[openstack-dev] [cinder][nova] snapshot and cloning for NFS backend

Kekane, Abhishek Abhishek.Kekane at nttdata.com
Tue Jul 28 08:00:37 UTC 2015

Hi Devs,

There is an NFS backend driver for cinder, which supports only limited volume handling features. Specifically, "snapshot" and "cloning" features are missing.

Eric Harney has proposed a feature of "NFS driver snapshot" [1][2][3], which was approved on Dec 2014 but not implemented yet.

[1] blueprint https://blueprints.launchpad.net/cinder/+spec/nfs-snapshots
[2] cinder-specs https://review.openstack.org/#/c/133074/  - merged for Kilo but moved to Liberty
[3] implementation https://review.openstack.org/#/c/147186/  - WIP

As of now [4] nova patch is a blocker for this feature.
I have tested this feature by applying [4] nova patch and it is working as per expectation.

[4] https://review.openstack.org/#/c/149037/

IMO this is a very useful feature and I want to know communities opinion/direction about getting it merged during liberty time-frame.

Thanks & Regards,

Abhishek Kekane

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