[libvirt-users] backup KVM qcow2 over btrfs or zfs

Kashyap Chamarthy kchamart at redhat.com
Fri Nov 7 10:51:15 UTC 2014

On Thu, Nov 06, 2014 at 06:08:38PM +0100, Francesco Morosinotto wrote:
> Hash: SHA1
> Thank you a lot for your reply;
> > You should really consider using libvirt live snapshots.  With new
> > enough libvirt and qemu, you can even get optimal behavior with no guest
> > downtime.  This topic comes up frequently on the list; for example, a
> > quick search found this in the archives:
> >
> > https://www.redhat.com/archives/libvirt-users/2014-October/msg00055.html
> last time I tried to take external atomic disk only snapshot I
> encountered bugs
> (https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/1004606) and
> gave up.
> In my box I have virsh 1.2.2 and despite this
> $ virsh blockcommit test hda --active --verbose --pivot
> error: command 'blockcommit' doesn't support option --active and --pivot

If it's possible in your environment, I'd really recommend you to switch
to try a newer libvirt version - 1.2.8 or above.


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