[Users] Live storage migration fails on CentOS 6.4 + ovirt3.3 cluster

Itamar Heim iheim at redhat.com
Mon Nov 11 07:19:58 EST 2013


On 11/07/2013 12:00 PM, Sander Grendelman wrote:
> On Wed, Nov 6, 2013 at 5:41 PM, Martijn Grendelman
> <martijn.grendelman at isaac.nl> wrote:
>>
>> So is qemu-kvm-rhev from mentioned source RPM a drop-in replacement for
>> qemu-kvm from CentOS ? Would it make sense to install it instead of
>> qemu-kvm?
>
> That's the way it worked for me.
>
> - Put one host in maintenance
> - Install *-rhev packas on that host
>        yum localinstall qemu-*rhev*.rpm)
>    this replaces the regular packages:
>        Nov 06 16:15:38 Installed: 2:qemu-img-rhev-0.12.1.2-2.355.el6.9.x86_64
>        Nov 06 16:15:40 Installed: 2:qemu-kvm-rhev-0.12.1.2-2.355.el6.9.x86_64
>        Nov 06 16:15:40 Installed:
> 2:qemu-kvm-rhev-tools-0.12.1.2-2.355.el6.9.x86_64
>        Nov 06 16:15:40 Erased: qemu-kvm-tools
>        Nov 06 16:15:41 Erased: qemu-kvm
>        Nov 06 16:15:41 Erased: qemu-img
> - Restart vdsm, enable host migrate test VM to host, test live storage
> migration: OK
> - Put host back in maintenance and reboot.
> - Activate host and repeat maintenance/installation steps with other hosts.
>
> The "solution" for the live snaphost problem as proposed in
> https://bugzilla.redhat.com/show_bug.cgi?id=1009100 is:
>
>       |BZ| Vdsm should check (hopefully via libvirt) if the underlying
> qemu supports live snapshot, and report this feature to Engine.
>       |BZ| If it does not, block this feature in UI.
>
> That is something that should be implemented, however,  there should
> also be some way to use a full-featured kvm with oVirt.
>
> Can oVirt carry the qemu-*rhev* packages?
> Or is this something that should be in epel? Or CentOS?

I think worth veryfing with centos first on their plans to carry this 
package before we carry (and maintain it) in ovirt repos.



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