[libvirt-users] virsh blockcommit hangs at 100%
hi, i am trying to blockcommit a external qcow2 snapshot back into its raw backing file like: sudo virsh blockcommit myDomainName vda --wait --verbose the output just shows: Block Commit: [100 %] and stays like that (i waited about an hour or so...). No "Commit complete" message. - explicitly passing --base and/or --top arguments makes no difference. - did not find a related log entry in syslog and consorts env: - ubuntu server 14.04 x64 - libvirt-bin 1.2.2-0ubuntu13 i doubt that it just takes hours to complete after "100%", right? any ideas? kind of a dead-end for me :/ thanks, zyro
On 04/18/2014 08:36 AM, zyro wrote:
hi,
i am trying to blockcommit a external qcow2 snapshot back into its raw backing file like:
sudo virsh blockcommit myDomainName vda --wait --verbose
the output just shows:
Block Commit: [100 %]
and stays like that (i waited about an hour or so...). No "Commit complete" message.
Known problem. When libvirt first implemented blockcommit, qemu did not support committing the active image. Newer qemu has added that support, but in a way that requires a tweak to libvirt to end the operation; and libvirt has not yet been taught to make that tweak. Patches welcome. -- Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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zyro