Dear All, I've just updated my VM hosts to Scientific Linux 6.3. After setting the Disk cache mode to "default" (writethrough?) rather than "none" I get the following error when I try to migrate the VM: migrating wiki1 error: Unsafe migration: Migration may lead to data corruption if disks use cache != none Is gluster "coherent" across nodes, if so can I just use the --unsafe flag to force the move? Many thanks, Jake