Re: [Qemu-devel] Adding Save States menu items

[Programmingkid]

On Oct 6, 2016, at 4:47 PM, Peter Maydell wrote:

> On 6 October 2016 at 12:59, Eric Blake <address@hidden> wrote:
>> Libvirt also learned that the qemu 'migrate-to-disk' format (used by
>> 'savevm' or 'migrate') is NOT self-descriptive - in order to fully and
>> safely revert to an earlier state, you HAVE to store the command line
>> (or a way to regenerate the command line) that was associated with the
>> qemu whose state you saved, along with tracking all hotplugs.  Since a
>> mere 'savevm' REQUIRES external information to safely be restored, you
>> would have to figure out a way to store this additional information
>> alongside whatever save files you plan on creating (and please don't
>> change the qcow2 file format to become a dumping grounds for this
>> additional information).
> 
> Good point. I think this is a fairly strong argument for
> keeping the "user friendly" interface to snapshots in the
> VM management layer, not QEMU itself.

Another great feature dies... just kidding. Thank you everyone for giving me
your feedback.