Just out of curiosity, how exactly did you manage to delete base
images from running instances? I was not able to do that, glance
raised error messages when I tried it.
I'm not sure if [1] helps in any way, but here someone tried to edit
the rbd-information for specific objects in his (copied) pool. But I
hope there's another way than this...
Regards,
Eugen
[1] http://lists.ceph.com/pipermail/ceph-users-ceph.com/2015-May/001453.html
Zitat von John Petrini <jpetr...@coredial.com>:
Hi List,
We're running Mitaka with Ceph. Recently I enabled RBD snapshots by adding
write permissions to the images pool in Ceph. This works perfectly for some
instances but is failing back to standard snapshots for others with the
following error:
Performing standard snapshot because direct snapshot failed: Cannot
determine the parent storage pool for 7a7b5119-
85da-429b-89b5-ad345cfb649e; cannot determine where to store images
Looking at the code here:
https://github.com/openstack/nova/blob/master/nova/virt/libvirt/imagebackend.py
it appears that it looks for the pool of the base image to determine where
to save the snapshot. I believe the problem I'm encountering is that for
some of our instances the base image no longer exists.
Am I understanding this correctly and is there anyway to explicitly set the
pool to be used for snapshots and bypass this logic?
Thank You,
John Petrini
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Eugen Block voice : +49-40-559 51 75
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