[Pacemaker] Problems with ocf:heartbeat:IPaddr2 and ocf:heartbeat:VirtualDomain

[Andrew Beekhof]

On Fri, Feb 18, 2011 at 9:54 AM, Stefan Schneebeli
<stefan.schneebeli at gmx.ch> wrote:
> Hi Florian
>
> Thank you for you fast reply!
>
> But I don't get the point why it changes to this behavior. What is the
> difference
> to migrate a VM alone and together with an IP Address?

Because you can't migrate something unless everything it needs in both
the old and new location.
This is clearly impossible for a pair of resources.

>
> Regards,
> Stefan
>
> On 18.02.2011 09:35, Florian Haas wrote:
>
> On 2011-02-18 09:24, Stefan Schneebeli wrote:
>
> Hi everybody
>
> I'm trying to build a cluster with pacemaker, corosync, DRBD and KVM on
> Debian Squeeze.
> If I just use DRBD and KVM with the ocf:linbit:drbd and
> ocf:heartbeat:VirtualDomain Agents
> everything works quite well including live migration and Node standby.
> STONITH is not configured
> yet but will use an APC Powerswitch for that.
> Because of using VNC for console access to the VM's I'm trying to run a
> floating IP address together
> with the KVM Guest so I allways can access to the console with same IP
> Address independent on which
> Node the VM is running.
> Now when I configure the IPaddr2 Agent together with an order and a
> colocation to the DRBD and Virtualdomain
> resources the live migration does not work anymore, instead the VM will
> be shutdown via Agent and restartet
> on the other Node.
>
> Yep, "that's the way it is." This is expected behavior.
>
>  Standby an Node will also not work properly anymore
>
> with failures in stopping the VM together
> with strange Error Messages like this: "info: RA output:
> (ns3:stop:stderr) operation failed: could not query memory balloon
> allocation"
>
> This is not. Roll an hb_report and file a bug in at
> developerbugs.linuxfoundation.org please. Be sure to assign it to the
> Linux-HA project, select Resource Agents as the component.
>
> Cheers,
> Florian
>
>
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>
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> http://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker
>
>