On 10/09/2013 08:34 AM, Jorge Fábregas wrote: > Hi, > > I'm using the new snapshot features of virt-manager and since these are > internal snapshots I'm wondering how to figure out how much space a > given snapshot is currently using. > > Previously I used base-images+overlays and I could just check the size > of the overlay file to get an idea. If I use "qemu-img info" on my > current disks (the ones with internal snapshots) there's a "VM size" > column there but it shows 0 for offline snapshots. > > Is there a way to get the actual used-space for an internal snapshot?
Not via libvirt. I'm not even sure if qemu-img can do that yet, although the new 'qemu-img map' subcommand to be added in qemu 1.7 might be the sort of tool for it. It's probably worth asking on the qemu list. -- Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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