Re: [Xen-users] Xen 3.3.1 & Fiberchannel/LiveMigration

[Mike Lovell <mike@xxxxxxxxxxxx>]

On 6/10/2009 8:36 AM, eric santelices wrote:
> I am wanting to use Xen (3.3.1) hypervisior and support "live 
> migration" on CentOS 5.2.  However how can I ensure that when I 
> migrate this to the next dom0 that this guest will be on /dev/dm-5??
>  I was thnking of using /dev/disk/by-path I have 99 entries, and we 
> should not be addressing a single path of a dm-multipath.  What I'm 
> wondering is what's the best way to configure my nodes to leverage 
> Live Migration with dm-multipath.
I haven't really played with dm-multipath much. But is there a link to 
the multipath device in /dev/disk/by-uuid? That might be one way to take 
care of it. The only other way I can think of is using udev rules to 
make sure the devices are always the same but that could get ugly.
mike

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