Hello everyone,
A new problem with creating snapshots appeared after I upgraded to Havana:
2013-10-25 14:49:32.329 22980 TRACE nova.openstack.common.rpc.amqp File
"/usr/lib/python2.7/dist-packages/libvirt.py", line 646, in blockRebase
2013-10-25 14:49:32.329 22980 TRACE nova.openstack.common.rpc.amqp if ret ==
-1: raise libvirtError ('virDomainBlockRebase() failed', dom=self)
2013-10-25 14:49:32.329 22980 TRACE nova.openstack.common.rpc.amqp
libvirtError: internal error: unable to execute QEMU command 'drive-mirror':
Could not open
'/var/lib/nova/instances/snapshots/tmp5DdrIO/236df3e170e64fabaeb3c7601e2d6c47.delta'
The directory /var/lib/nova/instances/snapshots/tmp5DdrIO does not exist
immidiately after this error shows up.
Permissions to the parent directory are nova:nova 755, I believe they are
correct.
This happens only to machines which are running. A snapshot of shut off machine
works well.
Does anyone have any idea what might be configured wrong here?
I also submitted this as a bug: https://bugs.launchpad.net/nova/+bug/1244694
Regards,
Daniel
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