On 12/01/2016 16:20, Kevin Wolf wrote: > > Flash is already being snapshotted as part of saving RAM state. In > > fact, for this reason the device (at least the one used with OVMF; I > > haven't checked other pflash devices) can simply save it back to disk > > on the migration destination, without the need to use "migrate -b" or > > shared storage. > > Boy, is this ugly... > > What do you do with disk-only snapshots? The recovery only works as long > as you have VM state.
Turns out I had misunderstood Denis's patch, but FWIW this _is_ done as part of migration or savevm, so the VM state is available. Paolo