Il 29/02/2012 20:47, Eric Blake ha scritto: > This falls out very nicely. > > Do we want to also add a 'reopen' operation to the union, for the > remaining action needed by oVirt live migration?
We can add it later, I think, if need arises. Switching to the destination need not be done atomically for all disks. (In fact, neither does the start-mirroring operation if you want to migrate multiple disks; it's just the snapshot+mirror pair that needs it). Paolo
