On 09/03/2013 06:56 PM, Guozhonghua wrote: > Hi, > > I have another question, when I do the blockcommit command and get the result " Top image as the active layer is currently unsupported ", is it being developed? > root@cvk-31:/vms/images# virsh blockcommit Vmtest /vms/images/Vmtest1;echo $? > error: internal error unable to execute QEMU command 'block-commit': Top image as the active layer is currently unsupported Yes, patches have been proposed to upstream qemu for that feature, but they missed 1.6, so you will have to wait for qemu 1.7. There may also be some integration efforts that require tweaks to libvirt to take advantage of the qemu feature (the libvirt API was designed to work as soon as qemu added support, but we haven't yet proven whether our plans work out as nicely as we hope). -- Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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