Re: [Xen-users] How to migrate?

Dick Davies
Sun, 07 Aug 2005 15:08:12 -0000

I was told you couldn''t run xen images from NFS?
Is that no longer the case, or have I got my wires crossed?

Thanks.

On 05/08/05, daniele patoner <daniele.patoner@biblio.unitn.it>
wrote:
> Robert Fargher wrote:
>  > Hi folks,
>  >
>  >   I''m in the process of learning Xen and am having a spot of
bother >
>   >   with live
>  > migration of a domU.  It may be just a blind spot in my (lack of)
>  > understanding the documentation on migration but it makes no sense to
>  > me.
>
> Xen do not migrate the filesystem, the root filesystem of Rayah1 (domU)
> must reside on a third  machine, and exported via NFS or DRBD
> (http://sources.redhat.com/cluster/gnbd/gnbd_usage.txt), DRBD, ATA over
> ethernet.
>
> In brief
>
> Set up a 3° machine, copy the rajah1 filesystem on 3° Machine and export
> via NFS (for testing) or GNBD (production) to Rajah.
>
> Test that Rajah e Kodiak are able to mount the remote filesystem.
>
> Configure Rajah1 on Rajah to boot with the remote filesystem.
>
> ''Xm migrate Rajah1 kodiak'' move processes and ram to
kodiak but
> disconnect(umount) the remote root filesystem in Rajak and
> reconnect(mount) the root filesystem in kodiak.
>
> Daniele
>
>
>
>
>
>
>
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