Live snapshots operation extend regular snapshots as follow:

• Create a locked snapshot in DB

Hi,
  oVirt, and more specifically VDSM, is currently implementing the live
snapshot feature using the API/commands provided by libvirt and qemu.
It would be great if you could review the design and the current open
issues at:

  http://ovirt.org/wiki/Live_Snapshots

Thank you,

-- 
Shu Ming <shuming@linux.vnet.ibm.com>
IBM China Systems and Technology Laboratory