[pve-devel] create snapshots

[Dietmar Maurer]

> what is the statefile argument ?
> I thinked that the state was saved inside the (first) disk. (so vmstate is
> snapshoted and we can rollback it easily) Or it's for doing some tests ?

The idea is to save the state into an external file. That will work for all storage
types.

> I don't know if the vmstate is ok, but it seem faster to take than using the
> savevm command. (and also qmp socket don't timeout like with savevm)

Sorry, I do not understand what you mean?

> When I tried to use loadvm, it complain that state is not available.(So we
> need to hack loadvm too to use external statefile)

# qm start -stateuri <statefile>

should do the trick - but I have not tested that.