Hey<br>When I want to take a snapshot for a Domain by using <span style="color: rgb(204, 0, 0);">virDomainSnapshotCreateXML</span>. The Error as below happen:<br><br><span style="color: rgb(255, 0, 0);">libvir: QEMU error : Requested operation is not valid: Disk &#39;/var/lib/libvirt/images/fedora-qcow.qcow2&#39; does not support snapshotting</span><br>
<br>The snapshot Configuration is :<br>&lt;domainsnapshot&gt;<br>  &lt;description&gt;Snapshot of OS install and updates&lt;/description&gt;<br>  &lt;disks&gt;<br>    &lt;disk name=&#39;/var/lib&#39;&gt;<br>      &lt;source file=&#39;/var/lib-snapshot&#39;/&gt;<br>
    &lt;/disk&gt;<br>    &lt;disk name=&#39;vdb&#39; snapshot=&#39;no&#39;/&gt;<br>  &lt;/disks&gt;<br>&lt;/domainsnapshot&gt;<br><br>And <span style="color: rgb(255, 0, 0);">/var/lib/libvirt/images/fedora-qcow.qcow2 <font color="#000000">is the disk for the domain (use qemu-img to create). And I had tried another Disk format<br>
(*.img), but the error still happen. how can i deal with this error?? <br><br>PS:qemu version is 0.14 &amp; libvirt version is 0.9.4.  Pls help.   :-(<br></font></span>