On 05/05/2014 12:05 PM, Solly Ross wrote: > Hi, > I'm doing some work getting libvirt storage pools into OpenStack, as they definitely > make certain operations much easier for the Nova libvirt driver. However, one thing > I noticed is that since storage pools automatically refresh on reboot, initial creation > information gets lost. This poses a problem, since libvirt probes for file type for the > filesystem-based pools (dir, fs, netfs, etc), and can erroneously detect a RAW file as > another file type (for instance, QCOW2). Is there a reason libvirt doesn't have an option > to persist (to disk) the unchanging parts of the volume XML? Only the reason of "no one has implemented it". Contributions welcome; I think it does indeed make sense to figure out a way to store persistent volume information alongside the persistent pool XML, so that we can track that a given file is raw and should not be probed. -- Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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