* Wen Congyang (we...@cn.fujitsu.com) wrote: > On 06/27/2015 03:03 AM, Dr. David Alan Gilbert wrote:
<snip> > > Ah, I hadn't realised you could do that; so do you just do: > > > > migrate_set_parameter colo on > > migrate -d -b tcp:otherhhost:port > > > > How does the secondary know to feed that data straight into the disk without > > recording all the old data into the hidden-disk ? > > hidden disk and active disk will be made empty when starting block > replication. Hmm, yes - I think I need to update to your current world; in the version from the end of May, I get a 'error while loading state for instance 0x0 of device 'block'' if I try to use migrate -d -b (the bdrv_write fails) > >> If the user uses mirror job, we don't cancel the mirror job now. > > > > It would be good to get it to work with mirror, that seems preferred these > > days to the old block migration. > > In normal migration, is mirror job created and cancelled by libvirt? Yes, I think so; you should be able to turn on full logging on libvirt and watch the qmp commands it sends. Dave -- Dr. David Alan Gilbert / dgilb...@redhat.com / Manchester, UK