Re: [Xen-users] Keeping domU configs sync'ed across nodes in a cluster

[Bart Coninckx <bart.coninckx@xxxxxxxxxx>]

On Wednesday 20 October 2010 05:30:01 Digimer wrote:
> Hi all,
> 
>   I've got a Fedora 13 cluster (just two nodes) with Xen 4.0.1 and the
> dom0's are 2.6.32 kernel. I can live migrate the domU VMs back and forth
> just fine.
> 
>   The trick is that, until a VM has been migrated to the second node (or
> I run 'virsh dumpxml domain > domain.xml; <copy to other node>; virsh
> define domain.xml), the second node doesn't know that the domU exists.
> So if the original node dies, I can't (easily) recover the domU on the
> backup. Also, if I make changes to the virtual hardware on one node, the
> other node's config goes stale.
> 
>   Is there a way to keep the domU configuration in sync across nodes? I
> think I saw something to this effect a little earlier, but so far my
> google-fu has not turned up anything.
> 
> Thanks!
> 
> Digimer
> 
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> http://lists.xensource.com/xen-users

How about just having cron export the xml files and using rsync (or plain ssh) 
to copy the files around?


B.

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