Hi everybody, Following this user mailing list over a period of time, I saw a few messages regarding not being able using the external snapshot feature. I refer to this procedure: http://wiki.libvirt.org/page/Live-disk-backup-with-active-blockcommit I would like to mention this hoping it will help those users: Using external snapshots works perfect again in qemu 2.5.0 together with this patch https://bugzilla.redhat.com/show_bug.cgi?id=1300209 Full version list on which I did my testing: Compiled against library: libvirt 1.3.1 Using library: libvirt 1.3.1 Gebruikte API: QEMU 1.3.1 Draaiende hypervisor: QEMU 2.5.0 Greetings, Dominique.