Re: [Qemu-devel] [PATCH] Option to continue after migration

[Jamie Lokier]

Nathan Baum wrote:
> Hello,
> 
> This patch adds a -c "continue" option to the migrate command which
> causes the originating VM to remain running after migration, assuming it
> was running before.
> 
> I've done this primarily so that I can do "migrate -d -c exec:cat>file"
> to take a snapshot without needing to have a snapshot-capable drive
> attached, or wait until migration is complete and continue the VM
> manually.

When you later resume from the snapshot, isn't the state of virtual
disks corrupted by the activity after the snapshot was taken?  When
the guest resumes, even though the disks will be corrupted, it won't
_know_ they are corrupted (unlike a reboot), so may proceed to make
things worse.

-- Jamie