[openstack-dev] [Cinder] FFE request for RBD replication

Michał Dulko michal.dulko at intel.com
Mon Sep 12 08:24:23 UTC 2016


+1, thanks for taking care of that!

On 09/12/2016 03:35 AM, Huang Zhiteng wrote:
> +1 for this long-waited feature to land in Newton.
>
> On Sun, Sep 11, 2016 at 1:09 AM, Jay S. Bryant
> <jsbryant at electronicjungle.net <mailto:jsbryant at electronicjungle.net>>
> wrote:
>
>     +1 from me.  It is making good progress and is low risk.
>
>     -Jay
>
>
>
>     On 09/09/2016 02:32 PM, Gorka Eguileor wrote:
>
>         Hi,
>
>         As some of you may know, Jon Bernard (jbernard on IRC) has
>         been working
>         on the RBD v2.1 replication implementation [1] for a while,
>         and we would
>         like to request a Feature Freeze Exception for that work, as
>         we believe
>         it is a good candidate being a low risk change for the
>         integrity of
>         the existing functionality in the driver:
>
>         - It's non intrusive if it's not enabled (enabled using
>            replication_device configuration option).
>         - It doesn't affect existing deployments (disabled by default).
>         - Changes are localized to the driver itself (rbd.py) and the
>         driver
>            unit tests file (test_rbd.py).
>
>         Jon would have liked to make this request himself, but due to the
>         untimely arrival of his newborn baby this is not possible.
>
>         For obvious reasons Jon will not be available for a little
>         while, but
>         this will not be a problem, as I am well acquainted with the
>         code -and
>         I'll be able to reach Jon if necessary- and will be taking
>         care of the
>         final steps of the review process of his patch: replying to
>         comments in
>         a timely fashion, making changes to the code as required, and
>         answering
>         pings on IRC regarding the patch.
>
>         Since some people may be interested in testing this
>         functionality during
>         the reviewing process -or just for fun- I'll be publishing a
>         post with
>         detailed explanation on how to deploy and test this feature as
>         well as
>         an automated way to deploy 2 Ceph clusters -linked to be
>         mirroring one
>         another-, and one devstack node with everything ready to test the
>         functionality (configuration and keys for the Ceph clusters,
>         cinder
>         configuration, the latest upstream patch, and a volume type
>         with the
>         right configuration).
>
>         Please, do not hesitate to ask if there are any questions to
>         or concerns
>         related to this request.
>
>         Thank you for taking the time to evaluate this request.
>
>         Cheers,
>         Gorka.
>
>         [1]: https://review.openstack.org/333565
>         <https://review.openstack.org/333565>
>
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>
>
> -- 
> Regards
> Huang Zhiteng
>
>
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