Am 03.11.2015 um 11:32 hat Alberto Garcia geschrieben:
> We are currently allowing snapshots in cases like this one:
>
> { 'execute': 'blockdev-add', 'arguments':
> { 'options': { 'driver': 'qcow2',
> 'node-name': 'new0',
> 'file': { 'driver': 'file',
> 'filename': 'new.qcow2',
> 'node-name': 'file0' } } } }
>
> { 'execute': 'blockdev-snapshot', 'arguments':
> { 'node': 'virtio0',
> 'overlay': 'file0' } }
>
> This patch forbids snapshots if the overlay node does not support
> backing files.
Thanks, applied to the block branch.
Kevin