[openstack-dev] [tempest][cinder] Clone feature toggle not in clone tests
sombrafam at gmail.com
Fri Aug 26 11:35:48 UTC 2016
He is mentioning about the Cinder side: https://review.openstack.org/#
On Fri, Aug 26, 2016 at 7:01 AM, Jordan Pittier <jordan.pittier at scality.com>
> On Thu, Aug 25, 2016 at 7:06 PM, Ben Swartzlander <ben at swartzlander.org>
>> Originally the NFS driver did support snapshots, but it was implemented
>> by just 'cp'ing the file containing the raw bits. This works fine (if
>> inefficiently) for unattached volumes, but if you do this on an attached
>> volume the snapshot won't be crash consistent at all.
>> It was decided that we could do better for attached volumes by switching
>> to qcow2 and relying on nova to perform the snapshots. Based on this, the
>> bad snapshot implementation was removed.
>> However, for a variety of reasons the nova-assisted snapshot
>> implementation has remained unmerged for 2+ years and the NFS driver has
>> been an exception to the rules for that whole time.
> I am not sure to understand what you mean by "the nova-assisted snapshot
> implementation has remained unmerged for 2+ years". It looks merged to me
>  and several Cinder drivers dependent on it as far as I know.
> : http://developer.openstack.org/api-ref-compute-
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