[ovirt-users] vm refuses to migrate because of NUMA

[Roman Mohr]

Hi Nathanael,

On Mon, Feb 8, 2016 at 11:24 AM, Nathanaël Blanchet <blanchet at abes.fr>
wrote:

> Hi all,
>
> I created a cluster of VM with the same CPu level, except that one of them
> only has one physical CPU. When trying to migrate, I get this message into
> engine.log :
>
> 3b-4810-b5a4-f415c90ffdca`::Failed to migrate
> Traceback (most recent call last):
>   File "/usr/share/vdsm/virt/migration.py", line 294, in run
>     self._startUnderlyingMigration(time.time())
>   File "/usr/share/vdsm/virt/migration.py", line 364, in
> _startUnderlyingMigration
>     self._perform_migration(duri, muri)
>   File "/usr/share/vdsm/virt/migration.py", line 403, in _perform_migration
>     self._vm._dom.migrateToURI3(duri, params, flags)
>   File "/usr/share/vdsm/virt/virdomain.py", line 68, in f
>     ret = attr(*args, **kwargs)
>   File "/usr/lib/python2.7/site-packages/vdsm/libvirtconnection.py", line
> 124, in wrapper
>     ret = f(*args, **kwargs)
>   File "/usr/lib64/python2.7/site-packages/libvirt.py", line 1836, in
> migrateToURI3
>     if ret == -1: raise libvirtError ('virDomainMigrateToURI3() failed',
> dom=self)
> libvirtError: unsupported configuration: NUMA node 1 is unavailable
>
> It seems that engine allows to mix multinode and mononode host into a same
> cluster whereas vms can't migrate between these nodes.
> I've never been using and configuring NUMA until now, so I don't
> understand why we are not allowed to migrate vms.*
> Thank you for your help
>
>
Seems like you are running into [1]. We are currently working on that.
Adding Roy and Martin.


> --
> Nathanaël Blanchet
>
> Supervision réseau
> Pôle Infrastrutures Informatiques
> 227 avenue Professeur-Jean-Louis-Viala
> 34193 MONTPELLIER CEDEX 5
> Tél. 33 (0)4 67 54 84 55
> Fax  33 (0)4 67 54 84 14
> blanchet at abes.fr
>
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>

[1]  https://bugzilla.redhat.com/show_bug.cgi?id=1303842
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