[Openstack] nova.virt.libvirt.imagecache is removing good base file

Hi all, I've a bad problem with nova.virt.libvirt.imagecache: it keeps removing good (not stale) base images even if they are used by running VMs. I have a multi-node installation with shared storage (as described here:

Re: [Openstack] nova.virt.libvirt.imagecache is removing good base file

This is a known issue in folsom and stable/folsom. You should turn off the image cache if you are using shared storage. https://bugs.launchpad.net/nova/+bug/1078594 See the upgrade notes here to see how to disable the imagecache run: