----- Original Message ----- > From: "Stefan Hajnoczi" <stefa...@gmail.com> > To: "Federico Simoncelli" <fsimo...@redhat.com> > Cc: qemu-devel@nongnu.org, kw...@redhat.com, mtosa...@redhat.com > Sent: Thursday, February 23, 2012 5:35:23 PM > Subject: Re: [Qemu-devel] Live Block Migration using Mirroring > > On Wed, Feb 22, 2012 at 5:13 PM, Federico Simoncelli > <fsimo...@redhat.com> wrote: > > recently I've been working on live block migration combining the > > live > > snapshots and the blkmirror patch sent by Marcelo Tosatti few > > months ago. > > > > The design is summarized at this url as "Mirrored-Snapshot": > > > > http://www.ovirt.org/wiki/Features/Design/StorageLiveMigration > > After mirrored-snapshot completes we're left with the base and the > snapshot. Is the idea to implement live snapshot merge next? Or do > you have something else planned to avoid growing the backing file > chain each time mirrored-snapshot is used?
The general idea is that I don't expect the need to migrate to a new storage to be very frequent. Being able to live merge the new snapshot would be great. -- Federico
