Re: [ovirt-users] Current status of 4.0.6 | EL7.3?

[Derek Atkins]

Hi Robert,

Is this the official response from the ovirt team, to use the
centos-release-qemu-ev repo?  Or will qemu-kvm-common-ev-2.6.0 get
released in the ovirt-release40 repo sometime soon?  (I'm glad I haven't
updated yet!)

Thanks,

-derek

On Thu, December 29, 2016 9:32 pm, Robert Story wrote:
> On Thu, 29 Dec 2016 15:32:07 -0500 Derek wrote:
> DA> Hi,
> DA>
> DA> What is the current status of Ovirt 4.0.6 and EL7.3?  From previous
> DA> threads it seemed to me that there was a potential compatibility issue
> DA> with the 7.3 kernel and an updated version of vdsm or qemu?  I just
> want
> DA> to ensure any potential issues have been cleared up before I upgrade
> my
> DA> systems.
> DA>
> DA> Thanks,
> DA>
> DA> -derek
> DA>
>
> I think you need to enable CentOS Virt SIG repo to get the latest
> qemu-kvm:
>
> # yum list qemu-kvm-common\*
> qemu-kvm-common.x86_64   10:1.5.3-126.el7
>  base
>
> # yum install http://resources.ovirt.org/pub/yum-repo/ovirt-release40.rpm
> # yum -C list qemu-kvm-common\*
> qemu-kvm-common.x86_64 10:1.5.3-126.el7
> base
> qemu-kvm-common-ev.x86_64  10:2.3.0-31.el7.16.1
> ovirt-4.0
>
> # yum install centos-release-qemu-ev
> # yum list qemu-kvm-common\*
> qemu-kvm-common.x86_64   10:1.5.3-126.el7 base
> qemu-kvm-common-ev.x86_6410:2.6.0-27.1.el7
> centos-qemu-ev
>
> That worked for me earlier this week.
>
>
> Robert
>
> --
> Senior Software Engineer @ Parsons
>


-- 
   Derek Atkins 617-623-3745
   de...@ihtfp.com www.ihtfp.com
   Computer and Internet Security Consultant

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[ovirt-users] Exit message: Bad volume specification

[Rodrick Brown]

One of our VM's went today and after further investigation it said it was
paused because of storage I/O error I immediately powered off the VM and
tried starting it again and this is what I get when it tries to come up
before it fails.

What are my options? I have snapshots but when I try to clone a new VM from
a snapshot it fails saying unable to create VMVolume or something. Their is
nothing wrong with the storage volume other VM's are fine. I'm desperate
here and need to recover this VM.

VM nyc01ipa01 is down with error. Exit message: Bad volume specification
{'index': 0, 'iface': 'virtio', 'type': 'disk', 'format': 'cow',
'bootOrder': '3', 'address': {'slot': '0x06', 'bus': '0x00', 'domain':
'0x', 'type': 'pci', 'function': '0x0'}, 'volumeID':
'0e29650b-6168-4ab6-a402-f6b425423680', 'apparentsize': '197632',
'imageID': '16ad7903-f3d3-4839-a6d0-c4278f67de28', 'specParams': {},
'readonly': 'false', 'domainID': '7f971af9-6dfa-421f-a5c5-f500d9745869',
'reqsize': '0', 'deviceId': '16ad7903-f3d3-4839-a6d0-c4278f67de28',
'truesize': '33280', 'poolID': 'bff80e3e-140e-464f-adc9-53664b1723c0',
'device': 'disk', 'shared': 'false', 'propagateErrors': 'off', 'optional':
'false'}.

-- 


*Rodrick Brown */
*Site Reliability Engineer *(917) 445 - 6839 /
*rbr...@marketfactory.com **425 Broadway #3, New
York, NY 10013*
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Re: [ovirt-users] Using zRam with oVirt Nodes

[Pavel Gashev]

I enable zSwap on my oVirt nodes by default. However zSwap is not the same 
thing as zRam. The purpose of zSwap is decreasing I/O by compressing swap 
itself. zSwap uses some ram for compressed swap, but it doesn’t try to keep a 
page in memory if it can’t be compressed. 

I find using of zRam without swap too risky. You don’t know when OOM killer 
start its job.

-Original Message-
From:  on behalf of Fernando Frediani 

Date: Friday 30 December 2016 at 20:06
To: "users@ovirt.org" 
Subject: [ovirt-users] Using zRam with oVirt Nodes

Hello folks.

On simple libvirt/KVM hosts in order to improve RAM usage and avoid swap 
to disk I use zRam with swap to RAM technique. So create half of amount 
of host memory in zRam disk divided by the number of CPU cores. Works 
pretty well.

Has anyone tried it with oVirt Nodes or even has it been considered as a 
feature to simply turn on/off ?

Thanks
Fernando

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Re: [ovirt-users] Request for oVirt Ansible modules testing feedback

[Dan Yasny]

I personally found that she'll isn't as useful as the python sdk. I usually
open up ipython, load the sdk and interact with ovirt directly. This is
faster and much more powerful than the shell could ever be.

On Dec 30, 2016 11:22 AM, "Nathanaël Blanchet"  wrote:

> Interesting work and thank you for this stuff. I played with some modules
> (ovirt_vms_facts) to get some vms name for example.
>
>- [root@acore ovirt]# ansible-playbook All_Vms_list.yml
>- with
>  - name: List vms
>ovirt_vms_facts:
>  auth: "{{ ovirt_auth }}"
>  pattern: name=test_cloud
>  fetch_nested: true
>  nested_attributes: name
>register: ovirt_vms
>
>  - shell: echo "{{ ovirt_vms.name }} > vms_name" // doesn't work
>
>
>-   - shell: echo "{{ ovirt_vms }} > vms_name // returns an unicode
>json file, that's surely why we can't parse it. Can you help me to solve
>this into the ovirt_vms_facts.py file?
>
>
>- I have no such problem with ovirt_snaphots_module and I can easily
>get the snaphot.id variable but:
>   - I had to manually copy the ovirt_snaphsots_module because it is
>   not present on the git tree. This is very curious: we can find it here
>   http://ovirt-ansible-modules.readthedocs.io/en/latest/_
>   modules/ovirt_snapshots_module.htm
>   
> ,
>   but it is not available on the main ansible git tre.
>   - On the doc, return values are not described
>
> For the moment, my opinion is that ansible can't be as much convinient as
> the current CLI, e.g. ovirt-shell -E "list vms", out of the box. Is there a
> really reason to deprecate it?
>
> Le 02/12/2016 à 14:12, Ondra Machacek a écrit :
>
> Hello all,
>
> I would like to kindly ask everyone who is Ansible or oVirt user for
> testing of the new Ansible oVirt modules. For everyone who is familiar
> with the Ansible and oVirt, this[1] describes the steps you need to do,
> to setup oVirt modules library and start using those modules (Most of
> those modules will be available in Ansible 2.3, some of them are already in
> 2.2).
>
> If you have any issue setting this up, please contact me, I will do the
> best to help you.
>
> If you have an issue, which you think is a bug, please open an issue
> here[2]. Please note that Ansible is merging it's repositories, so since
> next week it will actually be stored here[3]. If you are missing
> anything please open an issue as well, or just contact me, and I will
> do fix it. You are also very welcome to sent PR with fixes.
>
> For those who don't have testing environment which can test against,
> I've created an Vagrant project which will deploy you the oVirt instance
> using Ansible playbooks. You can find how to use it here[4].
>
> The repository also contains few examples[5], so you don't have to
> copy-paste them from the source.
>
> Thanks all for reading this and any feedback,
> Ondra
>
> [1] https://github.com/machacekondra/ovirt-tests/releases/tag/0.1
> [2] https://github.com/ansible/ansible-modules-extras/issues
> [3] https://github.com/ansible/ansible
> [4] https://github.com/machacekondra/ovirt-tests
> [5] https://github.com/machacekondra/ovirt-tests/tree/master/examples
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>
> --
> 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 14blanc...@abes.fr
>
>
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>
>
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Re: [ovirt-users] Using zRam with oVirt Nodes

[Fernando Frediani]

Hello it's the same thing zswap.

The use case is to be able to put more stuff in a single host without it 
need needing to swap to slow disks. You sacrifice CPU and avoid a lot 
slower swap to disk.


Fernando

On 30/12/2016 16:41, Yaniv Kaul wrote:



On Dec 30, 2016 7:06 PM, "Fernando Frediani" 
> 
wrote:


Hello folks.

On simple libvirt/KVM hosts in order to improve RAM usage and
avoid swap to disk I use zRam with swap to RAM technique. So
create half of amount of host memory in zRam disk divided by the
number of CPU cores. Works pretty well.

Has anyone tried it with oVirt Nodes or even has it been
considered as a feature to simply turn on/off ?


What exactly is the use case?
I'd use zram for temporary disks, using the VDSM hook for them.
I think you are referring to zswap?
Y.


Thanks
Fernando

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Re: [ovirt-users] Using zRam with oVirt Nodes

[Yaniv Kaul]

On Dec 30, 2016 7:06 PM, "Fernando Frediani" 
wrote:

Hello folks.

On simple libvirt/KVM hosts in order to improve RAM usage and avoid swap to
disk I use zRam with swap to RAM technique. So create half of amount of
host memory in zRam disk divided by the number of CPU cores. Works pretty
well.

Has anyone tried it with oVirt Nodes or even has it been considered as a
feature to simply turn on/off ?


What exactly is the use case?
I'd use zram for temporary disks, using the VDSM hook for them.
I think you are referring to zswap?
Y.


Thanks
Fernando

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[ovirt-users] New install: can't install engine

[Jim Kusznir]

Hi all:

I'm trying to set up a new ovirt cluster.  I got it "mostly working"
earlier, but wanted to change some physical networking stuff, and so I
thought I'd blow away my machines and rebuild.  I followed the same recipe
to build it all, but now I'm failing at a point that previously worked.

I've built a 3 node cluster with glusterfs backing (3 brick replica), and
all that is good and well.  I run the engine-setup --deploy, and it does
its stuff, asks me (among other things) the admin password, I type in the
password I want it to use (just like last time), then it says to log into
the new VM and run engine-setup.  Here's the problem: I try to ssh in as
root, and it will NOT accept my password.  It worked a couple days ago,
doing it the exact same way, but it will not work now.

I've destroyed and re-deployed several times, I've even done a low level
wipe of all three nodes and rebuild everything, and again, it doesn't work.

My only guess is that one of the packages the gdeploy script changed, and
it has a bug or "new feature" that breaks this for some reason.
Unfortunately, I do not have the package versions that worked or the
current list to compare to, so I cannot support this.

In any case, I'm completely stuck here...I can't log in to run
engine-deploy, and I don't know enough of the console/low level stuff to
try and hack my way into the VM (eg, to manually mount the disk image and
replace the password or put my SSH key in).

Suggestions?  Can anyone else replicate this?

--Jim
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[ovirt-users] Using zRam with oVirt Nodes

[Fernando Frediani]

Hello folks.

On simple libvirt/KVM hosts in order to improve RAM usage and avoid swap 
to disk I use zRam with swap to RAM technique. So create half of amount 
of host memory in zRam disk divided by the number of CPU cores. Works 
pretty well.


Has anyone tried it with oVirt Nodes or even has it been considered as a 
feature to simply turn on/off ?


Thanks
Fernando

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Re: [ovirt-users] Issue with OVN/OVS and mandatory ovirtmgmt network

[Marcin Mirecki]

1. Why not use your physical nic for ovirtmgmt then?

2. "ovn-nbctl ls-add" does not add a bridge, but a logical switch.
   br-int is an internal OVN implementation detail, which the user
   should not care about. What you see in the ovirt UI are logical
   networks. They are implemented as OVN logical switches in case
   of the OVN provider.

Please look at:
http://www.ovirt.org/blog/2016/11/ovirt-provider-ovn/
You can get the latest rpms from here:
http://resources.ovirt.org/repos/ovirt/experimental/master/ovirt-provider-ovn_fc24_46/rpm/fc24/noarch/

- Original Message -
> From: "Sverker Abrahamsson" 
> To: "Marcin Mirecki" 
> Cc: "Ovirt Users" 
> Sent: Friday, December 30, 2016 4:25:58 PM
> Subject: Re: [ovirt-users] Issue with OVN/OVS and mandatory ovirtmgmt network
> 
> 1. No, I did not want to put the ovirtmgmt bridge on my physical nic as
> it always messed up the network config making the host unreachable. I
> have put a ovs bridge on this nic which I will use to make tunnels when
> I add other hosts. Maybe br-int will be used for that instead, will see
> when I get that far.
> 
> As it is now I have a dummy if for ovirtmgmt bridge but this will
> probably not work when I add other hosts as that bridge cannot connect
> to the other hosts. I'm considering keeping this just as a dummy to keep
> ovirt engine satisfied while the actual communication will happen over
> OVN/OVS bridges and tunnels.
> 
> 2. On
> https://www.ovirt.org//develop/release-management/features/ovirt-ovn-provider/
> there is instructions how to add an OVS bridge to OVN with |ovn-nbctl
> ls-add |. If you want to use br-int then it makes sense to
> make that bridge visible in ovirt webui under networks so that it can be
> selected for VM's.
> 
> It quite doesn't make sense to me that I can select other network for my
> VM but then that setting is not used when setting up the network.
> 
> /Sverker
> 
> Den 2016-12-30 kl. 15:34, skrev Marcin Mirecki:
> > Hi,
> >
> > The OVN provider does not require you to add any bridges manually.
> > As I understand we were dealing with two problems:
> > 1. You only had one physical nic and wanted to put a bridge on it,
> > attaching the management network to the bridge. This was the reason for
> > creating the bridge (the recommended setup would be to used a separate
> > physical nic for the management network). This bridge has nothing to
> > do with the OVN bridge.
> > 2. OVN - you want to use OVN on this system. For this you have to install
> > OVN on your hosts. This should create the br-int bridge, which are
> > then used by the OVN provider. This br-int bridge must be configured
> > to connect to other hosts using the geneve tunnels.
> >
> > In both cases the systems will not be aware of any bridges you create.
> > They need a nic (be it physical or virtual) to connect to other system.
> > Usually this is the physical nic. In your case you decided to put a bridge
> > on the physical nic, and give oVirt a virtual nic attached to this bridge.
> > This works, but keep in mind that the bridge you have introduced is outside
> > of oVirt's (and OVN) control (and as such is not supported).
> >
> >> What is the purpose of
> >> adding my bridges to Ovirt through the external provider and configure
> >> them on my VM
> > I am not quite sure I understand.
> > The external provider (OVN provider to be specific), does not add any
> > bridges
> > to the system. It is using the br-int bridge created by OVN. The networks
> > created by the OVN provider are purely logical entities, implemented using
> > the OVN br-int bridge.
> >
> > Marcin
> >
> >
> > - Original Message -
> >> From: "Sverker Abrahamsson" 
> >> To: "Marcin Mirecki" 
> >> Cc: "Ovirt Users" 
> >> Sent: Friday, December 30, 2016 12:15:43 PM
> >> Subject: Re: [ovirt-users] Issue with OVN/OVS and mandatory ovirtmgmt
> >> network
> >>
> >> Hi
> >> That is the logic I quite don't understand. What is the purpose of
> >> adding my bridges to Ovirt through the external provider and configure
> >> them on my VM if you are disregarding that and using br-int anyway?
> >>
> >> /Sverker
> >>
> >> Den 2016-12-30 kl. 10:53, skrev Marcin Mirecki:
> >>> Sverker,
> >>>
> >>> br-int is the integration bridge created by default in OVN. This is the
> >>> bridge we use for the OVN provider. As OVN is required to be installed,
> >>> we assume that this bridge is present.
> >>> Using any other ovs bridge is not supported, and will require custom code
> >>> changes (such as the ones you created).
> >>>
> >>> The proper setup in your case would probably be to create br-int and
> >>> connect
> >>> this to your ovirtbridge, although I don't know the details of your env,
> >>> so
> >>> this is just my best guess.
> >>>
> >>> Marcin
> >>>
> >>>
> >>> - Original Message -
>  From: "Sverker 

Re: [ovirt-users] Request for oVirt Ansible modules testing feedback

[Nathanaël Blanchet]

Interesting work and thank you for this stuff. I played with some 
modules (ovirt_vms_facts) to get some vms name for example.


 * [root@acore ovirt]# ansible-playbook All_Vms_list.yml
 * with
  - name: List vms
ovirt_vms_facts:
  auth: "{{ ovirt_auth }}"
  pattern: name=test_cloud
  fetch_nested: true
  nested_attributes: name
register: ovirt_vms

  - shell: echo "{{ ovirt_vms.name }} > vms_name" // doesn't work

 *- shell: echo "{{ ovirt_vms }} > vms_name // returns an unicode
   json file, that's surely why we can't parse it. Can you help me to
   solve this into the ovirt_vms_facts.py file?

 * I have no such problem with ovirt_snaphots_module and I can easily
   get the snaphot.id variable but:
 o I had to manually copy the ovirt_snaphsots_module because it is
   not present on the git tree. This is very curious: we can find
   it here
   
http://ovirt-ansible-modules.readthedocs.io/en/latest/_modules/ovirt_snapshots_module.htm,
   but it is not available on the main ansible git tre.
 o On the doc, return values are not described

For the moment, my opinion is that ansible can't be as much convinient 
as the current CLI, e.g. ovirt-shell -E "list vms", out of the box. Is 
there a really reason to deprecate it?



Le 02/12/2016 à 14:12, Ondra Machacek a écrit :

Hello all,

I would like to kindly ask everyone who is Ansible or oVirt user for
testing of the new Ansible oVirt modules. For everyone who is familiar
with the Ansible and oVirt, this[1] describes the steps you need to do,
to setup oVirt modules library and start using those modules (Most of 
those modules will be available in Ansible 2.3, some of them are 
already in 2.2).


If you have any issue setting this up, please contact me, I will do the
best to help you.

If you have an issue, which you think is a bug, please open an issue
here[2]. Please note that Ansible is merging it's repositories, so since
next week it will actually be stored here[3]. If you are missing
anything please open an issue as well, or just contact me, and I will
do fix it. You are also very welcome to sent PR with fixes.

For those who don't have testing environment which can test against,
I've created an Vagrant project which will deploy you the oVirt instance
using Ansible playbooks. You can find how to use it here[4].

The repository also contains few examples[5], so you don't have to
copy-paste them from the source.

Thanks all for reading this and any feedback,
Ondra

[1] https://github.com/machacekondra/ovirt-tests/releases/tag/0.1
[2] https://github.com/ansible/ansible-modules-extras/issues
[3] https://github.com/ansible/ansible
[4] https://github.com/machacekondra/ovirt-tests
[5] https://github.com/machacekondra/ovirt-tests/tree/master/examples
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34193 MONTPELLIER CEDEX 5   
Tél. 33 (0)4 67 54 84 55
Fax  33 (0)4 67 54 84 14
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Re: [ovirt-users] Issue with OVN/OVS and mandatory ovirtmgmt network

[Sverker Abrahamsson]

1. No, I did not want to put the ovirtmgmt bridge on my physical nic as 
it always messed up the network config making the host unreachable. I 
have put a ovs bridge on this nic which I will use to make tunnels when 
I add other hosts. Maybe br-int will be used for that instead, will see 
when I get that far.


As it is now I have a dummy if for ovirtmgmt bridge but this will 
probably not work when I add other hosts as that bridge cannot connect 
to the other hosts. I'm considering keeping this just as a dummy to keep 
ovirt engine satisfied while the actual communication will happen over 
OVN/OVS bridges and tunnels.


2. On 
https://www.ovirt.org//develop/release-management/features/ovirt-ovn-provider/ 
there is instructions how to add an OVS bridge to OVN with |ovn-nbctl 
ls-add |. If you want to use br-int then it makes sense to 
make that bridge visible in ovirt webui under networks so that it can be 
selected for VM's.


It quite doesn't make sense to me that I can select other network for my 
VM but then that setting is not used when setting up the network.


/Sverker

Den 2016-12-30 kl. 15:34, skrev Marcin Mirecki:

Hi,

The OVN provider does not require you to add any bridges manually.
As I understand we were dealing with two problems:
1. You only had one physical nic and wanted to put a bridge on it,
attaching the management network to the bridge. This was the reason for
creating the bridge (the recommended setup would be to used a separate
physical nic for the management network). This bridge has nothing to
do with the OVN bridge.
2. OVN - you want to use OVN on this system. For this you have to install
OVN on your hosts. This should create the br-int bridge, which are
then used by the OVN provider. This br-int bridge must be configured
to connect to other hosts using the geneve tunnels.

In both cases the systems will not be aware of any bridges you create.
They need a nic (be it physical or virtual) to connect to other system.
Usually this is the physical nic. In your case you decided to put a bridge
on the physical nic, and give oVirt a virtual nic attached to this bridge.
This works, but keep in mind that the bridge you have introduced is outside
of oVirt's (and OVN) control (and as such is not supported).


What is the purpose of
adding my bridges to Ovirt through the external provider and configure
them on my VM

I am not quite sure I understand.
The external provider (OVN provider to be specific), does not add any bridges
to the system. It is using the br-int bridge created by OVN. The networks
created by the OVN provider are purely logical entities, implemented using
the OVN br-int bridge.

Marcin


- Original Message -

From: "Sverker Abrahamsson" 
To: "Marcin Mirecki" 
Cc: "Ovirt Users" 
Sent: Friday, December 30, 2016 12:15:43 PM
Subject: Re: [ovirt-users] Issue with OVN/OVS and mandatory ovirtmgmt network

Hi
That is the logic I quite don't understand. What is the purpose of
adding my bridges to Ovirt through the external provider and configure
them on my VM if you are disregarding that and using br-int anyway?

/Sverker

Den 2016-12-30 kl. 10:53, skrev Marcin Mirecki:

Sverker,

br-int is the integration bridge created by default in OVN. This is the
bridge we use for the OVN provider. As OVN is required to be installed,
we assume that this bridge is present.
Using any other ovs bridge is not supported, and will require custom code
changes (such as the ones you created).

The proper setup in your case would probably be to create br-int and
connect
this to your ovirtbridge, although I don't know the details of your env, so
this is just my best guess.

Marcin


- Original Message -

From: "Sverker Abrahamsson" 
To: "Marcin Mirecki" 
Cc: "Ovirt Users" , "Numan Siddique"

Sent: Friday, December 30, 2016 1:14:50 AM
Subject: Re: [ovirt-users] Issue with OVN/OVS and mandatory ovirtmgmt
network

Even better, if the value is not hardcoded then the configured value is
used. Might be that I'm missunderstanding something but this is the
behaviour I expected instead of that it is using br-int.

Attached is a patch which properly sets up the xml, in case there is
already a virtual port there + testcode of some variants

/Sverker

Den 2016-12-29 kl. 22:55, skrev Sverker Abrahamsson:

When I change
/usr/libexec/vdsm/hooks/before_device_create/ovirt_provider_ovn_hook
to instead of hardcoded to br-int use BRIDGE_NAME = 'ovirtbridge' then
I get the expected behaviour and I get a working network connectivity
in my VM with IP provided by dhcp.

/Sverker

Den 2016-12-29 kl. 22:07, skrev Sverker Abrahamsson:

By default the vNic profile of my OVN bridge ovirtbridge gets a
Network filter named vdsm-no-mac-spoofing. If I instead set No filter
then I don't get those ebtables / iptables messages. It seems that
there is 

Re: [ovirt-users] Issue with OVN/OVS and mandatory ovirtmgmt network

[Marcin Mirecki]

Hi,

The OVN provider does not require you to add any bridges manually.
As I understand we were dealing with two problems:
1. You only had one physical nic and wanted to put a bridge on it,
   attaching the management network to the bridge. This was the reason for
   creating the bridge (the recommended setup would be to used a separate
   physical nic for the management network). This bridge has nothing to
   do with the OVN bridge.
2. OVN - you want to use OVN on this system. For this you have to install
   OVN on your hosts. This should create the br-int bridge, which are
   then used by the OVN provider. This br-int bridge must be configured
   to connect to other hosts using the geneve tunnels.

In both cases the systems will not be aware of any bridges you create.
They need a nic (be it physical or virtual) to connect to other system.
Usually this is the physical nic. In your case you decided to put a bridge
on the physical nic, and give oVirt a virtual nic attached to this bridge.
This works, but keep in mind that the bridge you have introduced is outside
of oVirt's (and OVN) control (and as such is not supported).

> What is the purpose of
> adding my bridges to Ovirt through the external provider and configure
> them on my VM

I am not quite sure I understand.
The external provider (OVN provider to be specific), does not add any bridges
to the system. It is using the br-int bridge created by OVN. The networks
created by the OVN provider are purely logical entities, implemented using
the OVN br-int bridge.

Marcin


- Original Message -
> From: "Sverker Abrahamsson" 
> To: "Marcin Mirecki" 
> Cc: "Ovirt Users" 
> Sent: Friday, December 30, 2016 12:15:43 PM
> Subject: Re: [ovirt-users] Issue with OVN/OVS and mandatory ovirtmgmt network
> 
> Hi
> That is the logic I quite don't understand. What is the purpose of
> adding my bridges to Ovirt through the external provider and configure
> them on my VM if you are disregarding that and using br-int anyway?
> 
> /Sverker
> 
> Den 2016-12-30 kl. 10:53, skrev Marcin Mirecki:
> > Sverker,
> >
> > br-int is the integration bridge created by default in OVN. This is the
> > bridge we use for the OVN provider. As OVN is required to be installed,
> > we assume that this bridge is present.
> > Using any other ovs bridge is not supported, and will require custom code
> > changes (such as the ones you created).
> >
> > The proper setup in your case would probably be to create br-int and
> > connect
> > this to your ovirtbridge, although I don't know the details of your env, so
> > this is just my best guess.
> >
> > Marcin
> >
> >
> > - Original Message -
> >> From: "Sverker Abrahamsson" 
> >> To: "Marcin Mirecki" 
> >> Cc: "Ovirt Users" , "Numan Siddique"
> >> 
> >> Sent: Friday, December 30, 2016 1:14:50 AM
> >> Subject: Re: [ovirt-users] Issue with OVN/OVS and mandatory ovirtmgmt
> >> network
> >>
> >> Even better, if the value is not hardcoded then the configured value is
> >> used. Might be that I'm missunderstanding something but this is the
> >> behaviour I expected instead of that it is using br-int.
> >>
> >> Attached is a patch which properly sets up the xml, in case there is
> >> already a virtual port there + testcode of some variants
> >>
> >> /Sverker
> >>
> >> Den 2016-12-29 kl. 22:55, skrev Sverker Abrahamsson:
> >>> When I change
> >>> /usr/libexec/vdsm/hooks/before_device_create/ovirt_provider_ovn_hook
> >>> to instead of hardcoded to br-int use BRIDGE_NAME = 'ovirtbridge' then
> >>> I get the expected behaviour and I get a working network connectivity
> >>> in my VM with IP provided by dhcp.
> >>>
> >>> /Sverker
> >>>
> >>> Den 2016-12-29 kl. 22:07, skrev Sverker Abrahamsson:
>  By default the vNic profile of my OVN bridge ovirtbridge gets a
>  Network filter named vdsm-no-mac-spoofing. If I instead set No filter
>  then I don't get those ebtables / iptables messages. It seems that
>  there is some issue between ovirt/vdsm and firewalld, which we can
>  put to the side for now.
> 
>  It is not clear for me why the port is added on br-int instead of the
>  bridge I've assigned to the VM, which is ovirtbridge??
> 
>  /Sverker
> 
>  Den 2016-12-29 kl. 14:20, skrev Sverker Abrahamsson:
> > The specific command most likely fails because there is no chain
> > named libvirt-J-vnet0, but when should that have been created?
> > /Sverker
> >
> >  Vidarebefordrat meddelande 
> > Ämne:   Re: [ovirt-users] Issue with OVN/OVS and mandatory ovirtmgmt
> > network
> > Datum:  Thu, 29 Dec 2016 08:06:29 -0500 (EST)
> > Från:   Marcin Mirecki 
> > Till:   Sverker Abrahamsson 
> > Kopia:  Ovirt Users , Lance Richardson
> > 

Re: [ovirt-users] Unable to delete VM disk

[cmc]

Hi Alexander,

Thanks. I've attached the log. Relevant error is the last entry.

Kind regards,

Cam

On Wed, Dec 14, 2016 at 3:12 PM, Alexander Wels  wrote:
> On Wednesday, December 14, 2016 11:51:49 AM EST cmc wrote:
>> Having some difficulty in getting the permutation string currently, as
>> I can't get a cache.html file to appear in the Network section of the
>> debugger, and both browsers I'm using (Chrome and FIrefox) do not
>> print the permutation ID at the bottom of the console output. I'll see
>> if I can get some more detail on how this works from some searching
>>
>
> I improved that, I just haven't updated the wiki, as soon as you install the
> symbol maps, and you can recreate the issue, then the UI.log should have the
> unobfuscated stack trace, so you don't have to do all that stuff manually
> anymore.
>
>> On Wed, Dec 14, 2016 at 8:21 AM, Fred Rolland  wrote:
>> > The UI log is obfuscated.
>> > Can you please follow instruction on [1] and reproduce so that we get a
>> > human readable log.
>> >
>> > Thanks
>> >
>> > [1]
>> > http://www.ovirt.org/develop/developer-guide/engine/engine-debug-obfuscate
>> > d-ui/>
>> > On Tue, Dec 13, 2016 at 7:42 PM, cmc  wrote:
>> >> Sorry, forgot the version: 4.0.5.5-1.el7.centos
>> >>
>> >> On Tue, Dec 13, 2016 at 5:37 PM, cmc  wrote:
>> >> > On the VM in the list of VMs, by right-clicking on it. It then gives
>> >> > you a pop up window to edit the VM, starting in the 'General' section
>> >> > (much as when you create a new one)
>> >> >
>> >> > Thanks,
>> >> >
>> >> > Cam
>> >> >
>> >> > On Tue, Dec 13, 2016 at 5:04 PM, Fred Rolland 
>> >> >
>> >> > wrote:
>> >> >> Hi,
>> >> >>
>> >> >> Which version are you using ?
>> >> >> When you mention "Edit", on which entity is it performed.?
>> >> >>
>> >> >> The disks are currently not part of the edit VM window.
>> >> >>
>> >> >> Thanks,
>> >> >> Freddy
>> >> >>
>> >> >> On Tue, Dec 13, 2016 at 6:06 PM, cmc  wrote:
>> >> >>> This VM wasn't running.
>> >> >>>
>> >> >>> On Tue, Dec 13, 2016 at 4:02 PM, Elad Ben Aharon
>> >> >>> 
>> >> >>>
>> >> >>> wrote:
>> >> >>> > In general, in order to delete a disk while it is attached to a
>> >> >>> > running
>> >> >>> > VM,
>> >> >>> > the disk has to be deactivated (hotunplugged) first so it won't be
>> >> >>> > accessible for read and write from the VM.
>> >> >>> > In the 'edit' VM prompt there is no option to deactivate the disk,
>> >> >>> > it
>> >> >>> > should
>> >> >>> > be done from the disks subtab under the virtual machine.
>> >> >>> >
>> >> >>> > On Tue, Dec 13, 2016 at 5:33 PM, cmc  wrote:
>> >> >>> >> Actually, I just tried to create a new disk via the 'Edit' menu
>> >> >>> >> once
>> >> >>> >> I'd deleted it from the 'Disks' tab, and it threw an exception.
>> >> >>> >>
>> >> >>> >> Attached is the console log.
>> >> >>> >>
>> >> >>> >> On Tue, Dec 13, 2016 at 3:24 PM, cmc  wrote:
>> >> >>> >> > Hi Elad,
>> >> >>> >> >
>> >> >>> >> > I was trying to delete the disk via the 'edit' menu, but noticed
>> >> >>> >> > just
>> >> >>> >> > now that there was a 'disks' tab when the machine was
>> >> >>> >> > highlighted.
>> >> >>> >> > This has a 'activate/deactivate' function, and once deactivated,
>> >> >>> >> > was
>> >> >>> >> > able to remove it without error.
>> >> >>> >> >
>> >> >>> >> > It does offer the option of deleting the disk when right
>> >> >>> >> > clicking
>> >> >>> >> > on
>> >> >>> >> > the VM and choosing 'edit', however, there is no 'deactivate'
>> >> >>> >> > option.
>> >> >>> >> > Not sure if this is by design (so that users should look
>> >> >>> >> > elsewhere).
>> >> >>> >> > I
>> >> >>> >> > can still try to run the delete from the 'Edit' page, and
>> >> >>> >> > capture
>> >> >>> >> > browser console output. Otherwise, apologies for troubling you
>> >> >>> >> > with
>> >> >>> >> > this.
>> >> >>> >> >
>> >> >>> >> > Kind regards,
>> >> >>> >> >
>> >> >>> >> > Cam
>> >> >>> >> >
>> >> >>> >> > On Tue, Dec 13, 2016 at 12:27 PM, Elad Ben Aharon
>> >> >>> >> > 
>> >> >>> >> >
>> >> >>> >> > wrote:
>> >> >>> >> >> There is no indication for image deletion in engine.log
>> >> >>> >> >> The browser console log is located in your browser under
>> >> >>> >> >> 'settings'->'developer'.
>> >> >>> >> >> Please try to delete a disk as you tried before, get the
>> >> >>> >> >> console
>> >> >>> >> >> log
>> >> >>> >> >> and
>> >> >>> >> >> provide it.
>> >> >>> >> >>
>> >> >>> >> >> Thanks
>> >> >>> >> >>
>> >> >>> >> >> On Mon, Dec 12, 2016 at 7:40 PM, cmc  wrote:
>> >> >>> >> >>> Hi Eled,
>> >> >>> >> >>>
>> >> >>> >> >>> I've attached the ui log and the engine log but I'm not sure
>> >> >>> >> >>> what
>> >> >>> >> >>> the
>> >> >>> >> >>> browser console log is - there is a 'console.log' in
>> >> >>> >> >>> /var/log/ovirt-engine,
>> >> >>> 

Re: [ovirt-users] Issue with OVN/OVS and mandatory ovirtmgmt network

[Sverker Abrahamsson]

Hi
That is the logic I quite don't understand. What is the purpose of 
adding my bridges to Ovirt through the external provider and configure 
them on my VM if you are disregarding that and using br-int anyway?


/Sverker

Den 2016-12-30 kl. 10:53, skrev Marcin Mirecki:

Sverker,

br-int is the integration bridge created by default in OVN. This is the
bridge we use for the OVN provider. As OVN is required to be installed,
we assume that this bridge is present.
Using any other ovs bridge is not supported, and will require custom code
changes (such as the ones you created).

The proper setup in your case would probably be to create br-int and connect
this to your ovirtbridge, although I don't know the details of your env, so
this is just my best guess.

Marcin


- Original Message -

From: "Sverker Abrahamsson" 
To: "Marcin Mirecki" 
Cc: "Ovirt Users" , "Numan Siddique" 
Sent: Friday, December 30, 2016 1:14:50 AM
Subject: Re: [ovirt-users] Issue with OVN/OVS and mandatory ovirtmgmt network

Even better, if the value is not hardcoded then the configured value is
used. Might be that I'm missunderstanding something but this is the
behaviour I expected instead of that it is using br-int.

Attached is a patch which properly sets up the xml, in case there is
already a virtual port there + testcode of some variants

/Sverker

Den 2016-12-29 kl. 22:55, skrev Sverker Abrahamsson:

When I change
/usr/libexec/vdsm/hooks/before_device_create/ovirt_provider_ovn_hook
to instead of hardcoded to br-int use BRIDGE_NAME = 'ovirtbridge' then
I get the expected behaviour and I get a working network connectivity
in my VM with IP provided by dhcp.

/Sverker

Den 2016-12-29 kl. 22:07, skrev Sverker Abrahamsson:

By default the vNic profile of my OVN bridge ovirtbridge gets a
Network filter named vdsm-no-mac-spoofing. If I instead set No filter
then I don't get those ebtables / iptables messages. It seems that
there is some issue between ovirt/vdsm and firewalld, which we can
put to the side for now.

It is not clear for me why the port is added on br-int instead of the
bridge I've assigned to the VM, which is ovirtbridge??

/Sverker

Den 2016-12-29 kl. 14:20, skrev Sverker Abrahamsson:

The specific command most likely fails because there is no chain
named libvirt-J-vnet0, but when should that have been created?
/Sverker

 Vidarebefordrat meddelande 
Ämne:   Re: [ovirt-users] Issue with OVN/OVS and mandatory ovirtmgmt
network
Datum:  Thu, 29 Dec 2016 08:06:29 -0500 (EST)
Från:   Marcin Mirecki 
Till:   Sverker Abrahamsson 
Kopia:  Ovirt Users , Lance Richardson
, Numan Siddique 



Let me add the OVN team.

Lance, Numan,

Can you please look at this?

Trying to plug a vNIC results in:

Dec 28 23:31:35 h2 ovs-vsctl: ovs|1|vsctl|INFO|Called as
ovs-vsctl
--timeout=5 -- --if-exists del-port vnet0 -- add-port br-int
vnet0 --
set Interface vnet0
"external-ids:attached-mac=\"00:1a:4a:16:01:51\""
-- set Interface vnet0
"external-ids:iface-id=\"e8853aac-8a75-41b0-8010-e630017dcdd8\""
--
set Interface vnet0
"external-ids:vm-id=\"b9440d60-ef5a-4e2b-83cf-081df7c09e6f\"" --
set
Interface vnet0 external-ids:iface-status=active
Dec 28 23:31:35 h2 kernel: device vnet0 entered promiscuous mode
Dec 28 23:31:35 h2 firewalld: WARNING: COMMAND_FAILED:
'/usr/sbin/ebtables --concurrent -t nat -D PREROUTING -i vnet0
-j
libvirt-J-vnet0' failed:
Dec 28 23:31:35 h2 firewalld: WARNING: COMMAND_FAILED:

More details below


- Original Message -

From: "Sverker Abrahamsson"
To: "Marcin Mirecki"
Cc: "Ovirt Users"
Sent: Thursday, December 29, 2016 1:42:11 PM
Subject: Re: [ovirt-users] Issue with OVN/OVS and mandatory ovirtmgmt
network

Hi
Same problem still..
/Sverker

Den 2016-12-29 kl. 13:34, skrev Marcin Mirecki:

Hi,

The tunnels are created to connect multiple OVN controllers.
If there is only one, there is no need for the tunnels, so none
will be created, this is the correct behavior.

Does the problem still occur after setting configuring the
OVN-controller?

Marcin

- Original Message -

From: "Sverker Abrahamsson"
To: "Marcin Mirecki"
Cc: "Ovirt Users"
Sent: Thursday, December 29, 2016 11:44:32 AM
Subject: Re: [ovirt-users] Issue with OVN/OVS and mandatory
ovirtmgmt
network

Hi
The rpm packages you listed in the other mail are installed but I
had
not run vdsm-tool ovn-config to create tunnel as the OVN controller
is
on the same host.

[root@h2 ~]# rpm -q openvswitch-ovn-common
openvswitch-ovn-common-2.6.90-1.el7.centos.x86_64
[root@h2 ~]# rpm -q openvswitch-ovn-host
openvswitch-ovn-host-2.6.90-1.el7.centos.x86_64
[root@h2 ~]# rpm -q python-openvswitch
python-openvswitch-2.6.90-1.el7.centos.noarch

Re: [ovirt-users] Issues with RHV 4.1

[knarra]

Please ignore this mail. sorry for the chaos caused :-(

On 12/30/2016 03:52 PM, knarra wrote:

Hi,

I have latest RHV 4.1 installed on HC stack. My app vms  runs on 
Host1 and HE vm runs on  Host2. I have a test case where i bring down 
glusternw on Host1 and i expect all app vms to be migrated to another 
node. But when i am running the above said test case i  run into 
following issues.


1) I expect HE vm not to go down since everything works fine on the 
host where HE vm is running. But i see that HE vm goes down and comes 
up back. Why does this happen?


2) Some times i see that Host where HE vm runs  restarts and I am not 
sure why does it reboot. I checked  /var/log/messages and i see the 
errors below but still unable to figure out why the system restarts. 
Due to this i see that HE VM is unavailable for some time.


https://paste.fedoraproject.org/514976/83092116/

Any idea why the host system reboots here?

3) I see another issue being logged there related to 
ovirt-imageio-daemon thought not relevant to the above test case.


https://paste.fedoraproject.org/514978/83092677/

why does it throw IO error and why is this Traceback logged ?

Thanks

kasturi.



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http://lists.ovirt.org/mailman/listinfo/users

[ovirt-users] Issues with RHV 4.1

[knarra]

Hi,

I have latest RHV 4.1 installed on HC stack. My app vms  runs on 
Host1 and HE vm runs on  Host2. I have a test case where i bring down 
glusternw on Host1 and i expect all app vms to be migrated to another 
node. But when i am running the above said test case i  run into 
following issues.


1) I expect HE vm not to go down since everything works fine on the host 
where HE vm is running. But i see that HE vm goes down and comes up 
back. Why does this happen?


2) Some times i see that Host where HE vm runs  restarts and I am not 
sure why does it reboot. I checked  /var/log/messages and i see the 
errors below but still unable to figure out why the system restarts. Due 
to this i see that HE VM is unavailable for some time.


https://paste.fedoraproject.org/514976/83092116/

Any idea why the host system reboots here?

3) I see another issue being logged there related to 
ovirt-imageio-daemon thought not relevant to the above test case.


https://paste.fedoraproject.org/514978/83092677/

why does it throw IO error and why is this Traceback logged ?

Thanks

kasturi.



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[ovirt-users] How to invoke ovirt-guest-agent hook from ovirt engine SDK ?

[TranceWorldLogic .]

HI,

I was exploring more about ovirt-gueste-engin.
It look to me very easy to configure add add hook as script.

But my doubt is, how to invoke those script from ovirt-engine ?
Please some one help me to understand this part.
I am looking into python SDK code to figure out same but still not got luck

Thanks,
~Rohit
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Re: [ovirt-users] Issue with OVN/OVS and mandatory ovirtmgmt network

[Marcin Mirecki]

Sverker,

br-int is the integration bridge created by default in OVN. This is the
bridge we use for the OVN provider. As OVN is required to be installed,
we assume that this bridge is present.
Using any other ovs bridge is not supported, and will require custom code
changes (such as the ones you created).

The proper setup in your case would probably be to create br-int and connect
this to your ovirtbridge, although I don't know the details of your env, so
this is just my best guess.

Marcin


- Original Message -
> From: "Sverker Abrahamsson" 
> To: "Marcin Mirecki" 
> Cc: "Ovirt Users" , "Numan Siddique" 
> Sent: Friday, December 30, 2016 1:14:50 AM
> Subject: Re: [ovirt-users] Issue with OVN/OVS and mandatory ovirtmgmt network
> 
> Even better, if the value is not hardcoded then the configured value is
> used. Might be that I'm missunderstanding something but this is the
> behaviour I expected instead of that it is using br-int.
> 
> Attached is a patch which properly sets up the xml, in case there is
> already a virtual port there + testcode of some variants
> 
> /Sverker
> 
> Den 2016-12-29 kl. 22:55, skrev Sverker Abrahamsson:
> >
> > When I change
> > /usr/libexec/vdsm/hooks/before_device_create/ovirt_provider_ovn_hook
> > to instead of hardcoded to br-int use BRIDGE_NAME = 'ovirtbridge' then
> > I get the expected behaviour and I get a working network connectivity
> > in my VM with IP provided by dhcp.
> >
> > /Sverker
> >
> > Den 2016-12-29 kl. 22:07, skrev Sverker Abrahamsson:
> >>
> >> By default the vNic profile of my OVN bridge ovirtbridge gets a
> >> Network filter named vdsm-no-mac-spoofing. If I instead set No filter
> >> then I don't get those ebtables / iptables messages. It seems that
> >> there is some issue between ovirt/vdsm and firewalld, which we can
> >> put to the side for now.
> >>
> >> It is not clear for me why the port is added on br-int instead of the
> >> bridge I've assigned to the VM, which is ovirtbridge??
> >>
> >> /Sverker
> >>
> >> Den 2016-12-29 kl. 14:20, skrev Sverker Abrahamsson:
> >>>
> >>> The specific command most likely fails because there is no chain
> >>> named libvirt-J-vnet0, but when should that have been created?
> >>> /Sverker
> >>>
> >>>  Vidarebefordrat meddelande 
> >>> Ämne: Re: [ovirt-users] Issue with OVN/OVS and mandatory ovirtmgmt
> >>> network
> >>> Datum:Thu, 29 Dec 2016 08:06:29 -0500 (EST)
> >>> Från: Marcin Mirecki 
> >>> Till: Sverker Abrahamsson 
> >>> Kopia:Ovirt Users , Lance Richardson
> >>> , Numan Siddique 
> >>>
> >>>
> >>>
> >>> Let me add the OVN team.
> >>>
> >>> Lance, Numan,
> >>>
> >>> Can you please look at this?
> >>>
> >>> Trying to plug a vNIC results in:
> >>> > >> Dec 28 23:31:35 h2 ovs-vsctl: ovs|1|vsctl|INFO|Called as
> >>> > >> ovs-vsctl
> >>> > >> --timeout=5 -- --if-exists del-port vnet0 -- add-port br-int
> >>> > >> vnet0 --
> >>> > >> set Interface vnet0
> >>> > >> "external-ids:attached-mac=\"00:1a:4a:16:01:51\""
> >>> > >> -- set Interface vnet0
> >>> > >> "external-ids:iface-id=\"e8853aac-8a75-41b0-8010-e630017dcdd8\""
> >>> > >> --
> >>> > >> set Interface vnet0
> >>> > >> "external-ids:vm-id=\"b9440d60-ef5a-4e2b-83cf-081df7c09e6f\"" --
> >>> > >> set
> >>> > >> Interface vnet0 external-ids:iface-status=active
> >>> > >> Dec 28 23:31:35 h2 kernel: device vnet0 entered promiscuous mode
> >>> > >> Dec 28 23:31:35 h2 firewalld: WARNING: COMMAND_FAILED:
> >>> > >> '/usr/sbin/ebtables --concurrent -t nat -D PREROUTING -i vnet0
> >>> > >> -j
> >>> > >> libvirt-J-vnet0' failed:
> >>> > >> Dec 28 23:31:35 h2 firewalld: WARNING: COMMAND_FAILED:
> >>>
> >>> More details below
> >>>
> >>>
> >>> - Original Message -
> >>> > From: "Sverker Abrahamsson"
> >>> > To: "Marcin Mirecki"
> >>> > Cc: "Ovirt Users"
> >>> > Sent: Thursday, December 29, 2016 1:42:11 PM
> >>> > Subject: Re: [ovirt-users] Issue with OVN/OVS and mandatory ovirtmgmt
> >>> > network
> >>> >
> >>> > Hi
> >>> > Same problem still..
> >>> > /Sverker
> >>> >
> >>> > Den 2016-12-29 kl. 13:34, skrev Marcin Mirecki:
> >>> > > Hi,
> >>> > >
> >>> > > The tunnels are created to connect multiple OVN controllers.
> >>> > > If there is only one, there is no need for the tunnels, so none
> >>> > > will be created, this is the correct behavior.
> >>> > >
> >>> > > Does the problem still occur after setting configuring the
> >>> > > OVN-controller?
> >>> > >
> >>> > > Marcin
> >>> > >
> >>> > > - Original Message -
> >>> > >> From: "Sverker Abrahamsson"
> >>> > >> To: "Marcin Mirecki"
> >>> > >> Cc: "Ovirt Users"
> >>> > >>