On Wed, Jul 6, 2016 at 2:21 AM, Radoslaw Zarzynski
<rzarzynski@xxxxxxxxxxxx> wrote:
> Hi Ilya,
>
> Thanks for the quick and detailed response.
>
> On Wed, Jul 6, 2016 at 1:41 AM, Ilya Dryomov <idryomov@xxxxxxxxx> wrote:
>> The code for exclusive-lock, object-map and fast-diff is pretty much
>> ready. We had a large prerequisite that had to go in before any of
>> these and it's been merged into 4.7, so it's now a matter of review and
>> more comprehensive testing. deep-flatten isn't ready, but should
>> follow shortly after.
>
> This sounds great.
>
>> No concrete plans for mirroring support yet.
>
> AFAIK the sole dependency for mirroring (from RBD volume
> consumer's POV) is journaling that in turn requires exclusive-lock.
> Having the last one in the code base opens a door for the whole
> feature. The user-space daemon (rbd-mirror) and tooling might be
> reused. Is that correct?
Yes, that should be correct.
Thanks,
Ilya
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