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Re: [Qemu-devel] external snapshots freezes block device since qemu 2.8


From: Dr. David Alan Gilbert
Subject: Re: [Qemu-devel] external snapshots freezes block device since qemu 2.8
Date: Thu, 6 Apr 2017 10:25:31 +0100
User-agent: Mutt/1.8.0 (2017-02-23)

* John Snow (address@hidden) wrote:
> 
> 
> On 03/09/2017 07:26 AM, Dr. David Alan Gilbert wrote:
> > * Piotr Rybicki (address@hidden) wrote:
> >> Hello there.
> >>
> >> I discovered, that since qemu 2.8 , external snapshots (very similar to:
> >> http://wiki.libvirt.org/page/Live-disk-backup-with-active-blockcommit),
> >> freezes block device after:
> >>
> >> # virsh blockcommit (...)
> >>
> >> There is no error message after completion of the command above.
> >> I'm using gluster + ZFS fuse mount as a storage for a VM on gentoo.
> >> libvirt debug showed nothing helpful.
> >> With qemu <2.8 -: snapshots are working as expected.
> >>
> >> Is this a known issue?
> >> Is it qemu or libvirt ?
> >>
> >> If it helps, how can i diagnose this further?
> > 
> > I don't know of it, cc'd in jsnow.
> > Have you tried bisecting?
> > 
> > Dave
> > 
> >> Thank You & Best regards
> >> Piotr Rybicki
> >>
> > --
> > Dr. David Alan Gilbert / address@hidden / Manchester, UK
> > 
> 
> I'm cleaning out my inbox and I seem to have missed this thread. Was
> there any resolution?

Not that I remember.

Dave

--
Dr. David Alan Gilbert / address@hidden / Manchester, UK



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