[openstack-dev] [tempest][cinder] Clone feature toggle not in clone tests

Erlon Cruz 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>
> wrote:
>> 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
> [1] and several Cinder drivers dependent on it as far as I know.
> [1]: http://developer.openstack.org/api-ref-compute-
> v2.1.html#os-assisted-volume-snapshots-v2.1
> <http://bit.ly/2aKbaTu>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstack.org/pipermail/openstack-dev/attachments/20160826/0bef92f7/attachment.html>

More information about the OpenStack-dev mailing list