[pve-devel] savevm tests

[Dietmar Maurer]

Please ignore my previous post. here is the correct one:

> > note :I don't know how it's works in you don't have the snapshot on
> > all the disks.
> > exemple : add a disk, take a snap1, add a second disk, take a snap2,
> > now rollback to snap1 ?
> 
> I think we need the following commands to deal with snapshots while the
> VM is running:
> 
> * create_snapshot: (savevm?)
> 
> 	- create an internal snapshot of all disk
> 	- optional including complete VM state (RAM)
> 	- use guest agent like 'blockdev_snapshot_sync'
> 
> * delete_snapshot:
> 
> 	- removes all internal snapshot with that name
> 
> Rollback is not needed, because we restart the VM for that case.

of cause, we need offline rollback (but no online rollback)
 
> Anything else?

dump_snapshot:

	- we need a way to save snapshot data for backup/vzdump