Hi Pasi,
Am Montag, den 12.04.2010, 09:20 +0300 schrieb Pasi Kärkkäinen:
> On Sat, Apr 10, 2010 at 08:58:59AM -0400, James Pifer wrote:
> > 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
> > >
> >
..........
> When the guest is saved/stopped, you can take a backup of the disks,
> and store the backup with the state/save-file.
how does this behave with blktap2? i read that blktap2 passes all disk
I/O-requests from VMs to the userspace deamon through a character
device.
As i read the release-notes correctly we should get a consistent FS,
without "xm save" just through using blktap2/vhd?
>
> -- Pasi
best regards,
thomas
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