On 04/24/2015 05:36 PM, Paolo Bonzini wrote: > > > On 24/04/2015 11:38, Wen Congyang wrote: >>>> >>>> That can be done with drive-mirror. But I think it's too early for that. >> Do you mean use drive-mirror instead of quorum? > > Only before starting up a new secondary. Basically you do a migration > with non-shared storage, and then start the secondary in colo mode. > > But it's only for the failover case. Quorum (or a new block/colo.c > driver or filter) is fine for normal colo operation.
Is nbd+colo needed to connect the NBD server later? Thanks Wen Congyang > > Paolo > . >