Hi,Eric Thank you very much for the information <div class="gmail_quote">On Jan 28, 2015 1:51 AM, "Eric Blake" <<a href="mailto:eblake@redhat.com">eblake@redhat.com</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">On 01/27/2015 03:10 AM, Yitao Jiang wrote: > Hi, > > If i take a snapshot of a qcow2 image backed domain via virsh > snapshot-create domainID and I shutdown the machine (and probably destroy > the domain if virsh list still shows it running), and then undeinfed the > domain will that snapshot still exist and be active when I define and > start the domain back up? Shutdown/destroy does not lose track of snapshot information. Undefine does; but it only loses track of the metadata; the snapshot data still exists, and you could re-create it with virsh snapshot-create --redefine after the domain is redefined, if you want to still revert to that state. -- Eric Blake eblake redhat com <a href="tel:%2B1-919-301-3266" value="+19193013266">+1-919-301-3266</a> Libvirt virtualization library <a href="http://libvirt.org" target="_blank">http://libvirt.org</a> </blockquote></div>