[libvirt-users] Re: managedsave results in unexpected shutdown from inside Windows

[Nicolas Sebrecht]

The 13/03/13, Eric Blake wrote:
> On 03/13/2013 09:25 AM, Nicolas Sebrecht wrote:
> > I use a script started each night to (managed)save the guests and upload
> > them to a FTP server.  Basically, I do
> > 
> >   virsh managedsave guest
> >   <upload managedsave file>
> >   <upload guest disks>
> >   virsh start guest
> 
> You might want to look into external snapshots as a more efficient way
> of taking guest snapshots.  With virsh managedsave/start, you are
> guaranteed guest downtime of several seconds at a minimum, and you have
> to do the disk management yourself; but with external snapshots, you can
> take a consistent picture of guest state at a point in time with
> sub-second downtime (the same way live migration between hosts has
> sub-second downtime).

I'm coming back to say that we now have a working solution in production
based on external snapshots. It's written in python to execute to
process detailed in this thread. The downtime is a few seconds.

Thanks again.

-- 
Nicolas Sebrecht