix_tj' Lorenzetto]

Hello,

i'm starting the implementation of our disaster recovery site with RHV
4.1.latest for our production environment.

Our production setup is very easy, with self hosted engine on dc
KVMPDCA, and virtual machines both in KVMPDCA and KVMPD dcs. All our
setup has an FC storage backend, which is EMC VPLEX/VMAX in KVMPDCA
and EMC VNX8000. Both storage arrays supports replication via their
own replication protocols (SRDF, MirrorView), so we'd like to delegate
to them the replication of data to the remote site, which is located
on another remote datacenter.

In KVMPD DC we have some storage domains that contains non critical
VMs, which we don't want to replicate to remote site (in case of
failure they have a low priority and will be restored from a backup).
In our setup we won't replicate them, so will be not available for
attachment on remote site. Can be this be an issue? Do we require to
replicate everything?
What about master domain? Do i require that the master storage domain
stays on a replicated volume or can be any of the available ones?

I've seen that since 4.1 there's an API for updating OVF_STORE disks.
Do we require to invoke it with a frequency that is the compatible
with the replication frequency on storage side. We set at the moment
RPO to 1hr (even if planned RPO requires 2hrs). Does OVF_STORE gets
updated with the required frequency?

I've seen a recent presentation by Maor Lipchuk that is showing the
"automagic" ansible role for disaster recovery:

https://www.slideshare.net/maorlipchuk/ovirt-dr-site-tosite-using-ansible

It's also related with some youtube presentations demonstrating a real
DR plan execution.

But what i've seen is that Maor is explicitly talking about 4.2
release. Does that role works only with >4.2 releases or can be used
also on earlier (4.1) versions?

I've tested a manual flow of replication + recovery through Import SD
followed by Import VM and worked like a charm. Using a prebuilt
ansible role will reduce my effort on creating a new automation for
doing this.

Anyone has experiences like mine?

Thank you for the help you may provide, i'd like to contribute back to
you with all my findings and with an usable tool (also integrated with
storage arrays if possible).

Luca

(Sorry for duplicate email, ctrl-enter happened before mail completion)


-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , <lorenzetto.l...@gmail.com>
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[ovirt-users] oVirt DR: ansible with 4.1, only a subset of storage domain replicated

[Luca 'remix_tj' Lorenzetto]

Hello,

i'm starting the implementation of our disaster recovery site with RHV
4.1.latest for our production environment.

Our production setup is very easy, with self hosted engine on dc
KVMPDCA, and virtual machines both in KVMPDCA and KVMPD dcs. All our
setup has an FC storage backend, which is EMC VPLEX/VMAX in KVMPDCA
and EMC VNX8000. Both storage arrays supports replication via their
own replication protocols (SRDF, MirrorView), so we'd like to delegate
to them the replication of data to the remote site, which is located
on another remote datacenter.

In KVMPD DC we have some storage domains that contains non critical
VMs, which we don't want to replicate to remote site (in case of
failure they have a low priority and will be restored from a backup).
In our setup we won't replicate them, so will be not available for
attachment on remote site. Can be this be an issue? Do we require to
replicate everything?
What about master domain? Do i require that the master storage domain
stays on a replicated volume or can be any of the available ones?

I've seen that since 4.1 there's an API for updating OVF_STORE disks.
Do we require to invoke it with a frequency that is the compatible
with the replication frequency on storage side. We set at the moment
RPO to 1hr (even if planned RPO requires 2hrs). Does OVF_STORE gets
updated with the required frequency?

I've seen a recent presentation by Maor Lipchuk that is showing the
automagic ansible role for disaster recovery:

-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , <lorenzetto.l...@gmail.com>
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Re: [ovirt-users] Slow conversion from VMware in 4.1

[Luca 'remix_tj' Lorenzetto]

Hello Richard,

unfortunately upgrading virt-v2v is not an option. Would be nice, but
integration with vdsm is not yet ready for that options.

On Thu, Jan 25, 2018 at 11:06 AM, Richard W.M. Jones <rjo...@redhat.com> wrote:
[cut]
> I don't know why it slowed down, but I'm pretty sure it's got nothing
> to do with the version of oVirt/RHV.  Especially in the initial phase
> where it's virt-v2v reading the guest from vCenter.  Something must
> have changed or be different in the test and production environments.
>

> Are you converting the same guests?  virt-v2v is data-driven, so
> different guests require different operations, and those can take
> different amount of time to run.
>

I'm not migrating the same guests, i'm migrating different guest, but
most of them share the same os baseline.
Most of these vms are from the same RHEL 7 template and have little
data difference (few gigs).

Do you know which is the performance impact on vcenter? I'd like to
tune as best as possible the vcenter to improve the migration time.

We have to migrate ~300 guests, and our maintenance window is very
short. We don't want continue the migration for months.

Luca

-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , <lorenzetto.l...@gmail.com>
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Re: [ovirt-users] Power management - oVirt 4,2

[Luca 'remix_tj' Lorenzetto]

Hi,

>From ilo3 and up, ilo fencing agents are an alias for fence_ipmi. Try using
the standard ipmi.

Luca



Il 31 gen 2018 11:14 PM, "Terry hey"  ha scritto:

> Dear all,
> Did oVirt 4.2 Power management support iLO5 as i could not see iLO5 option
> in Power Management.
>
> Regards
> Terry
>
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Re: [ovirt-users] cloud-init not setting gateway

[Luca 'remix_tj' Lorenzetto]

On Wed, Jan 31, 2018 at 7:35 AM, Maton, Brett <mat...@ltresources.co.uk> wrote:
> Are there any known issues with cloud-init not setting the network gateway ?
>
> I'm trying to create a host with the ansible roles, all is Ok apart from
> network settings.
>
> Ansible code:
>
[cut]
>
> I've also tried using the web-ui, again most 'things' get set but not the
> gateway which is a killer as I can only access the VM with remote console
> until I set the gateway.

Hello Brett,

we have the same issue with RHEL 7.4.

Our workaround is writing /etc/sysconfig/network file with the variable GATEWAY=
so we have the variable set at next network activation.

Luca

-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , <lorenzetto.l...@gmail.com>
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Re: [ovirt-users] bonding mode-alb

[Luca 'remix_tj' Lorenzetto]

Hi Demeter,

i don't know how the switch setup is done here, but as far as i know
they aren't stacked through interconnect.

Luca

On Fri, Jan 26, 2018 at 1:44 PM, Demeter Tibor <tdeme...@itsmart.hu> wrote:
> Dear Luca,
>
> Sorry for the very late reply..
>
> I want to try out now your mentions.
> Should I make an interconnect the two switches in active/backup mode?
> Thanks!
>
> Tibor
>
> - 2017. dec.. 12., 19:35, Luca 'remix_tj' Lorenzetto
> <lorenzetto.l...@gmail.com> írta:
>
> Hi,
>
> If you're looking at a simple ha bonding setup, why not using active-backup
> (mode 1)?
>
> We're using it in almost all our setups and switches toin backup interface
> in 100ms when a link down is detected (Setting miimon=100).
>
> Doesn't aggregate bandwidth but is a very good solution for high
> availability whwn you can't configure lacp or a portchannel on switch side.
>
> Luca
>
>
> Il 12 dic 2017 7:06 PM, "Demeter Tibor" <tdeme...@itsmart.hu> ha scritto:
>>
>> Hi,
>>
>> Thanks for the answers.
>>
>> In this case the only question is: what is better for me? Mode 5 or 6?
>> In which modes how is fast the switching?
>>
>> Until now I've use 802.3ad lacp on our old cluster. I did some tests and
>> it was very fast. I know it is not same, but mode 5 or 6 how is safe?
>> Thanks
>>
>> Regards,
>>
>> Tibor
>>
>>
>>
>> - 2017. dec.. 11., 13:24, Simone Tiraboschi <stira...@redhat.com>
>> írta:
>>
>>
>>
>> On Mon, Dec 11, 2017 at 12:53 PM, Demeter Tibor <tdeme...@itsmart.hu>
>> wrote:
>>>
>>> Hi,
>>>
>>> Could help anyone for me in this question?
>>>
>>> Thanks.
>>>
>>> R.
>>>
>>> Tibor
>>>
>>>
>>>
>>> - 2017. dec.. 6., 14:07, Demeter Tibor <tdeme...@itsmart.hu> írta:
>>>
>>> Dear members,
>>>
>>> I would like to use two switch to make high-availability network
>>> connection for my nfs storage.
>>> Unfortunately, these switches does not support 802.3.ad lacp, (really I
>>> can't stack them)  but I've read about mode-alb and mode-tlb bonding modes.
>>> I know,these modes are available in ovirt, but how is work that? Also how
>>> is safe? Are there for HA or for load balance?
>>>
>>> I've read some forums, where does not recommended these modes to use in
>>> ovirt. What is the truths?
>>> I would like to use only for storage-traffic, it will be separated from
>>> other network traffic. I have two 10Gbe switches and two 10Gbe ports in my
>>> nodes.
>>>
>>
>> Look here:
>>
>> https://www.ovirt.org/documentation/admin-guide/chap-Logical_Networks/#bonds-1
>>
>> "Important: Modes 1, 2, 3, and 4 support both virtual machine (bridged)
>> and non-virtual machine (bridgeless) network types. Modes 0, 5 and 6 support
>> non-virtual machine (bridgeless) networks only.¨
>>
>> So both tlb (mode 5) or alb (mode 6) are fine only if you use them just
>> for the storage access but not for VMs.
>>
>>>
>>> Thanks in advance,
>>>
>>> R
>>>
>>> Tibor
>>>
>>>
>>>
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>>>
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>>
>>
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>
>



-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , <lorenzetto.l...@gmail.com>
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Re: [ovirt-users] Slow conversion from VMware in 4.1

[Luca 'remix_tj' Lorenzetto]

On Thu, Jan 25, 2018 at 10:08 AM, Richard W.M. Jones <rjo...@redhat.com> wrote:
> There's got to be some difference between your staging environment and
> your production environment, and I'm pretty sure it has nothing to do
> with the version of oVirt.
>
> Are you running virt-v2v inside a virtual machine, and previously you
> ran it on bare-metal?  Or did you disable nested KVM?  That seems like
> the most likely explanation for the difference (although I'm surprised
> that the difference is so large).
>
> Rich.
>

Hello Rich,

i'm running virt-v2v throught the import option of oVirt.

[root@kvm01 ~]# rpm -qa virt-v2v
virt-v2v-1.36.3-6.el7_4.3.x86_64
[root@kvm01 ~]# rpm -qa libguestfs
libguestfs-1.36.3-6.el7_4.3.x86_64
[root@kvm01 ~]# rpm -qa "redhat-virtualization-host-image-update*"
redhat-virtualization-host-image-update-placeholder-4.1-8.1.el7.noarch
redhat-virtualization-host-image-update-4.1-20171207.0.el7_4.noarch

(yes, i'm running RHV, but i think this shouldn't change the behaviour)

I don't set anything in the commandline or whatever, i set only the
source and destination throught the API. So virt-v2v is coordinated
via vdsm and runs on the bare-metal host.

The network distance is "0", because vcenter, source vmware hosts, kvm
hosts and ovirt hosts lies in the same network. The only annotation is
that also vCenter is a VM, running on esx environment.

Network interfaces both on source and destination are 10Gbit, but
there may be a little slowdown on vcenter side because has to get the
data from esx's datastore and forward to the ovirt host.

Just for reference this is the virt-v2v i found with ps on an host
when converting (this may be not the one that generated the output i
reported before, but all are the same):

/usr/bin/virt-v2v -v -x -ic
vpx://vmwareuser%40domain@vcenter/DC/Cluster/Host?no_verify=1 -o vdsm
-of raw -oa preallocated --vdsm-image-uuid
9ef9a0fd-b9e0-4adb-a05a-70560eca553d --vdsm-vol-uuid
8fc08042-34ec-4018-a4d4-622fda51f4e8 --password-file
/var/run/vdsm/v2v/34afd77c-edbd-459e-a221-0df56c42274b.tmp
--vdsm-vm-uuid 34afd77c-edbd-459e-a221-0df56c42274b --vdsm-ovf-output
/var/run/vdsm/v2v --machine-readable -os
/rhev/data-center/e8263fb4-114d-4706-b1c0-5defcd15d16b/9ba693b0-7588-411f-b97c-ec2de619d2f8
vmtoconvert


Luca




-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , <lorenzetto.l...@gmail.com>
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[ovirt-users] Slow conversion from VMware in 4.1

[Luca 'remix_tj' Lorenzetto]

kernel module dependencies
and firmware done ***
[ 1724.539224] dracut[1565] *** Resolving executable dependencies ***
[ 1844.709874] dracut[1565] *** Resolving executable dependencies done***
[ 1844.723313] dracut[1565] *** Hardlinking files ***
[ 1847.281611] dracut[1565] *** Hardlinking files done ***
[ 1847.284119] dracut[1565] *** Stripping files ***
[ 1908.635888] dracut[1565] *** Stripping files done ***
[ 1908.638262] dracut[1565] *** Generating early-microcode cpio image
contents ***
[ 1908.645054] dracut[1565] *** Constructing GenuineIntel.bin 
[ 1909.567397] dracut[1565] *** Store current command line parameters ***
[ 1909.571686] dracut[1565] *** Creating image file ***
[ 1909.574239] dracut[1565] *** Creating microcode section ***
[ 1911.789907] dracut[1565] *** Created microcode section ***
[ 1921.680575] dracut[1565] *** Creating image file done ***
[ 1926.764407] dracut[1565] *** Creating initramfs image file
'/boot/initramfs-3.10.0-693.el7.x86_64.img' done ***
[1994.1] Mapping filesystem data to avoid copying unused and blank areas
[ 1984.841231] EXT4-fs (dm-8): mounted filesystem with ordered data
mode. Opts: discard
[ 1987.252106] EXT4-fs (dm-9): mounted filesystem with ordered data
mode. Opts: discard
[ 1990.531305] EXT4-fs (dm-3): mounted filesystem with ordered data
mode. Opts: discard
[ 1992.903109] EXT4-fs (dm-7): mounted filesystem with ordered data
mode. Opts: discard
[ 1995.876230] EXT4-fs (dm-2): mounted filesystem with ordered data
mode. Opts: discard
[ 1995.986384] EXT4-fs (dm-5): mounted filesystem with ordered data
mode. Opts: discard
[ 1997.748087] EXT4-fs (dm-6): mounted filesystem with ordered data
mode. Opts: discard
[ 1997.785914] EXT4-fs (dm-0): mounted filesystem with ordered data
mode. Opts: discard
[ 1997.824003] EXT4-fs (dm-4): mounted filesystem with ordered data
mode. Opts: discard
[ 2000.172658] EXT4-fs (dm-1): mounted filesystem with ordered data
mode. Opts: discard
[ 2001.214202] EXT4-fs (sda1): mounted filesystem with ordered data
mode. Opts: discard
[2010.7] Closing the overlay
[2010.7] Checking if the guest needs BIOS or UEFI to boot
[2010.7] Assigning disks to buses
[2010.7] Copying disk 1/1 to
/rhev/data-center/e8263fb4-114d-4706-b1c0-5defcd15d16b/a118578a-4cf2-4e0c-ac47-20e9f0321da1/images/1a93e503-ce57-4631-8dd2-eeeae45866ca/88d92582-0f53-43b0-89ff-af1c17ea8618
(raw)
[7000.4] Creating output metadata
[7000.4] Finishing off

Any help is appreciated.

Luca



-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , <lorenzetto.l...@gmail.com>
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Re: [ovirt-users] oVirt 4.1 change ovirtmgmt to enable VLAN tagging

[Luca 'remix_tj' Lorenzetto]

On Tue, Jan 23, 2018 at 10:59 AM, Staniforth, Paul
<p.stanifo...@leedsbeckett.ac.uk> wrote:
> Hello Luca,
>
>  We are keeping the VLAN ID the same so would this work, not
> being a network expert can the same VLAN be tagged and native on the same
> port?

Hello Paul,

I think yes, depends on your switches. I'm working with lenovo
chassis' I/O modules that provide a configuration option called
network default-tag that does exactly this.

Luca


-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , <lorenzetto.l...@gmail.com>
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Re: [ovirt-users] oVirt 4.1 change ovirtmgmt to enable VLAN tagging

[Luca 'remix_tj' Lorenzetto]

Il 22 gen 2018 7:49 PM, "Staniforth, Paul" 
ha scritto:

Hello,

 We have an oVirt 4.1  cluster of 3 ovirt-nodes that currently on
the management network don't have VLAN tagging enabled, we would like to
enable VLAN tagging and so would be grateful of anyone had an information
or experience doing this.


The management engine is running on a separate host and the 3 hosts are
running oVirt Node 4.1.6


Hi Paul, i did the same with the same release.

The trick was to set the tagging also of the default vlan on the switch
during the change from untagged to tagged.

In example, if you have to move your ovirtmgmt to vlan 10, you can set your
port for serving the network both native and tagged so while changing the
ovirtmgmt setup you will not lose the connectivity.

Luca
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Re: [ovirt-users] Configuration of FCoE in oVirt 4.2 on HP BladeSystem c7000

[Luca 'remix_tj' Lorenzetto]

On Sun, Jan 14, 2018 at 12:34 AM, Gunder Johansen
<gantonjo-ov...@yahoo.com> wrote:
>
> Thanks, Fred.
>
> I have been looking at FCoE VDSM Hooks to no help. Looking at it again, I am 
> still not able to see any FCoE
>
> [root@ovirtengine ~]# engine-config -g UserDefinedNetworkCustomProperties
> UserDefinedNetworkCustomProperties:  version: 3.6
> UserDefinedNetworkCustomProperties:  version: 4.0
> UserDefinedNetworkCustomProperties: 
> fcoe=^((enable|dcb|auto_vlan)=(yes|no),?)*$ version: 4.1
> UserDefinedNetworkCustomProperties: 
> fcoe=^((enable|dcb|auto_vlan)=(yes|no),?)*$ version: 4.2
>
> I finally managed to find the "custom Property" where I could set 
> "enable=yes,dcb=no" for fcoe, but when applying the change, I get unexepected 
> error. Yes, the host was in local maintenance mode when I applied the change.
>
> I am afraid I am not understanding all the steps needed from the Virtual 
> Connect configuration in the blade rack to the network interfaces inside 
> oVirt. Should I add a new FCoE only network interface and should this have 
> VLAN/IP address in a special range compared to the internal network in the 
> rack?
>

Hi Gunder,

from my experience (we have several C7000 Chassis with Virtual
Connect), blades sees the FCoE connection as a standard FC connection.
We use 650FLB - HP FlexFabric 20Gb 2-port 650FLB Adapter, and we add
all the storage using "Fibre Channel" storage type.

Luca


-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , <lorenzetto.l...@gmail.com>
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Re: [ovirt-users] oVirt Node 4.1.8 -> 4.2 upgrade

[Luca 'remix_tj' Lorenzetto]

Hi Yuval,

interesting, thank you!

Luca

On Thu, Jan 18, 2018 at 1:26 PM, Yuval Turgeman <yuv...@redhat.com> wrote:
> Hi Luca,
>
> We updated the FAQ [1] with a small script to help upgrade between major
> releases.
>
> [1] https://www.ovirt.org/node/faq/
>
> On Mon, Jan 15, 2018 at 10:21 AM, Luca 'remix_tj' Lorenzetto
> <lorenzetto.l...@gmail.com> wrote:
>>
>>
>>
>> On Thu, Jan 11, 2018 at 2:31 PM, Ryan Barry <rba...@redhat.com> wrote:
>>>
>>> Note that, in the case of Node, the ovirt-release RPM should not be
>>> installed. Mostly because it automatically enables a number of per-package
>>> updates (such as vdsm) instead of installing a single image.
>>>
>>> Trimming the repo files so they look like what is shipped in Node
>>> (IgnorePkgs and OnlyPkgs) will pull ovirt-node-ng-image-update.rpm, which is
>>> the only package needing an update.
>>>
>>
>> Hi,
>>
>> i'm upgrading ovirt-node too. I found out that installing ovirt-release
>> file and running yum upgrade wants to upgrade everything. Instead, if i make
>>
>> yum upgrade ovirt-node-ng-image*
>>
>> I get the new image downloaded.
>>
>> So which is the right procedure to upgrade a node? Maybe providing a
>> single command alternative to yum (let's say ovirt-node-upgrade) for
>> upgrading would be better and avoid issues when doing such operation.
>>
>> Luca
>>
>> --
>> "E' assurdo impiegare gli uomini di intelligenza eccellente per fare
>> calcoli che potrebbero essere affidati a chiunque se si usassero delle
>> macchine"
>> Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)
>>
>> "Internet è la più grande biblioteca del mondo.
>> Ma il problema è che i libri sono tutti sparsi sul pavimento"
>> John Allen Paulos, Matematico (1945-vivente)
>>
>> Luca 'remix_tj' Lorenzetto, http://www.remixtj.net ,
>> <lorenzetto.l...@gmail.com>
>>
>> ___
>> Users mailing list
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>> http://lists.ovirt.org/mailman/listinfo/users
>>
>



-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , <lorenzetto.l...@gmail.com>
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Re: [ovirt-users] [solved] Error while upgrading engine from 4.1.8 to 4.2

[Luca 'remix_tj' Lorenzetto]

On Wed, Jan 17, 2018 at 4:48 PM, Simone Tiraboschi <stira...@redhat.com> wrote:
>
> Ciao Luca,
> do you remember if in the past you edited it somehow?
>

Ciao Simone,

never had. It has been deployed when was 4.1.2 (IIRC) and upgraded
accordingly to 4.1.9 and then to latest version.

Luca

-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , <lorenzetto.l...@gmail.com>
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Re: [ovirt-users] [solved] Error while upgrading engine from 4.1.8 to 4.2

[Luca 'remix_tj' Lorenzetto]

On Tue, Jan 16, 2018 at 9:20 AM, Sandro Bonazzola <sbona...@redhat.com> wrote:
>
>
>
> 2018-01-12 17:39 GMT+01:00 Luca 'remix_tj' Lorenzetto 
> <lorenzetto.l...@gmail.com>:
>>
>> Hello,
>>
>> i just completed the upgrade of my engine appliance from 4.1.8 to 4.2.0.1.
>
>
> This is interesting, since we released ovirt-engine-4.2.0.2 on GA, not 
> 4.2.0.1.
> Can you detail how did you get 4.2.0.1?
>

Hello Sandro,

it's a typo. The version is 4.2.0.2-1.el7.centos as you reported.

Luca


-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , <lorenzetto.l...@gmail.com>
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Re: [ovirt-users] Configuration of FCoE in oVirt 4.2 on HP BladeSystem c7000

[Luca 'remix_tj' Lorenzetto]

Hello, i have the same hardware.

>From the os point of view i see the converged adapter as a standard fc hba,
which is configured in my case by virtual connect.

In ovirt i haven't configured anything directly (fcoe networks and so on)

Luca



Il 12 gen 2018 10:53 PM, "Gunder Johansen"  ha
scritto:

> We are running oVirt 4.2 on a HP BladeSystem c7000 with six BL460 gen 9
> blade servers, all running oVirt Node 4.2 distro. We want to configure FCoE
> for the storage domains, but I find no places in the GUI where I can define
> the logical network. I guess the documentation on oVirt site (
> https://www.ovirt.org/documentation/admin-guide/chap-Logical_Networks/)
> is outdated with respect to FCoE. Can anyone tell us how to configure FCoE
> in oVirt 4.2?
>
> Thanks in advance for your help.
>
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Re: [ovirt-users] wheel next to the up triangle in the UI

[Luca 'remix_tj' Lorenzetto]

On Fri, Jan 12, 2018 at 10:12 AM, Nathanaël Blanchet <blanc...@abes.fr> wrote:
> You're right, if I manually stop and restart the vm through the ui, the
> wheel disappears. But, restarting the vm with vagrant, the wheel comes back,
> so I guess it comes from sdk4 action (ansible/vagrant), while I first
> guessed it came from cloud-init.


It's not directly related with cloud-init. If you want to use
cloud-init, vm has to start with "Run Once". That's why you find the
wheel.

Luca

-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , <lorenzetto.l...@gmail.com>
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Re: [ovirt-users] wheel next to the up triangle in the UI

[Luca 'remix_tj' Lorenzetto]

I suppose is because they're started with  "run once".

Happens the same also when you deploy with ansible using cloud-init. I
think with vagrant is the same.

Luca

Il 11 gen 2018 7:24 PM, "Nathanaël Blanchet"  ha scritto:

> Hi all,
>
> I'm using vagrant ovirt4 plugin to provision some vms, and I noticed that
> a wheel is still present next to the up status of those vms. What does that
> mean?
>
> --
> Nathanaël Blanchet
>
> Supervision réseau
> Pôle Infrastrutures Informatiques
> 227 avenue Professeur-Jean-Louis-Viala
> 
> 34193 MONTPELLIER CEDEX 5
> Tél. 33 (0)4 67 54 84 55
> Fax  33 (0)4 67 54 84 14
> blanc...@abes.fr
>
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[ovirt-users] Hosted Engine and network isolation

[Luca 'remix_tj' Lorenzetto]

Hello,


i just completed the setup of my 4.1 new cluster and i'm validating
against a set of certification tests i did in the earlier version.

One of the test was consisting on isolating the host where
hosted-engine vm is running, setting ports on the switch down. Storage
domain hosting the engine is FC.

Up to 4.0.4, that was the version we was using during that tests,
isolating the host was causing a restart of the engine vm on another
available host with the fence of the isolated host.

Now, with 4.1.8, isolating the host doesn't restart the engine on the
other host, only moves the status of the host2 to
EngineUnexpectedlyDown, while host1 is isolated, with the engine vm
still running on it.

Is this due to storage leases? What should be the right action to take
in case of isolated host for moving engine away?

Thank you,

Luca


-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , <lorenzetto.l...@gmail.com>
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Re: [ovirt-users] oVirt 4.2 CEPH support

[Luca 'remix_tj' Lorenzetto]

On Tue, Jan 9, 2018 at 2:45 PM, Matthias Leopold
<matthias.leop...@meduniwien.ac.at> wrote:

> just for the records:
> we are running a productive oVirt 4.1 cluster with storage on a Ceph 12.2
> cluster connected as an external provider, type: Openstack Volume (= Cinder)
>

Yup, but that's different than using iSCSI, since you're using
directly qemu with librbd as storage module.

Luca


-- 
"E' assurdo impiegare gli uomini di intelligenza eccellente per fare
calcoli che potrebbero essere affidati a chiunque se si usassero delle
macchine"
Gottfried Wilhelm von Leibnitz, Filosofo e Matematico (1646-1716)

"Internet è la più grande biblioteca del mondo.
Ma il problema è che i libri sono tutti sparsi sul pavimento"
John Allen Paulos, Matematico (1945-vivente)

Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , <lorenzetto.l...@gmail.com>
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