Kevin, > From: Kevin Wolf [mailto:kw...@redhat.com] > Am 05.12.2016 um 12:49 hat Pavel Dovgalyuk geschrieben: > > > From: Kevin Wolf [mailto:kw...@redhat.com] > > > > It's not a requirement. But to make replay deterministic we have to > > start with the same image every time. As I know, this may be achieved by: > > 1. Restoring original disk image manually > > 2. Using vm snapshot to start execution from > > 3. Using -snapshot option > > 4. Not using disks at all > > > > > Because if it has to be > > > there, the next step could be that blkreplay creates temporary-overlay > > > internally in its .bdrv_open(). > > > > Here is your answer about such an approach :) > > https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg04687.html > > Right, and unfortunately these are still good points. > > Especially the part where you allowed to give the overlay filename > really needs to work the way it does now with the 'image' option. We > might not need to be that strict with temporary overlays, restricting to > qcow2 with default options could be acceptable there - but whatever I > think of to support both cases results in something that isn't really > easier than the manual way that we figured out above.
What about the new version? Pavel Dovgalyuk
