On 26/01/2015 02:07, Zhang Haoyu wrote: > Hi, Kashyap > I've tried ‘drive_backup’ via QMP, > but the snapshots were missed to backup to destination, > I think the reason is that backup_run() only copy the > guest data regarding qcow2 image.
Yes, that's the case. QEMU cannot still access internal snapshots while the file is open. External snapshots are opened read-only, and can be copied with "cp" while QEMU is running. Paolo
