Re: [ovirt-users] oVirt Gluster Hyperconverged problem

[knarra]

Hi,

Pad [1] contains the procedure to replace the host with same FQDN 
where existing host OS has to be re-installed.


[1] https://paste.fedoraproject.org/431252/47435076/

Thanks
kasturi.

On 09/20/2016 06:27 AM, Hanson wrote:

Hi Guys,

I encountered an unfortunate circumstance today. Possibly an achillies 
heel.


I have three hypervisors, HV1, HV2, HV3, all running gluster for 
hosted engine support. Individually they all pointed to 
HV1:/hosted_engine with backupvol=HV2,HV3...


HV1 lost its bootsector, which was discovered upon a reboot. This had 
zero impact, as designed, on the VM's.


However, now that HV1 is down, how does one go about replacing the 
original HV? The backup servers point to HV1, and you cannot readd the 
HV through the GUI, and the CLI will not readd it as it's already 
there... you cannot remove it as it is down in the GUI...


Pointing the other HV's to their own storage may make sense for 
multiple instances of the hosted_engine, however it's nice that the 
gluster volumes are replicated and that one VM can be relaunched when 
a HV error is detected. It's also consuming less resources.



What's the procedure to replace the original VM?



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[ovirt-users] R: Re: Setting compatibility level on 3.6

[fedele.stabile]

Problem is can'tuse change compatibilità in the cluster because engine is 
running.
 Messaggio originale Da: Yaniv Dary  Data: 
20/09/16  00:29  (GMT+01:00) A: fedele.stab...@fis.unical.it Cc: users 
 Oggetto: Re: [ovirt-users] Setting compatibility level on 3.6 
You can't mess with the cluster level. It's a recipe for trouble. Please 
upgrade the cluster compatibility via manager. 

What is the issues with doing this you have? 
Yaniv Dary

Technical Product Manager

Red Hat Israel Ltd.

34 Jerusalem Road

Building A, 4th floor

Ra'anana, Israel 4350109
Tel : +972 (9) 7692306

    8272306

Email: yd...@redhat.com

IRC : ydary

On Sep 19, 2016 6:36 PM, "Fedele Stabile"  wrote:
Ah,

I want to migrate to ovirt 4.x and I read that I have to change the

compatibily level of the cluster.



Il giorno lun, 19/09/2016 alle 17.31 +0200, Fedele Stabile ha scritto:

> Hello,

> I have ovirt-release36-3.6.7-1 and ovirt-engine-setup-3.6.7.5-

> 1.el7.centos

> and I can't find cluster table in the DB engine to force to

> compatibility version 3.6

> as described in https://bugzilla.redhat.com/show_bug.cgi?id=1341023

> infact I have HostedEngine running on a cluster and I can't change

> it's

> compatibility.

> Can you help me?

>

>

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> Users@ovirt.org

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



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[ovirt-users] oVirt Gluster Hyperconverged problem

[Hanson]

Hi Guys,

I encountered an unfortunate circumstance today. Possibly an achillies 
heel.


I have three hypervisors, HV1, HV2, HV3, all running gluster for hosted 
engine support. Individually they all pointed to HV1:/hosted_engine with 
backupvol=HV2,HV3...


HV1 lost its bootsector, which was discovered upon a reboot. This had 
zero impact, as designed, on the VM's.


However, now that HV1 is down, how does one go about replacing the 
original HV? The backup servers point to HV1, and you cannot readd the 
HV through the GUI, and the CLI will not readd it as it's already 
there... you cannot remove it as it is down in the GUI...


Pointing the other HV's to their own storage may make sense for multiple 
instances of the hosted_engine, however it's nice that the gluster 
volumes are replicated and that one VM can be relaunched when a HV error 
is detected. It's also consuming less resources.



What's the procedure to replace the original VM?



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Re: [ovirt-users] Setting compatibility level on 3.6

[Yaniv Dary]

You can't mess with the cluster level. It's a recipe for trouble. Please
upgrade the cluster compatibility via manager.
What is the issues with doing this you have?

Yaniv Dary
Technical Product Manager
Red Hat Israel Ltd.
34 Jerusalem Road
Building A, 4th floor
Ra'anana, Israel 4350109

Tel : +972 (9) 7692306
8272306
Email: yd...@redhat.com
IRC : ydary

On Sep 19, 2016 6:36 PM, "Fedele Stabile" 
wrote:

> Ah,
> I want to migrate to ovirt 4.x and I read that I have to change the
> compatibily level of the cluster.
>
> Il giorno lun, 19/09/2016 alle 17.31 +0200, Fedele Stabile ha scritto:
> > Hello,
> > I have ovirt-release36-3.6.7-1 and ovirt-engine-setup-3.6.7.5-
> > 1.el7.centos
> > and I can't find cluster table in the DB engine to force to
> > compatibility version 3.6
> > as described in https://bugzilla.redhat.com/show_bug.cgi?id=1341023
> > infact I have HostedEngine running on a cluster and I can't change
> > it's
> > compatibility.
> > Can you help me?
> >
> >
> > ___
> > Users mailing list
> > Users@ovirt.org
> > http://lists.ovirt.org/mailman/listinfo/users
>
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Re: [ovirt-users] Self Hosted Engine - Migrate to another host

[Maton, Brett]

Redeployed both additional hosts with hosted -> deploy set to on as per the
image you attached to Logans thread, that has solved my 'immovable' hosted
engine problem.

Thanks

On 19 September 2016 at 21:09, Maton, Brett 
wrote:

> Ok,
>
>   I've been watching Logan's thread as well, I think I just found the
> hosted engine bit at the bottom of the new host dialog.
>
>   I've removed a host and am just redeploying...
>
> On 19 September 2016 at 20:56, Maton, Brett 
> wrote:
>
>>
>> Did you deployed the additional hosted-engine hosts from the engine?
>>
>> I deployed the additional hosts using the web-ui ?
>>
>> On 19 September 2016 at 20:48, Simone Tiraboschi 
>> wrote:
>>
>>>
>>>
>>> On Mon, Sep 19, 2016 at 6:58 PM, Maton, Brett 
>>> wrote:
>>>
 Hi,

I deployed a new cluster following this guide
 https://www.ovirt.org/documentation/how-to/hosted-engine/#fresh-install

   Which are after a few failed attempts, finally seems to be up and
 running.

   I have added a couple of additional hosts to the cluster through the
 web0ui , but I can't update the current 'self hosting' host as the
 hosted-engine refuses to migrate.

 HostedEngine:

- Cannot migrate VM. There is no host that satisfies current
scheduling constraints. See below for details:
- The host 3 did not satisfy internal filter HA because it is not a
Hosted Engine host..
- The host 2 did not satisfy internal filter HA because it is not a
Hosted Engine host..

 Did you deployed the additional hosted-engine hosts from the engine?
>>> Could you please connect to that hosts and execute:
>>>  hosted-engine --set-maintenance --mode=none
>>>
>>> You probably hit this one:
>>> https://bugzilla.redhat.com/show_bug.cgi?id=1353600
>>>
>>>
>>>

- The host 1 did not satisfy internal filter Migration because it
currently hosts the VM..

 I trawled google for awhile and found this post
 https://www.mail-archive.com/users@ovirt.org/msg34847.html

 So I tried to enable 'HA Reservation', but I can't because host '1'
 can't be put into maintenance mode because HE can't migrate

 ___
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 Users@ovirt.org
 http://lists.ovirt.org/mailman/listinfo/users


>>>
>>
>
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Re: [ovirt-users] Self Hosted Engine - Migrate to another host

[Maton, Brett]

Ok,

  I've been watching Logan's thread as well, I think I just found the
hosted engine bit at the bottom of the new host dialog.

  I've removed a host and am just redeploying...

On 19 September 2016 at 20:56, Maton, Brett 
wrote:

>
> Did you deployed the additional hosted-engine hosts from the engine?
>
> I deployed the additional hosts using the web-ui ?
>
> On 19 September 2016 at 20:48, Simone Tiraboschi 
> wrote:
>
>>
>>
>> On Mon, Sep 19, 2016 at 6:58 PM, Maton, Brett 
>> wrote:
>>
>>> Hi,
>>>
>>>I deployed a new cluster following this guide
>>> https://www.ovirt.org/documentation/how-to/hosted-engine/#fresh-install
>>>
>>>   Which are after a few failed attempts, finally seems to be up and
>>> running.
>>>
>>>   I have added a couple of additional hosts to the cluster through the
>>> web0ui , but I can't update the current 'self hosting' host as the
>>> hosted-engine refuses to migrate.
>>>
>>> HostedEngine:
>>>
>>>- Cannot migrate VM. There is no host that satisfies current
>>>scheduling constraints. See below for details:
>>>- The host 3 did not satisfy internal filter HA because it is not a
>>>Hosted Engine host..
>>>- The host 2 did not satisfy internal filter HA because it is not a
>>>Hosted Engine host..
>>>
>>> Did you deployed the additional hosted-engine hosts from the engine?
>> Could you please connect to that hosts and execute:
>>  hosted-engine --set-maintenance --mode=none
>>
>> You probably hit this one:
>> https://bugzilla.redhat.com/show_bug.cgi?id=1353600
>>
>>
>>
>>>
>>>- The host 1 did not satisfy internal filter Migration because it
>>>currently hosts the VM..
>>>
>>> I trawled google for awhile and found this post
>>> https://www.mail-archive.com/users@ovirt.org/msg34847.html
>>>
>>> So I tried to enable 'HA Reservation', but I can't because host '1'
>>> can't be put into maintenance mode because HE can't migrate
>>>
>>> ___
>>> Users mailing list
>>> Users@ovirt.org
>>> http://lists.ovirt.org/mailman/listinfo/users
>>>
>>>
>>
>
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Re: [ovirt-users] Self Hosted Engine - Migrate to another host

[Simone Tiraboschi]

On Mon, Sep 19, 2016 at 9:56 PM, Maton, Brett 
wrote:

>
> Did you deployed the additional hosted-engine hosts from the engine?
>
> I deployed the additional hosts using the web-ui ?
>

OK, please try directly exiting the local maintenance mode on the HE hosts.


>
> On 19 September 2016 at 20:48, Simone Tiraboschi 
> wrote:
>
>>
>>
>> On Mon, Sep 19, 2016 at 6:58 PM, Maton, Brett 
>> wrote:
>>
>>> Hi,
>>>
>>>I deployed a new cluster following this guide
>>> https://www.ovirt.org/documentation/how-to/hosted-engine/#fresh-install
>>>
>>>   Which are after a few failed attempts, finally seems to be up and
>>> running.
>>>
>>>   I have added a couple of additional hosts to the cluster through the
>>> web0ui , but I can't update the current 'self hosting' host as the
>>> hosted-engine refuses to migrate.
>>>
>>> HostedEngine:
>>>
>>>- Cannot migrate VM. There is no host that satisfies current
>>>scheduling constraints. See below for details:
>>>- The host 3 did not satisfy internal filter HA because it is not a
>>>Hosted Engine host..
>>>- The host 2 did not satisfy internal filter HA because it is not a
>>>Hosted Engine host..
>>>
>>> Did you deployed the additional hosted-engine hosts from the engine?
>> Could you please connect to that hosts and execute:
>>  hosted-engine --set-maintenance --mode=none
>>
>> You probably hit this one:
>> https://bugzilla.redhat.com/show_bug.cgi?id=1353600
>>
>>
>>
>>>
>>>- The host 1 did not satisfy internal filter Migration because it
>>>currently hosts the VM..
>>>
>>> I trawled google for awhile and found this post
>>> https://www.mail-archive.com/users@ovirt.org/msg34847.html
>>>
>>> So I tried to enable 'HA Reservation', but I can't because host '1'
>>> can't be put into maintenance mode because HE can't migrate
>>>
>>> ___
>>> Users mailing list
>>> Users@ovirt.org
>>> http://lists.ovirt.org/mailman/listinfo/users
>>>
>>>
>>
>
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Re: [ovirt-users] Error during additional hosted engine deployment

[Simone Tiraboschi]

On Mon, Sep 19, 2016 at 9:58 PM, Logan Kuhn  wrote:

> Hm, I bet it's because the original install was via engine-setup instead
> of hosted-engine --deploy  ?
>

Did it imported the hosted-engine storage domain and the engine VM?


>
> Regards,
> Logan
>
> - On Sep 19, 2016, at 2:44 PM, Simone Tiraboschi 
> wrote:
>
>
>
> On Mon, Sep 19, 2016 at 6:59 PM, Logan Kuhn  wrote:
>
>> When I try to deploy a second hosted engine it errors out at Environment,
>> items.  Full log attached.
>>
>> The host I'm deploying to is actually going to end up being our
>> production instance of the image.  I've also tried to install it on a
>> currently configured VM host with the exact same error message.
>>
>> Regards,
>> Logan
>>
>
> Hi Logan,
> could you please try with http://resources.ovirt.
> org/pub/ovirt-4.0-pre/rpm/el7/noarch/ovirt-hosted-engine-ha-
> 2.0.4-1.el7.centos.noarch.rpm from 4.0.3 RC3?
>
> Patch https://gerrit.ovirt.org/#/c/63001/ should also address your issue.
>
> In general with 4.0 I'd strongly suggest to deploy additional
> hosted-engine hosts directly from the engine web admin instead of using
> hosted-engine-setup also there.
>
>
>
>>
>> ___
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>> http://lists.ovirt.org/mailman/listinfo/users
>>
>>
>
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Re: [ovirt-users] Error during additional hosted engine deployment

[Logan Kuhn]

Hm, I bet it's because the original install was via engine-setup instead of 
hosted-engine --deploy  ? 

Regards, 
Logan 

- On Sep 19, 2016, at 2:44 PM, Simone Tiraboschi  
wrote: 

| On Mon, Sep 19, 2016 at 6:59 PM, Logan Kuhn < log...@wolfram.com > wrote:

|| When I try to deploy a second hosted engine it errors out at Environment, 
items.
|| Full log attached.

|| The host I'm deploying to is actually going to end up being our production
|| instance of the image. I've also tried to install it on a currently 
configured
|| VM host with the exact same error message.

|| Regards,
|| Logan

| Hi Logan,
| could you please try with
| 
http://resources.ovirt.org/pub/ovirt-4.0-pre/rpm/el7/noarch/ovirt-hosted-engine-ha-2.0.4-1.el7.centos.noarch.rpm
| from 4.0.3 RC3?

| Patch https://gerrit.ovirt.org/#/c/63001/ should also address your issue.

| In general with 4.0 I'd strongly suggest to deploy additional hosted-engine
| hosts directly from the engine web admin instead of using hosted-engine-setup
| also there.

|| ___
|| Users mailing list
|| Users@ovirt.org
|| http://lists.ovirt.org/mailman/listinfo/users
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Re: [ovirt-users] Self Hosted Engine - Migrate to another host

[Maton, Brett]

Did you deployed the additional hosted-engine hosts from the engine?

I deployed the additional hosts using the web-ui ?

On 19 September 2016 at 20:48, Simone Tiraboschi 
wrote:

>
>
> On Mon, Sep 19, 2016 at 6:58 PM, Maton, Brett 
> wrote:
>
>> Hi,
>>
>>I deployed a new cluster following this guide
>> https://www.ovirt.org/documentation/how-to/hosted-engine/#fresh-install
>>
>>   Which are after a few failed attempts, finally seems to be up and
>> running.
>>
>>   I have added a couple of additional hosts to the cluster through the
>> web0ui , but I can't update the current 'self hosting' host as the
>> hosted-engine refuses to migrate.
>>
>> HostedEngine:
>>
>>- Cannot migrate VM. There is no host that satisfies current
>>scheduling constraints. See below for details:
>>- The host 3 did not satisfy internal filter HA because it is not a
>>Hosted Engine host..
>>- The host 2 did not satisfy internal filter HA because it is not a
>>Hosted Engine host..
>>
>> Did you deployed the additional hosted-engine hosts from the engine?
> Could you please connect to that hosts and execute:
>  hosted-engine --set-maintenance --mode=none
>
> You probably hit this one:
> https://bugzilla.redhat.com/show_bug.cgi?id=1353600
>
>
>
>>
>>- The host 1 did not satisfy internal filter Migration because it
>>currently hosts the VM..
>>
>> I trawled google for awhile and found this post
>> https://www.mail-archive.com/users@ovirt.org/msg34847.html
>>
>> So I tried to enable 'HA Reservation', but I can't because host '1' can't
>> be put into maintenance mode because HE can't migrate
>>
>> ___
>> Users mailing list
>> Users@ovirt.org
>> http://lists.ovirt.org/mailman/listinfo/users
>>
>>
>
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Re: [ovirt-users] Error during additional hosted engine deployment

[Logan Kuhn]

I understand and I would prefer that as well, but for the life of me I cannot 
seem to find where that is available in the web admin. 

Regards, 
Logan 

- On Sep 19, 2016, at 2:44 PM, Simone Tiraboschi  
wrote: 

| On Mon, Sep 19, 2016 at 6:59 PM, Logan Kuhn < log...@wolfram.com > wrote:

|| When I try to deploy a second hosted engine it errors out at Environment, 
items.
|| Full log attached.

|| The host I'm deploying to is actually going to end up being our production
|| instance of the image. I've also tried to install it on a currently 
configured
|| VM host with the exact same error message.

|| Regards,
|| Logan

| Hi Logan,
| could you please try with
| 
http://resources.ovirt.org/pub/ovirt-4.0-pre/rpm/el7/noarch/ovirt-hosted-engine-ha-2.0.4-1.el7.centos.noarch.rpm
| from 4.0.3 RC3?

| Patch https://gerrit.ovirt.org/#/c/63001/ should also address your issue.

| In general with 4.0 I'd strongly suggest to deploy additional hosted-engine
| hosts directly from the engine web admin instead of using hosted-engine-setup
| also there.

|| ___
|| Users mailing list
|| Users@ovirt.org
|| http://lists.ovirt.org/mailman/listinfo/users
___
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Re: [ovirt-users] Self Hosted Engine - Migrate to another host

[Simone Tiraboschi]

On Mon, Sep 19, 2016 at 6:58 PM, Maton, Brett 
wrote:

> Hi,
>
>I deployed a new cluster following this guide https://www.ovirt.org/
> documentation/how-to/hosted-engine/#fresh-install
>
>   Which are after a few failed attempts, finally seems to be up and
> running.
>
>   I have added a couple of additional hosts to the cluster through the
> web0ui , but I can't update the current 'self hosting' host as the
> hosted-engine refuses to migrate.
>
> HostedEngine:
>
>- Cannot migrate VM. There is no host that satisfies current
>scheduling constraints. See below for details:
>- The host 3 did not satisfy internal filter HA because it is not a
>Hosted Engine host..
>- The host 2 did not satisfy internal filter HA because it is not a
>Hosted Engine host..
>
> Did you deployed the additional hosted-engine hosts from the engine?
Could you please connect to that hosts and execute:
 hosted-engine --set-maintenance --mode=none

You probably hit this one:
https://bugzilla.redhat.com/show_bug.cgi?id=1353600



>
>- The host 1 did not satisfy internal filter Migration because it
>currently hosts the VM..
>
> I trawled google for awhile and found this post
> https://www.mail-archive.com/users@ovirt.org/msg34847.html
>
> So I tried to enable 'HA Reservation', but I can't because host '1' can't
> be put into maintenance mode because HE can't migrate
>
> ___
> Users mailing list
> Users@ovirt.org
> http://lists.ovirt.org/mailman/listinfo/users
>
>
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[ovirt-users] Clones from snapshots on Cinder RBD problem

[Andrew Richards]

Hello all, 

I already opened bug  on 
this, but I thought I'd post to the list to see if anyone has seen this. I've 
got oVirt 4.0.3 using a Cinder external provider for Ceph (Cinder version is 
7.0.1 from RDO Liberty, Ceph is Jewel 10.2.2) to get access to RBD images. I am 
able to boot VMs from these RBD images, create snapshots of them, both live and 
when the VM is offline, but when I try to clone a new VM from those snapshots, 
the task never completes and I see errors like these 
 in /var/log/ovirt-engine/engine.log:
 
> ERROR [org.ovirt.engine.core.bll.AddVmFromSnapshotCommand] (default task-93) 
> [50af631a] Command 'org.ovirt.engine.core.bll.AddVmFromSnapshotCommand' 
> failed: null
> 
> ERROR [org.ovirt.engine.core.bll.AddVmFromSnapshotCommand] (default task-93) 
> [50af631a] Exception: java.lang.NullPointerException

...which is then followed repeatedly by:

> ERROR [org.ovirt.engine.core.bll.AddVmFromSnapshotCommand] 
> (DefaultQuartzScheduler8) [50af631a] Ending command 
> 'org.ovirt.engine.core.bll.AddVmFromSnapshotCommand' with failure.
> 
> ERROR 
> [org.ovirt.engine.core.bll.storage.disk.cinder.CloneSingleCinderDiskCommand] 
> (DefaultQuartzScheduler8) [50af631a] Ending command 
> 'org.ovirt.engine.core.bll.storage.disk.cinder.CloneSingleCinderDiskCommand' 
> with failure.
> 
> INFO  [org.ovirt.engine.core.utils.transaction.TransactionSupport] 
> (DefaultQuartzScheduler8) [] transaction rolled back
> 
> ERROR [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] 
> (DefaultQuartzScheduler8) [] Correlation ID: 284e62be, Job ID: 
> 1899e73a-e5f8-4cda-b166-fbd5d444dc7c, Call Stack: null, Custom Event ID: -1, 
> Message: Failed to complete VM testRBDclone1 creation.
> 
> ERROR [org.ovirt.engine.core.bll.tasks.CommandCallbacksPoller] 
> (DefaultQuartzScheduler8) [] Failed invoking callback end method 'onFailed' 
> for command '81f6cbd0-6298-4033-99a2-6a740e10c61f' with exception 'null', the 
> callback is marked for end method retries

The only way I've been able to back out of this state is to use engine-cleanup 
and then restore from a backup. No amount of stopping and restarting 
ovirt-engine.service seemed to get the task to fail completely so that it could 
be cleaned up.

Is anyone successfully using Cinder snapshots? Or is this a known issue for 
which I have not yet found a bug report? My review of the trace under that 
java.lang.NullPointerException did not lead me anywhere, but I might not know 
what I'm looking for there. 

Thanks,
Andrew Richards
Senior Systems Engineer
keepertechnology

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Re: [ovirt-users] Error during additional hosted engine deployment

[Simone Tiraboschi]

On Mon, Sep 19, 2016 at 6:59 PM, Logan Kuhn  wrote:

> When I try to deploy a second hosted engine it errors out at Environment,
> items.  Full log attached.
>
> The host I'm deploying to is actually going to end up being our production
> instance of the image.  I've also tried to install it on a currently
> configured VM host with the exact same error message.
>
> Regards,
> Logan
>

Hi Logan,
could you please try with
http://resources.ovirt.org/pub/ovirt-4.0-pre/rpm/el7/noarch/ovirt-hosted-engine-ha-2.0.4-1.el7.centos.noarch.rpm
from 4.0.3 RC3?

Patch https://gerrit.ovirt.org/#/c/63001/ should also address your issue.

In general with 4.0 I'd strongly suggest to deploy additional hosted-engine
hosts directly from the engine web admin instead of using
hosted-engine-setup also there.



>
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>
>
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[ovirt-users] Peculiar Problem in migrating storage from one to another domain

[Anantha Raghava]

Hi,

I had created a Windows VM accidentally with storage in EXPORT_DOMAIN 
rather than using a specified MASTER_STORAGE Domain built on iSCSI 
storage. Realising the mistake, I moved the VM's disk from EXPORT_DOMAIN 
to MASTER_STORAGE domain. The engine reported that disk moved 
successfully. When I attempted to start the VM, I am getting error 
"Cannot start VM, related operation is in progress". This error has 
persisted over last 24 Hours!!. I attempted to remove the disk from VM, 
same error appears. When I try to delete disk from MASTER_STORAGE 
Domain, same error appears.


What could have gone wrong in this disk movement?

I am using oVirt 4.0.2 on CentOS 7 and 2 hosts in the cluster are also 
with CentOS 7 base OS on which the Hypervisor is installed.


--

Thanks & Regards,


Anantha Raghava

eXza Technology Consulting & Services


Do not print this e-mail unless required. Save Paper & trees.

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[ovirt-users] Can't import export domain

[Maton, Brett]

I basically scrubbed my 'old' cluster after a number of failures trying to
convert a physical engine to a self hosted engine, anyway

I'm now trying to import the 'old' export domain but I'm getting this
message:

There is no storage domain under the specified path. Check event pane for
more details.

I did see this in the logs if it helps at all:
2016-09-19 18:05:23,584 INFO
[org.ovirt.engine.core.vdsbroker.vdsbroker.DisconnectStorageServerVDSCommand]
(default task-28) [171c3ebf] FINISH, DisconnectStorageServerVDSCommand,
return: {5c4ae7b4-b87b-4ef1-910c-cb338232098c=0}, log id: 7d3bbb38
2016-09-19 18:05:23,589 INFO
[org.ovirt.engine.core.bll.storage.connection.RemoveStorageServerConnectionCommand]
(default task-28) [171c3ebf] Lock freed to object
'EngineLock:{exclusiveLocks='[nfs.example.com:/exports/export=,
5c4ae7b4-b87b-4ef1-910c-cb338232098c=]', sharedLocks='null'}'
2016-09-19 18:05:25,587 INFO
[org.ovirt.engine.core.vdsbroker.vdsbroker.DisconnectStorageServerVDSCommand]
(default task-18) [35dda2c9] FINISH, DisconnectStorageServerVDSCommand,
return: {5c4ae7b4-b87b-4ef1-910c-cb338232098c=0}, log id: 151ff1bd



dom_md/metadata file on the export NFS directory begins with

CLASS=Backup
DESCRIPTION=export

Any suggestions ?
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[ovirt-users] Self Hosted Engine - Migrate to another host

[Maton, Brett]

Hi,

   I deployed a new cluster following this guide
https://www.ovirt.org/documentation/how-to/hosted-engine/#fresh-install

  Which are after a few failed attempts, finally seems to be up and running.

  I have added a couple of additional hosts to the cluster through the
web0ui , but I can't update the current 'self hosting' host as the
hosted-engine refuses to migrate.

HostedEngine:

   - Cannot migrate VM. There is no host that satisfies current scheduling
   constraints. See below for details:
   - The host 3 did not satisfy internal filter HA because it is not a
   Hosted Engine host..
   - The host 2 did not satisfy internal filter HA because it is not a
   Hosted Engine host..
   - The host 1 did not satisfy internal filter Migration because it
   currently hosts the VM..

I trawled google for awhile and found this post
https://www.mail-archive.com/users@ovirt.org/msg34847.html

So I tried to enable 'HA Reservation', but I can't because host '1' can't
be put into maintenance mode because HE can't migrate
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Re: [ovirt-users] Migrating from KVM to oVirt

[Logan Kuhn]

Thank you. 

Regards, 
Logan 

- On Sep 16, 2016, at 6:36 PM, Nir Soffer  wrote: 

| On Sat, Sep 17, 2016 at 12:19 AM, Logan Kuhn < log...@wolfram.com > wrote:

|| Our current infrastructure is as follows:

|| KVM managed with NFS exported raw files.

|| We are planning on moving to ovirt, but we want to move our disk images into
|| Ceph via Cinder is this possible and if so, how?

| Importing vms from kvm is very easy in 4.0, you just import
| the vm, ovirt will do everything for you in few clicks.

| We don't support yet copying disks to ceph, only creating new disks.

| This should work:

| 1. Create vm with ceph disk

| 2. Find the ceph disk name in cinder using the disk name in engine

| 3. Copy the image manually to ceph using ceph command line tools
| The machine copying the disks should have cephx auth keys
| deployed.

| Note that ovirt hosts do not deploy ceph auth keys on the host, we
| deploy the keys dynamically using libvirt secrets, so only vms that
| need access to ceph disk can access it.

| Adding Daniel to add more details on how to find the cinder disk.

| There are some ceph users on this list, maybe they can add more
| details.

| Nir
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Re: [ovirt-users] can't import vm from KVM host

[Nelson Lameiras]

Well I think I have a rather "classical" environment :

This is the test setup I created (from scratch) in order to simulate future 
migrations (which will be used to migrate our hundreds of vm in production)

On one side, I have a x86_64 centos7.2+KVM hosting one VM with 2 iscsi disks : 
  1 LVM block device /dev/mapper/vg_01-lv_sys, using virtio
  1 block device /dev/sdc, using virtio

on the other side, I have a x86_64 centos 7.2 oVirt cluster (2 hosts, same 
hardware as KVM hosts) installed with 4.0.3 oVirt (hosts and engine) fully 
upgraded to 4.0.4RC1 (hosts and engine)
Target would be oVirt iscsi Data Domain disk (which is irrelevant because the 
problem I'm describing arises before selecting oVirt target)

I'm using the GUI to test the native import capabilities of oVirt "Import VM"
When selecting KVM import, putting correct URL data (using either tcp or ssh 
transport), I get a list of VM machines running in the KVM cluster (for this 
exemple, only the one VM described above), but the disk count is always 0. 
Which makes it impossible to import the VM.

I should add that I made the same VM import using "local hard drives" (ie. 
local raw file) and it works as expected, I can see one or multiple disks and 
import them easily to oVirt. The problem seems to manifest itself only when 
importing disks using block devices directly.

Do you need more information from me, or make more tests?

thanks a lot,
nelson

- Original Message -
From: "Shahar Havivi" 
To: "Nelson Lameiras" , "Nisim Simsolo" 

Cc: users@ovirt.org
Sent: Sunday, September 18, 2016 9:24:13 AM
Subject: Re: [ovirt-users] can't import vm from KVM host

On 16.09.16 10:14, Nelson Lameiras wrote:
> I upgraded to oVirt 4.0.4 RC1 to test this issue (engine and hosts) and I 
> still have the same problem.
> 
> Migration GUI still shows zero disks when the source VM had block disk 
> devices.
Yes...
I was verify and merged to 4.0.4

Is your source and target block device (tested as well...)
What else can you tell us about your environment?

Nisim Any idea?

> 
> Can you confirm that the issue 1362525 has been integrated in this RC?
> Should I do some additional actions in order to see/make it work?
> 
> Thanks,
> Nelson
> 
> - Original Message -
> From: "Shahar Havivi" 
> To: "Nelson Lameiras" , "Nisim Simsolo" 
> 
> Cc: users@ovirt.org
> Sent: Sunday, August 28, 2016 8:45:48 AM
> Subject: Re: [ovirt-users] can't import vm from KVM host
> 
> On 25.08.16 11:32, Nelson Lameiras wrote:
> > Thanks for your answer. I do not think that I'm experiencing that same bug 
> > exactly.
> > 
> > The issue 1362525 (below) concerns a KVM VM with iSCSI disk being importend 
> > to RHEV that does not perform well.
> > 
> > In my case, when oVirt GUI proposes me the list of machines on KVM host to 
> > import, each machine as a "disk count" next to it.
> > - This "disk count" is correct if the VM has it's storage on a raw/qcow 
> > file (local) - and import goes well
> > - But "disk count" is 0 (always) if the VM has it's storage on a block 
> > device (ie iscsi) - and import is not possible at all!
> > 
> > It seems to me that current oVirt migration tool is unable to read/analyse 
> > distant VM machines with block device storage... Maybe I'm analysing this 
> > issue wrongly.
> Yes,
> This was the issue as well - seeing zero disks when the source VM had block 
> disk devices.
> 
> Adding Nisim to verify it.
> 
> > 
> > Thanks,
> > nelson
> > - Original Message -
> > From: "Shahar Havivi" 
> > To: "Nelson Lameiras" 
> > Cc: users@ovirt.org
> > Sent: Tuesday, August 23, 2016 12:19:13 PM
> > Subject: Re: [ovirt-users] can't import vm from KVM host
> > 
> > On 23.08.16 11:24, Nelson Lameiras wrote:
> > > Hello,
> > Hi,
> > 
> > We do have a bug on that issue:
> > https://bugzilla.redhat.com/show_bug.cgi?id=1362525
> > and its handled.
> > 
> > Thanks,
> >  Shahar.
> > > 
> > > I'm trying to import virtual machines from a KVM host (centos 7.2) to an 
> > > oVirt 4.0.2 Cluster using the "import" feature on GUI.
> > > 
> > > If the original VM is using RAW/QCOW2 files as storage, everything works 
> > > fine. 
> > > 
> > > But if the original VM is using a special block special device as storage 
> > > (like a LVM or SAN volume), it's simply not recognized. 
> > > The VM does appear in the import list of the KVM host, but it's disk 
> > > count is 0!
> > > 
> > > Is this a known technical obstacle or am I doing something wrong ?
> > > 
> > > below is the storage part of the xml describing the original VM :
> > > 
> > >   
> > >   
> > >   
> > >> > function='0x0'/>
> > > 
> > > 
> > >   
> > >   
> > >   
> > >> > function='0x0'/>
> > > 
> > > 
> > > We have hundreds of virtual machines in production with this type of 
> > > 

Re: [ovirt-users] Migrating ovirt-engine from local storage to glusterfs

[Fedele Stabile]

Thank you SImone for the answer.
The second link you suggested convinced me to create a new hosted-
engine.
I will try to migrate my ovirt cluster with less downtime possible.
  
Il giorno lun, 19/09/2016 alle 17.22 +0200, Simone Tiraboschi ha
scritto:
> 
> 
> On Mon, Sep 19, 2016 at 1:21 PM, Fedele Stabile  nical.it> wrote:
> > Hello,
> > is it possible to copy the image of my ovirt-engine from local-
> > storage
> > to glusterfs?
> 
> Sorry but I don't understand the question.
> 
> With 'copy the image of my ovirt-engine from local-storage to
> glusterfs' do you mean that you have your engine on a physical and
> you want to migrate it to an hosted-engine (the engine runs on a VM
> hosted by one of the host that it's managing) env using gluster FS
> for your  shared storage?
> 
> If so, you can follow this:
> https://www.ovirt.org/develop/developer-guide/engine/migrate-to-hoste
> d-engine/
> 
> Moving an existing hosted-engine env from one storage kind (but local
> storage has never been an allowed option) to another is currently not
> supported instead. Please see:
> http://lists.ovirt.org/pipermail/users/2016-July/041526.html
> 
> 
>  
> > 
> > ___
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> > Users@ovirt.org
> > http://lists.ovirt.org/mailman/listinfo/users
> > 
> 

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Re: [ovirt-users] Testing oVirt 4.0.3 and 4.0.4 RC3 on nested KVM

[Simone Tiraboschi]

On Sat, Sep 17, 2016 at 2:25 PM, wodel youchi 
wrote:

> Hi,
>
> I am testing the deployment of oVirt using ovirt-node next-gen and ovirt
> appliance on a nested KVM environment.
>
> My base system (the physical machine) is a FC24 with 16Go of RAM and
> nested KVM enabled.
> I used NFS for storage.
>
> Test with oVirt 4.0.3:
> - I created two hypervisors 5Go of RAM each and 4vCpu.
> - I installed ovirt-node next-gen OS.
> - I downloaded ovirt appliance and started the engine deploy using
> generated configuration from cloud-init (I reserved 2Go of RAM for the
> VM-engine).
>
> Problems :
> - I couldn't add the second hypervisor from the engine's GUI, when I tried
> to do it, ovirt-engine crashed.
>

Can you please attach logs?


> - I tried with the command line, the process terminated with errors.
>

The same.


> - There is no create a new ISO or Export domain only Data domain in the
> select list.
>
> Unfortunately I deleted the two hypervisors.
>
> Test with oVirt 4.0.4 RC3 :
> - I created two hypervisors 5Go of RAM each and 4vCpu.
> - I installed ovirt-node next-gen OS.
> - I downloaded ovirt appliance and started the engine deploy using
> generated configuration from cloud-init (I reserved 2Go of RAM for the
> VM-engine).
>
> Problems:
> - I couldn't add the second hypervisor from the engine's GUI, when I tried
> to do it, ovirt-engine crashed.
> - After adding the Data domain, the hosted_storage was added successfully,
> but the VM engine was not imported successfully, it's does not appear on
> the VMs tab.
>

https://bugzilla.redhat.com/show_bug.cgi?id=1376751


> - There is no create a new ISO or Export domain only Data domain in the
> select list.
> - I added the second hypervisor from the command line successfully.
> - I tried to put the first hypervisor in maintenance mode, migration of
> the VM engine was started, from the command line I could see that the VM is
> running on the second hypervisor, but the migration process didn't
> terminate, I tried to reactivate the first hypervisor and put it in
> maintenance mode again, this time the ovirt-engine crashed.
>
> Regards.
>
>
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Re: [ovirt-users] Setting compatibility level on 3.6

[Fedele Stabile]

Ah,
I want to migrate to ovirt 4.x and I read that I have to change the
compatibily level of the cluster.

Il giorno lun, 19/09/2016 alle 17.31 +0200, Fedele Stabile ha scritto:
> Hello,
> I have ovirt-release36-3.6.7-1 and ovirt-engine-setup-3.6.7.5-
> 1.el7.centos
> and I can't find cluster table in the DB engine to force to
> compatibility version 3.6
> as described in https://bugzilla.redhat.com/show_bug.cgi?id=1341023
> infact I have HostedEngine running on a cluster and I can't change
> it's
> compatibility.
> Can you help me?
> 
> 
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[ovirt-users] Setting compatibility level on 3.6

[Fedele Stabile]

Hello,
I have ovirt-release36-3.6.7-1 and ovirt-engine-setup-3.6.7.5-
1.el7.centos
and I can't find cluster table in the DB engine to force to
compatibility version 3.6
as described in https://bugzilla.redhat.com/show_bug.cgi?id=1341023
infact I have HostedEngine running on a cluster and I can't change it's
compatibility.
Can you help me?


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Re: [ovirt-users] Migrating ovirt-engine from local storage to glusterfs

[Simone Tiraboschi]

On Mon, Sep 19, 2016 at 1:21 PM, Fedele Stabile <
fedele.stab...@fis.unical.it> wrote:

> Hello,
> is it possible to copy the image of my ovirt-engine from local-storage
> to glusterfs?
>

Sorry but I don't understand the question.

With 'copy the image of my ovirt-engine from local-storage to glusterfs' do
you mean that you have your engine on a physical and you want to migrate it
to an hosted-engine (the engine runs on a VM hosted by one of the host that
it's managing) env using gluster FS for your  shared storage?

If so, you can follow this:
https://www.ovirt.org/develop/developer-guide/engine/migrate-to-hosted-engine/

Moving an existing hosted-engine env from one storage kind (but local
storage has never been an allowed option) to another is currently not
supported instead. Please see:
http://lists.ovirt.org/pipermail/users/2016-July/041526.html




>
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Re: [ovirt-users] Nested oVirt : Unofficial network recommendations wanted

[Yaniv Kaul]

On Sep 19, 2016 5:50 PM, "Nicolas Ecarnot"  wrote:
>
> Le 19/09/2016 à 15:26, Yaniv Kaul a écrit :
>>
>> Would you recommend a better suited solution for nested
virtualization?
>>
>>
>> Lago[1].
>> Y.
>>
>> [1] lago.readthedocs.org/en/latest/README.html
>> 
>
>
> Yanniv,
>
> I read your tweet some times ago about Lago.
> Is fedora the recommended OS to play with Lago?

Yes,  both my server and my laptop run F24 with Lago. Previously both were
F23.
Y.

>
> --
> Nicolas ECARNOT
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Re: [ovirt-users] Nested oVirt : Unofficial network recommendations wanted

[Nicolas Ecarnot]

Le 19/09/2016 à 15:26, Yaniv Kaul a écrit :

Would you recommend a better suited solution for nested virtualization?


Lago[1].
Y.

[1] lago.readthedocs.org/en/latest/README.html



Yanniv,

I read your tweet some times ago about Lago.
Is fedora the recommended OS to play with Lago?

--
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Re: [ovirt-users] how to create vm from snapshot via ovirt-shell (ovirt 4.0)

[Francesco Romani]

- Original Message -

> From: "csyeow" 
> To: users@ovirt.org
> Cc: "csyeow ( gmail )" 
> Sent: Monday, September 19, 2016 1:11:42 PM
> Subject: [ovirt-users] how to create vm from snapshot via ovirt-shell (ovirt
> 4.0)

> Hi ovirt expertise

> i am new to ovirt, i now start install and play around.

> i unable find any doc from web site to create vm from snapshot via
> ovirt-shell (ovirt 4.0) , any help on this.
> i mange to create vm from snapshot via webui

> i would like to perform backup vm via api by using ovirt-shell. i have
> totally no knowledge on python

> ideal as below:

> create snapshot
> #add snapshot --parent-vm-name "rhel6.8_server02" --description 'my snapshot'

> create vm from snapshot
> ## missing, need help

Hi, 

you mean you want to start a VM with the snapshot attached? 

Perhaps this page could help 
https://www.ovirt.org/develop/release-management/features/storage/backup-restore-api-integration/
 

Bests, 

-- 
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RedHat Engineering Virtualization R & D 
Phone: 8261328 
IRC: fromani 
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Re: [ovirt-users] Can't add logical network

[Francesco Romani]

- Original Message -

> From: "Maxence Sartiaux" 
> To: "users" 
> Sent: Monday, September 19, 2016 11:53:12 AM
> Subject: [ovirt-users] Can't add logical network

> Hello,

> On a clean install ovirt 4.0.3-1, i've configured my bond on my hypervisor,
> created a new network on the engine and now i try to assign the logical
> network to my bond in the host network settings.

> When i save the configuration, the engine throw me an error and the following
> event

> VDSM hypervisor1 command failed: [Errno 2] No such file or directory:
> u'/etc/sysconfig/network-scripts/ifcfg-lan'

> if i "touch" the file manually i don't have this error but my file only
> contain "MTU=1500" nothing more.

> Engine bug or i miss something ?

How you configured the bond on your hypervisor? 
Seems like Vdsm doesn't like your changes, perhaps it cannot just identify the 
interface configuration 

Edward, do you have any recommendations about this flow? 

-- 
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RedHat Engineering Virtualization R & D 
Phone: 8261328 
IRC: fromani 
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Re: [ovirt-users] Can't add logical network

[Ondřej Svoboda]

Hi Maxence,

It seems much more likely that the problem is on the hypervisor side.

How did you configure the bond? With initscripts, with NetworkManager 
directly, or indirectly through Cockpit?


What files are in /etc/sysconfig/network-scripts on the hypervisor? An 
sosreport would be useful here, or at least /var/log/vdsm/supervdsm.log


Thanks,
Ondra

On 19.9.2016 11:53, Maxence Sartiaux wrote:

Hello,

On a clean install ovirt 4.0.3-1, i've configured my bond on my 
hypervisor, created a new network on the engine and now i try to 
assign the logical network to my bond in the host network settings.


When i save the configuration, the engine throw me an error and the 
following event


/VDSM hypervisor1 command failed: [Errno 2] No such file or directory: 
u'/etc/sysconfig/network-scripts/ifcfg-lan'/


if i "touch" the file manually i don't have this error but my file 
only contain "MTU=1500" nothing more.


Engine bug or i miss something ?

Thank you.


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Re: [ovirt-users] Nested oVirt : Unofficial network recommendations wanted

[Yaniv Kaul]

On Mon, Sep 19, 2016 at 2:19 PM, Nicolas Ecarnot 
wrote:

> Le 16/09/2016 à 20:21, Edward Haas a écrit :
>
>> My main goal is simplicity, and I'd rather use simple bridging, no
>> NAT, simple.
>>
>> What would be the simplest choice?
>>
>>
>> With Virtual Machine Manager you can edit-connection details and create
>> bridges on the host that you can connect to.
>>
>
> Exact.
>
> I usually use an isolated network, that does not connect to the outside
>> world and is limited to the host. If I need it to access the outside
>> world, I can either connect one of the nics to the bridge created on the
>> host or just create another vnic that uses nat/macvtap.
>>
>
> I get that.
>
> Note that VMM is mainly focused on simple VM connectivity, using it for
>> nested virtualization is not simple and will require from you additional
>> effort.
>>
>
> OK.
>
> Would you recommend a better suited solution for nested virtualization?


Lago[1].
Y.

[1] lago.readthedocs.org/en/latest/README.html

>
>
> --
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Re: [ovirt-users] Import Glance images in oVirt 4.0

[Davide Ferrari]

Ouch! Didn't see it, my bad :/
I found more easily the new upload image function than the old feature

Thanks a lot!

2016-09-19 13:25 GMT+02:00 Fred Rolland :

> Hi,
>
> Nothing has changed in this area in 4.0.
> The "ovirt-image-repository" should be there.
> Just make sure you select "System" on the left tree and then the "Storage"
> tab, as this storage domain is not attached to a specific Data Center.
>
> Note there is also a new feature in 4.0 : Image Upload. (see [1])
>
> Regards,
> Freddy
>
> [1] http://www.ovirt.org/develop/release-management/features/
> storage/image-upload/
>
> On Mon, Sep 19, 2016 at 11:48 AM, Davide Ferrari 
> wrote:
>
>> Hello
>>
>> all the guides/helps/howto I can find about importing OpenStack Glance's
>> iamges into ovirt relies on 3.x version and on the "ovirt-image-repository"
>> present as a storage domain. But in 4.0 I can only see it as an expternal
>> provider and there's no way to add it a storage domain (I can only add
>> "Data" domains). So, how can I import existing images into my oVirt 4.0
>> installation?
>>
>> Thanks
>>
>> --
>> Davide Ferrari
>> Senior Systems Engineer
>>
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>>
>>
>


-- 
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Senior Systems Engineer
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Re: [ovirt-users] Upgrade Problems from 3.6 to 4.0.3

[Yedidyah Bar David]

On Mon, Sep 19, 2016 at 1:52 PM, Yaniv Kaul  wrote:
> We should probably rephrase the error,  as this is at least the 2nd time I'm
> hearing about that issue.

https://bugzilla.redhat.com/show_bug.cgi?id=1371366

> Y.
>
>
> On Sep 19, 2016 1:39 PM, "Martin Perina"  wrote:
>>
>> Hi Michael,
>>
>> you have at least 1 cluster with 3.5 or lower compatibility version. You
>> need to upgrade all your clusters to 3.6 version before upgrading to 4.0.
>>
>> Martin Perina
>>
>>
>> On Mon, Sep 19, 2016 at 12:25 PM, Michael Wagenknecht
>>  wrote:
>>>
>>> Hello,
>>> I try to upgrade my ovirt engine from 3.6.7.5 to 4.0.3.
>>> When I start engine-setup I get the following message:
>>> "Failed to execute stage 'Setup validation': Trying to upgrade from
>>> unsupported versions: 3.5"
>>> My management client is a virtual CentOS 7.2 machine.
>>>
>>> I also tried the ovirt-engine migration from 3.6 to 4.0 on a new
>>> installed CentOS 7.2 machine. I got the same message.
>>>
>>> Attached is the engine-setup log.
>>>
>>> Regards,
>>> Michael
>>>
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Re: [ovirt-users] Import Glance images in oVirt 4.0

[Fred Rolland]

Hi,

Nothing has changed in this area in 4.0.
The "ovirt-image-repository" should be there.
Just make sure you select "System" on the left tree and then the "Storage"
tab, as this storage domain is not attached to a specific Data Center.

Note there is also a new feature in 4.0 : Image Upload. (see [1])

Regards,
Freddy

[1]
http://www.ovirt.org/develop/release-management/features/storage/image-upload/

On Mon, Sep 19, 2016 at 11:48 AM, Davide Ferrari 
wrote:

> Hello
>
> all the guides/helps/howto I can find about importing OpenStack Glance's
> iamges into ovirt relies on 3.x version and on the "ovirt-image-repository"
> present as a storage domain. But in 4.0 I can only see it as an expternal
> provider and there's no way to add it a storage domain (I can only add
> "Data" domains). So, how can I import existing images into my oVirt 4.0
> installation?
>
> Thanks
>
> --
> Davide Ferrari
> Senior Systems Engineer
>
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Re: [ovirt-users] Upgrade Problems from 3.6 to 4.0.3

[Michael Wagenknecht]

Hello Martin,
that's it. Thank you very much.

Regards,
Michael


Am 19.09.2016 12:39, schrieb Martin Perina:
> Hi Michael,
> 
> you have at least 1 cluster with 3.5 or lower compatibility version. You
> need to upgrade all your clusters to 3.6 version before upgrading to 4.0.
> 
> Martin Perina
> 
> 
> On Mon, Sep 19, 2016 at 12:25 PM, Michael Wagenknecht
> > wrote:
> 
> Hello,
> I try to upgrade my ovirt engine from 3.6.7.5 to 4.0.3.
> When I start engine-setup I get the following message:
> "Failed to execute stage 'Setup validation': Trying to upgrade from
> unsupported versions: 3.5"
> My management client is a virtual CentOS 7.2 machine.
> 
> I also tried the ovirt-engine migration from 3.6 to 4.0 on a new
> installed CentOS 7.2 machine. I got the same message.
> 
> Attached is the engine-setup log.
> 
> Regards,
> Michael
> 
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[ovirt-users] Migrating ovirt-engine from local storage to glusterfs

[Fedele Stabile]

Hello,
is it possible to copy the image of my ovirt-engine from local-storage
to glusterfs?

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Re: [ovirt-users] Nested oVirt : Unofficial network recommendations wanted

[Nicolas Ecarnot]

Le 16/09/2016 à 20:21, Edward Haas a écrit :

My main goal is simplicity, and I'd rather use simple bridging, no
NAT, simple.

What would be the simplest choice?


With Virtual Machine Manager you can edit-connection details and create
bridges on the host that you can connect to.


Exact.


I usually use an isolated network, that does not connect to the outside
world and is limited to the host. If I need it to access the outside
world, I can either connect one of the nics to the bridge created on the
host or just create another vnic that uses nat/macvtap.


I get that.


Note that VMM is mainly focused on simple VM connectivity, using it for
nested virtualization is not simple and will require from you additional
effort.


OK.

Would you recommend a better suited solution for nested virtualization?

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Re: [ovirt-users] Upgrade Problems from 3.6 to 4.0.3

[Yaniv Kaul]

We should probably rephrase the error,  as this is at least the 2nd time
I'm hearing about that issue.
Y.

On Sep 19, 2016 1:39 PM, "Martin Perina"  wrote:

> Hi Michael,
>
> you have at least 1 cluster with 3.5 or lower compatibility version. You
> need to upgrade all your clusters to 3.6 version before upgrading to 4.0.
>
> Martin Perina
>
>
> On Mon, Sep 19, 2016 at 12:25 PM, Michael Wagenknecht <
> wagenkne...@fuh-e.de> wrote:
>
>> Hello,
>> I try to upgrade my ovirt engine from 3.6.7.5 to 4.0.3.
>> When I start engine-setup I get the following message:
>> "Failed to execute stage 'Setup validation': Trying to upgrade from
>> unsupported versions: 3.5"
>> My management client is a virtual CentOS 7.2 machine.
>>
>> I also tried the ovirt-engine migration from 3.6 to 4.0 on a new
>> installed CentOS 7.2 machine. I got the same message.
>>
>> Attached is the engine-setup log.
>>
>> Regards,
>> Michael
>>
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Re: [ovirt-users] Upgrade Problems from 3.6 to 4.0.3

[Martin Perina]

Hi Michael,

you have at least 1 cluster with 3.5 or lower compatibility version. You
need to upgrade all your clusters to 3.6 version before upgrading to 4.0.

Martin Perina


On Mon, Sep 19, 2016 at 12:25 PM, Michael Wagenknecht 
wrote:

> Hello,
> I try to upgrade my ovirt engine from 3.6.7.5 to 4.0.3.
> When I start engine-setup I get the following message:
> "Failed to execute stage 'Setup validation': Trying to upgrade from
> unsupported versions: 3.5"
> My management client is a virtual CentOS 7.2 machine.
>
> I also tried the ovirt-engine migration from 3.6 to 4.0 on a new
> installed CentOS 7.2 machine. I got the same message.
>
> Attached is the engine-setup log.
>
> Regards,
> Michael
>
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[ovirt-users] Can't add logical network

[Maxence Sartiaux]

Hello,

On a clean install ovirt 4.0.3-1, i've configured my bond on my
hypervisor, created a new network on the engine and now i try to assign
the logical network to my bond in the host network settings.

When i save the configuration, the engine throw me an error and the
following event

VDSM hypervisor1 command failed: [Errno 2] No such file or directory:
u'/etc/sysconfig/network-scripts/ifcfg-lan'

if i "touch" the file manually i don't have this error but my file only
contain "MTU=1500" nothing more.

Engine bug or i miss something ?

Thank you.
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Re: [ovirt-users] Replace one engine host

[Davide Ferrari]

Mmmh, how can I check this? And how can I cahnge the id from the engine?
IDs are not even shown in the GUI for example

2016-09-19 10:35 GMT+02:00 Roy Golan :

> I'm suspect the host-id is out of sync in the engine now. changing the
> host-id locally isn't supported. The engine is the only source of id
> assignment.
>
> On 19 September 2016 at 00:21, Davide Ferrari  wrote:
>
>> Oh, thanks! You put me on the right way! Now it works:
>> Steps that I did:
>> - reinstall + deploy vm03
>> - manually set from maintenance to none on vm03
>> - reinstall + undeploy vm04 (I left it deployed again last time, trying
>> to remove it)
>>
>> Then I found the problem: vm03 hosted-engine conf
>> (/etc/ovirt-hosted-engine/hosted-engine.conf) had host_id set to 4 which
>> conflicted with vm04 host_id. So I changed it to 2 (the only one free),
>> restarted ovirt-ha-agent (and broker just to be sure) and it worked! Now
>> from vm-status I see vm01,02 and 03 with 3400 as priority and I can migrate
>> the HE vm to any of them!
>>
>> Thanks a lot for your kind help, Roy!
>>
>> 2016-09-18 22:00 GMT+02:00 Roy Golan :
>>
>>> Can you share the deploy logs of vm03? /var/log/ovirt-engine/host-dep
>>> loy/
>>> Is there an /etc/ovirt-hosted-engine/hosted-engine.conf at all?
>>>
>>> On 18 September 2016 at 17:28, Davide Ferrari 
>>> wrote:
>>>
 Hello Roy, I forgot to mention that I already reinstalled (several
 times) vm03 from the gui with the deploy option checked, but there's no way
 it appears there. For the record vm04 was the first host deployed (from
 cli) after the initial vm01 installation, then vm02 and then 03.

 On Sep 18, 2016 11:06, "Roy Golan"  wrote:

> vm03 is missing here from the status. Can you reinstall it from UI (if
> you added the host vm03 then just go to Management menu and click
> reinstall, choose 'Deploy' Option) - After its done, when the host is
> activated  you'll need to manually switch the host out of maintenence (we
> have a bug on it - solved in master already)
>
>
>
> On 18 September 2016 at 10:45, Davide Ferrari 
> wrote:
>
>> Hello
>>
>> Still playing a bit with oVirt, my cluster is ovirt+gluster with a
>> replica 3 glusterfs for the engine (on vm01, vm02 and vm03) and 4 hosts 
>> for
>> the data glusterfs and running virtual machines (vm01, vm02, vm03 and
>> vm04). Now, by mistake, I deployed hosted-engine on vm04 but I don't want
>> to have the engine on a machine without local data + it's not working
>> correctly (weight 0 and marked as in maintenance). Now, I've already 
>> tried
>> to reinstall it from the the GUI marking the "Undeploy" check, reinstall
>> vm03 marking the "deploy" check but nothing seems to work. Here it is the
>> hosted-engine --vm-status output from vm04. What can I do to deploy
>> correctly the hosted engine on vm03?
>>
>> --== Host 1 status ==--
>>
>> Status up-to-date  : True
>> Hostname   : vm01.mydomain.tld
>> Host ID: 1
>> Engine status  : {"reason": "vm not running on
>> this host", "health": "bad", "vm": "down", "detail": "unknown"}
>> Score  : 3400
>> stopped: False
>> Local maintenance  : False
>> crc32  : fee2f7d8
>> Host timestamp : 48911
>> Extra metadata (valid at timestamp):
>> metadata_parse_version=1
>> metadata_feature_version=1
>> timestamp=48911 (Sat Sep 17 07:57:02 2016)
>> host-id=1
>> score=3400
>> maintenance=False
>> state=EngineDown
>> stopped=False
>>
>>
>> --== Host 3 status ==--
>>
>> Status up-to-date  : True
>> Hostname   : vm02.mydomain.tld
>> Host ID: 3
>> Engine status  : {"health": "good", "vm": "up",
>> "detail": "up"}
>> Score  : 3400
>> stopped: False
>> Local maintenance  : False
>> crc32  : 9138d24e
>> Host timestamp : 48907
>> Extra metadata (valid at timestamp):
>> metadata_parse_version=1
>> metadata_feature_version=1
>> timestamp=48907 (Sat Sep 17 07:57:00 2016)
>> host-id=3
>> score=3400
>> maintenance=False
>> state=EngineUp
>> stopped=False
>>
>>
>> --== Host 4 status ==--
>>
>> Status up-to-date  : False
>> Hostname   : vm04.mydomain.tld
>> Host ID: 4
>> Engine status  : unknown 

[ovirt-users] Import Glance images in oVirt 4.0

[Davide Ferrari]

Hello

all the guides/helps/howto I can find about importing OpenStack Glance's
iamges into ovirt relies on 3.x version and on the "ovirt-image-repository"
present as a storage domain. But in 4.0 I can only see it as an expternal
provider and there's no way to add it a storage domain (I can only add
"Data" domains). So, how can I import existing images into my oVirt 4.0
installation?

Thanks

-- 
Davide Ferrari
Senior Systems Engineer
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Re: [ovirt-users] Replace one engine host

[Roy Golan]

I'm suspect the host-id is out of sync in the engine now. changing the
host-id locally isn't supported. The engine is the only source of id
assignment.

On 19 September 2016 at 00:21, Davide Ferrari  wrote:

> Oh, thanks! You put me on the right way! Now it works:
> Steps that I did:
> - reinstall + deploy vm03
> - manually set from maintenance to none on vm03
> - reinstall + undeploy vm04 (I left it deployed again last time, trying to
> remove it)
>
> Then I found the problem: vm03 hosted-engine conf
> (/etc/ovirt-hosted-engine/hosted-engine.conf) had host_id set to 4 which
> conflicted with vm04 host_id. So I changed it to 2 (the only one free),
> restarted ovirt-ha-agent (and broker just to be sure) and it worked! Now
> from vm-status I see vm01,02 and 03 with 3400 as priority and I can migrate
> the HE vm to any of them!
>
> Thanks a lot for your kind help, Roy!
>
> 2016-09-18 22:00 GMT+02:00 Roy Golan :
>
>> Can you share the deploy logs of vm03? /var/log/ovirt-engine/host-deploy/
>> Is there an /etc/ovirt-hosted-engine/hosted-engine.conf at all?
>>
>> On 18 September 2016 at 17:28, Davide Ferrari 
>> wrote:
>>
>>> Hello Roy, I forgot to mention that I already reinstalled (several
>>> times) vm03 from the gui with the deploy option checked, but there's no way
>>> it appears there. For the record vm04 was the first host deployed (from
>>> cli) after the initial vm01 installation, then vm02 and then 03.
>>>
>>> On Sep 18, 2016 11:06, "Roy Golan"  wrote:
>>>
 vm03 is missing here from the status. Can you reinstall it from UI (if
 you added the host vm03 then just go to Management menu and click
 reinstall, choose 'Deploy' Option) - After its done, when the host is
 activated  you'll need to manually switch the host out of maintenence (we
 have a bug on it - solved in master already)



 On 18 September 2016 at 10:45, Davide Ferrari 
 wrote:

> Hello
>
> Still playing a bit with oVirt, my cluster is ovirt+gluster with a
> replica 3 glusterfs for the engine (on vm01, vm02 and vm03) and 4 hosts 
> for
> the data glusterfs and running virtual machines (vm01, vm02, vm03 and
> vm04). Now, by mistake, I deployed hosted-engine on vm04 but I don't want
> to have the engine on a machine without local data + it's not working
> correctly (weight 0 and marked as in maintenance). Now, I've already tried
> to reinstall it from the the GUI marking the "Undeploy" check, reinstall
> vm03 marking the "deploy" check but nothing seems to work. Here it is the
> hosted-engine --vm-status output from vm04. What can I do to deploy
> correctly the hosted engine on vm03?
>
> --== Host 1 status ==--
>
> Status up-to-date  : True
> Hostname   : vm01.mydomain.tld
> Host ID: 1
> Engine status  : {"reason": "vm not running on
> this host", "health": "bad", "vm": "down", "detail": "unknown"}
> Score  : 3400
> stopped: False
> Local maintenance  : False
> crc32  : fee2f7d8
> Host timestamp : 48911
> Extra metadata (valid at timestamp):
> metadata_parse_version=1
> metadata_feature_version=1
> timestamp=48911 (Sat Sep 17 07:57:02 2016)
> host-id=1
> score=3400
> maintenance=False
> state=EngineDown
> stopped=False
>
>
> --== Host 3 status ==--
>
> Status up-to-date  : True
> Hostname   : vm02.mydomain.tld
> Host ID: 3
> Engine status  : {"health": "good", "vm": "up",
> "detail": "up"}
> Score  : 3400
> stopped: False
> Local maintenance  : False
> crc32  : 9138d24e
> Host timestamp : 48907
> Extra metadata (valid at timestamp):
> metadata_parse_version=1
> metadata_feature_version=1
> timestamp=48907 (Sat Sep 17 07:57:00 2016)
> host-id=3
> score=3400
> maintenance=False
> state=EngineUp
> stopped=False
>
>
> --== Host 4 status ==--
>
> Status up-to-date  : False
> Hostname   : vm04.mydomain.tld
> Host ID: 4
> Engine status  : unknown stale-data
> Score  : 0
> stopped: False
> Local maintenance  : True
> crc32  : 221d262e
> Host timestamp : 17958
> Extra metadata (valid at timestamp):
> 

Re: [ovirt-users] Changing Hosted Engine destEmail

[Martin Sivak]

Hi,

notification settings are unfortunately something we moved to shared
storage without proper tooling for it being ready. The default
configuration (if you used it) sends the email to root@localhost and
you can use the standard linux configuration to forward it elsewhere:

For example see this article (first random link from google that
contains all the steps):
http://blog.bobbyallen.me/2013/02/03/how-to-redirect-local-root-mail-to-an-external-email-address-on-linux/

This is generally good idea anyway.

Best regards

Martin Sivak


On Fri, Sep 16, 2016 at 2:48 PM, Simon  Hallam  wrote:
> Hi,
>
>
>
> I’m curious how we can change the email addresses that the hosted-engine-ha
> system sends it’s notifications to (this is on oVirt 3.6)?
>
>
>
> Cheers,
>
>
>
> Simon Hallam
>
> Network Development & Linux Support Officer
>
>
>
> Please visit our new website at www.pml.ac.uk and follow us on Twitter
> @PlymouthMarine
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Re: [ovirt-users] live migration with openvswitch

[Milan Zamazal]

Michal Skrivanek  writes:

>> > I'm afraid that we are not yet ready to backport it to 4.0 - we found
>> > out that as it is, it break migration for vmfex and external network
>> > providers; it also breaks when a buggy Engine db does not send a
>> > displayNetwork. But we plan to fix these issues quite soon.
>
> which “buggy” engine? There were changes in parameters, most of these issues
> are not relevant anymore since we ditched <3.6 though.
> Again it’s ok as long as it is clearly mentioned like "3.6 engine sends it in
> such and such parameter, we can drop it once we support 4.0+"

I think Edward means the problem when there is no display (and
migration) network set for a cluster in Engine.  This may happen due to
a former bug in Engine db scripts.  Vdsm apparently falls back on
ovirtmgmt in most cases so the problem is typically unnoticed.  But when
you look for displayNetwork explicitly in Vdsm, it's not there.

The bug may affect 4.0 installations until a db upgrade fix is created
and backported.
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