I am just quoting Ilya from a few days ago :
> None of the "new" features are currently supported by krbd. 4.7 will
> support exclusive-lock with most of the rest following in 4.8.
> You don't have to recreate images: while those features are enabled in
> jewel by default, you should be able to dynamically disable them with
> "rbd feature disable imagename deep-flatten fast-diff object-map
> exclusive-lock".
> support exclusive-lock with most of the rest following in 4.8.
> You don't have to recreate images: while those features are enabled in
> jewel by default, you should be able to dynamically disable them with
> "rbd feature disable imagename deep-flatten fast-diff object-map
> exclusive-lock".
On Fri, Apr 22, 2016 at 3:11 PM, Florent B <florent@xxxxxxxxxxx> wrote:
Hi Sage and thank you for this release :)
On 04/21/2016 08:30 PM, Sage Weil wrote:
> * The default RBD image features for new images have been updated to
> enable the following: exclusive lock, object map, fast-diff, and
> deep-flatten. These features are not currently supported by the RBD
> kernel driver nor older RBD clients. They can be disabled on a per-image
> basis via the RBD CLI, or the default features can be updated to the
> pre-Jewel setting by adding the following to the client section of the Ceph
> configuration file::
>
> rbd default features = 1
When will krbd support these features ? 4.4 does not support it ?
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