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...ource file='/tmp/test-volume.qcow2'/> </disk> </disks> </domainsnapshot> This creates overlay qcow snapshot on top of my base ZFS volume 3. Transfer ZFS volume (with last snapshot) to remote host 4. Run live migration with setting XML from step 1 as DestXML and PersistXML parameter and with VIR_MIGRATE_NON_SHARED_INC flag This creates domain without snapshot on the remote host and migrates only data from qcow overlay and commits them to the ZFS base volume. What I don't like about this, is that I need to create and care about qcow image. The best solution for...

Hi all, I'm using ZFS on Linux block volumes as my VM storage and want to do live migrations between hypervisors. If I create ZFS snapshot of used volume on source host, send it do destination host (zfs send/recv) and then run live migration with VIR_MIGRATE_NON_SHARED_DISK flag, the migration works OK. But this procedure copies the whole disk twice which is a huge downside. The best