Re: [Xen-users] snapshots on xen

[James Pifer <jep@xxxxxxxxxxxxxxxx>]

On Sat, 2010-04-10 at 13:55 +0300, Pasi Kärkkäinen wrote:
> On Fri, Apr 09, 2010 at 08:57:16PM -0400, James Pifer wrote:
> > Hi all. I'm using sles11 for my xen servers. I would really like to be
> > able to do hot snapshots of disk AND memory, and then have these
> > snapshots backed up to tape or off site for disaster recovery. I'm
> > thinking this would be done weekly or monthly, not nightly.
> > 
> > Two questions:
> > 
> > 1) Is this even possible? 
> >
> 
> 1) xm save <guest> <guest>.save
> 2) save a copy of the guest disks
> 3) save a copy of the <guest>.save file
> 4) xm restore <guest>.save
>  

Pasi,

Thanks for the reply. Questions based on your response:

1) Is this dependent on the file system at all? 

2) When you do an xm save, does it automatically pause the domU and then
basically make a copy of the disk? 

3) I assume I  would expect the process to take the same amount of time
as a normal copy of the disk?

Thanks,
James


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