Re: [ovirt-users] How can I to add RAM to Hosted Engine VM?

[aleksey . maksimov]

Thank you, Roy. It works. Just do not understand why this information is not available in the online documentation. 25.09.2016, 09:14, "Roy Golan" :You need to edit the vm in the webui and increase the memory there. The next cold boot of the machine will load it with the new config. Do note that the engine has an interval which triggers the creation of the new vm.conf. The interval config item can be checked using ```engine-config -g OvfUpdateIntervalInMinutes``` the vm.conf under the host is now always and extraction of the configuration saved under your hosted_storage domain On 24 September 2016 at 19:57,  wrote:My HE VM stored on FC Storage24.09.2016, 19:51, "Logan Kuhn" :> Sorry hit send too quickly.>> Move the shared storage version out of the way if you can. In my instance it was just an NFS volume so it wasn't too hard to move it.>> Regards,> Logan>> - On Sep 24, 2016, at 11:50 AM, Logan Kuhn log...@wolfram.com wrote:>> | I believe you can do it by editing this file:> | /var/run/ovirt-hosted-engine-ha/vm.conf and then restarting the vm> |> | Regards,> | Logan> |> | - On Sep 24, 2016, at 10:13 AM, aleksey maksimov aleksey.maksi...@it-kb.ru> | wrote:> |> || Hello oVirt guru`s !> ||> || How can I to add RAM to Hosted Engine VM?> || Solution from "Fix: The recovery flow is:..." in> || https://bugzilla.redhat.com/show_bug.cgi?id=1309572 not working.> ||> || oVirt Engine Version: 4.0.3-1.el7.centos> || ___> || Users mailing list> || Users@ovirt.org> | | http://lists.ovirt.org/mailman/listinfo/users___Users mailing listUsers@ovirt.orghttp://lists.ovirt.org/mailman/listinfo/users___
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[ovirt-users] RHSA-2016-1756 - live migration issues

[Markus Stockhausen]

Hi there.

several Redhat BZs are currently targeting a live migration error with current 
qemu 2.3/2.6 versions. From my understanding BZ1359731 trie to fix a queue
overflow issue. With the patch in place qemu might abort randomly during
live migration. BZ1372763 provides info about additional patches to fix the
fix.

Can someone with deeper knowledge explain how seriously OVirt 4.0.4 with 
qemu 2.3.0-31_2.21 is affected. Form my understanding it has the initial
(errorneous) but not the final fix. Also it does not get clear from the BZs how 
often or how randomly the crash occurs.

Thanks in advance.

Markus

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Re: [ovirt-users] Assigned ipv6 vm addreses

[Yevgeny Zaspitsky]

Adding users list back (my fault ;-) )

On Sun, Sep 25, 2016 at 4:20 PM, Allen Warren 
wrote:

> Thanks for the reply.  I figured it out yesterday.  I just edited the VM
> Custom Mac Address and it works like a champ now...
> I will setup that range and it should be good to go..  I am running oVirt
> 4.0..  oVirt is a nice product, beats the heck out of Xen Server..
>
> On Sun, Sep 25, 2016 at 6:57 AM, Yevgeny Zaspitsky 
> wrote:
>
>> oVirt does not produce IP addresses, but it allocates MAC addresses to
>> vNics on VMs it creates.
>> A MAC address serves as the base for an IPv6 address allocation (either
>> by IPv6 router advertisement for global addresses or by an operation system
>> for local addresses).
>>
>> BTW, 2 vNics with the same MAC address in the same LAN, would cause layer
>> 2 (Ethernet) malfunctioning too.
>>
>> In order to make the 2 oVirt's produce different MAC addresses you need
>> to adjust the definition of the MAC-pool ranges to be non-overlapping each
>> to another.
>> You could find MAC-pool definitions under a DC definitions in v4.0 and
>> under a cluster in v4.1.
>>
>> Regards,
>> Yevgeny
>>
>> On Sat, Sep 24, 2016 at 5:44 PM, Allen Warren 
>> wrote:
>>
>>> I have two oVirt servers running as local servers on the same network.
>>> How do I prevent the servers from creating the same ipv6 address for two
>>> different vm's. If I start a vm on the first server and then start one on
>>> the second server the ipv6 addresses are the same..
>>>
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>>
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Re: [ovirt-users] How to add the clean-traffic network-filter to a guest

[Troels Arvin]

Edward Haas wrote:
> In 4.0 you can set this in the vnic profile (per network).
> 
> With 3.6, you will need to create a hook to do it.

Thanks - it sounds like a very good reason for an upgrade, then.

-- 
Regards,
Troels Arvin

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Re: [ovirt-users] quota creation from ovirt-shell

[Staniforth, Paul]

Thanks, I've got it to work in python, just need to work out how to 
change/update them now.
I'm in just get the job done mode at present so it's not the most elegant code.

Paul S.

From: Doron Fediuck [dfedi...@redhat.com]
Sent: 25 September 2016 07:30
To: Staniforth, Paul
Cc: Andrej Krejcir; users@ovirt.org
Subject: Re: [ovirt-users] quota creation from ovirt-shell

On Tue, Sep 20, 2016 at 2:00 PM, Staniforth, Paul 
mailto:p.stanifo...@leedsbeckett.ac.uk>> wrote:
Thanks Andrej,
it gives me another reason to learn python. I 
will try but things are a little hectic at the moment as it's induction week at 
our University.

Paul. you can also use Java or Ruby instead of Python.


Regards,
 Paul S.

From: Andrej Krejcir mailto:akrej...@redhat.com>>
Sent: 20 September 2016 10:44
To: Staniforth, Paul
Cc: users@ovirt.org
Subject: Re: [ovirt-users] quota creation from ovirt-shell

Hi,

there is a bug in the ovirt-cli, which makes creating quotaclusterlimit and 
quotastoragelimit impossible.

The correct syntax would be:
add quotastoragelimit --parent-datacenter-name Default --parent-quota-name 
testcli ...

You could use a python script with the SDK instead.
For example:


from ovirtsdk.api import API
from ovirtsdk.xml.params import Quota
from ovirtsdk.xml.params import QuotaStorageLimit

api = API('IP:PORT/ovirt-engine/api', 'admin@internal', 'pass')
dc = api.datacenters.list()[0]
quota = dc.quotas.add(Quota(name="quota1"))
quota.quotastoragelimits.add(QuotaStorageLimit(limit=100))



Regards,
Andrej

- Original Message -
From: "Paul Staniforth" 
mailto:p.stanifo...@leedsbeckett.ac.uk>>
To: users@ovirt.org
Sent: Monday, September 12, 2016 6:00:50 PM
Subject: [ovirt-users] quota creation from ovirt-shell



Hello,

I am trying to create user quotas from the command line via the shell.




I am using ovirt 3.6.7 and the command




add quota --parent-datacenter-name Default --name testcli




creates a quota but without quotaclusterlimit or quotastoragelimit




I can't find the correct syntax to create these.




Also how would I add a consumer and change the values when created?




Any examples or pointers to documentation would be appreciated.




Thanks,

Paul S.
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Re: [ovirt-users] How to add the clean-traffic network-filter to a guest

[Michael Burman]

Hi

You can check this feature page to configure network filter per vNIC
profile on 4.0
https://www.ovirt.org/feature/networkfilter/

Thanks

On Sun, Sep 25, 2016 at 3:36 PM, Edward Haas  wrote:

>
>
> On Sun, Sep 25, 2016 at 11:17 AM, Troels Arvin  wrote:
>
>> I would like to minimize the risk of virtual servers harming each other.
>> As part of this, I would like to prevent them from changing their IP
>> address to something different from what they are expected to have. In
>> other words, I would like to prevent IP address spoofing in the guests.
>> And I want to be able to do this without having to assign a different VLAN
>> to each guest.
>>
>> Setup: RHEV 3.6 with RH7-based RHEV-H hypervisor hosts.
>>
>> Using virsh -r dumpxml   on a host, I can see that the guests
>> have the "vdsm-no-mac-spoofing" network filter active for the virtual
>> network interface.
>>
>> But what if I want the "clean-traffic" filter to be active for the
>> guests, as well (or instead): Is there a way to accomplish that in the
>> RHEV-M/oVirt management interface? If so: Where's the option(s) to be
>> found in the management interface? Can it be done globally, i.e. as a
>> default when guests are started?
>>
>>
> In 4.0 you can set this in the vnic profile (per network).
>
> With 3.6, you will need to create a hook to do it.
> See https://github.com/oVirt/vdsm/tree/master/vdsm_hooks/macspoof to get
> an idea how you could do it.
>
>
>> --
>> Regards,
>> Troels Arvin
>>
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>
>
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>


-- 
Michael Burman
RedHat Israel, RHEV-M QE Network Team

Mobile: 054-5355725
IRC: mburman
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Re: [ovirt-users] How to add the clean-traffic network-filter to a guest

[Edward Haas]

On Sun, Sep 25, 2016 at 11:17 AM, Troels Arvin  wrote:

> I would like to minimize the risk of virtual servers harming each other.
> As part of this, I would like to prevent them from changing their IP
> address to something different from what they are expected to have. In
> other words, I would like to prevent IP address spoofing in the guests.
> And I want to be able to do this without having to assign a different VLAN
> to each guest.
>
> Setup: RHEV 3.6 with RH7-based RHEV-H hypervisor hosts.
>
> Using virsh -r dumpxml   on a host, I can see that the guests
> have the "vdsm-no-mac-spoofing" network filter active for the virtual
> network interface.
>
> But what if I want the "clean-traffic" filter to be active for the
> guests, as well (or instead): Is there a way to accomplish that in the
> RHEV-M/oVirt management interface? If so: Where's the option(s) to be
> found in the management interface? Can it be done globally, i.e. as a
> default when guests are started?
>
>
In 4.0 you can set this in the vnic profile (per network).

With 3.6, you will need to create a hook to do it.
See https://github.com/oVirt/vdsm/tree/master/vdsm_hooks/macspoof to get
an idea how you could do it.


> --
> Regards,
> Troels Arvin
>
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Re: [ovirt-users] Question about Bridge and macvtap

[Edward Haas]

On Thu, Sep 22, 2016 at 5:55 PM, Fernando Frediani <
fernando.fredi...@upx.com.br> wrote:

> Hi.
>
> Quick question between Linux Bridge which is used by default in oVirt and
> macvtap which can be used in libvirt/KVM.
>
> What are the downsides or limitations of using macvtap ? Does it have any
> significa performance improvement over bridge ?
>
> Thanks
>
> Fernando
>
>
In theory, using a macvtap instead of a bridge is supposed to provide a
better utilization.
It mainly depends if you reach your system limits and where.
We have not done such tests. If you will manage to do some, it will be
great if you'll share your results.

macvtap, like macvlan has some specific traffic flow definitions:
http://virt.kernelnewbies.org/MacVTap
I guess one of the limitations it presents, is the ability to control
traffic between vnics that connect to the same host nic.
In a bridge mode, traffic between such vnics will not be seen at the host
at all, while in a VEPA mode such traffic will not
be routed at all (unless special measures are taken).



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[ovirt-users] How to add the clean-traffic network-filter to a guest

[Troels Arvin]

I would like to minimize the risk of virtual servers harming each other. 
As part of this, I would like to prevent them from changing their IP 
address to something different from what they are expected to have. In 
other words, I would like to prevent IP address spoofing in the guests. 
And I want to be able to do this without having to assign a different VLAN 
to each guest.

Setup: RHEV 3.6 with RH7-based RHEV-H hypervisor hosts.

Using virsh -r dumpxml   on a host, I can see that the guests 
have the "vdsm-no-mac-spoofing" network filter active for the virtual 
network interface.

But what if I want the "clean-traffic" filter to be active for the 
guests, as well (or instead): Is there a way to accomplish that in the 
RHEV-M/oVirt management interface? If so: Where's the option(s) to be 
found in the management interface? Can it be done globally, i.e. as a 
default when guests are started?

-- 
Regards,
Troels Arvin

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[ovirt-users] Assigned ipv6 vm addreses

[Allen Warren]

I have two oVirt servers running as local servers on the same network. How
do I prevent the servers from creating the same ipv6 address for two
different vm's. If I start a vm on the first server and then start one on
the second server the ipv6 addresses are the same..
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[ovirt-users] oVirt End User Tutorials

[Nate T. Llaneza]

Hey All,

I am really enjoying oVirt, and would like to give back. I am building some 
oVirt tutorials for a community college, and thought I would share them with 
y'all. Right now the videos are geared towards helping the end user navigate 
through the user portal.

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[ovirt-users] oVirt End User Tutorials - Attempt 2

[Nate T. Llaneza]

Hey All,

I am really enjoying oVirt, and would like to give back. I am building some 
oVirt tutorials for a community college, and thought I would share them with 
y'all. Right now the videos are geared towards helping the end user navigate 
through the user portal. Here is the link: http://www.citsnc.com/?page_id=542

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Re: [ovirt-users] Storage

[Elad Ben Aharon]

Have you configured the quota to 'Enforced'?

On Fri, Sep 23, 2016 at 12:15 PM, Budur Nagaraju  wrote:

> Hi
>
> I have storage of 2TB lun and only 90 GB is free ,when I set  a qouta
> limit to 1800GB , it showing the 300GB  available  free space , any configs
> am missing ?
>
> Thanks,
> Nagaraju
>
>
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