On 04/13/2013 02:56 AM, Wenchao Xia wrote: > This interface returns info of valid internal snapshots for whole vm. > > Signed-off-by: Wenchao Xia <xiaw...@linux.vnet.ibm.com> > --- > block/qapi.c | 17 +++++++++++++++ > qapi-schema.json | 14 +++++++++++++ > qmp-commands.hx | 58 > ++++++++++++++++++++++++++++++++++++++++++++++++++++++ > 3 files changed, 89 insertions(+), 0 deletions(-)
> +query-snapshots > +--------------- > + > +Show the internal consistent snapshot information > + > +Consistent snapshots are snapshots that exist in all writeable block devices. > +When 'savevm' takes a snapshot it uses the same ID across all writeable block > +devices. If a snapshot ID only exists in one block device then it is not a > +consistent one. Each snapshot is represented by a json-object and the > returned > +value is a json-array of all snapshots Does it really share the same snapshot ID across all block devices, or is it just the snapshot tag that gets shared? That is, if I have just disk a, take one snapshot, then hotplug disk b, then take another snapshot, doesn't that leave me with: disk a: id 1 tag A, id 2 tag B disk b: id 1 tag B? -- Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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