[ceph-users] Luminous, RGW bucket resharding

Andreas Calminder andreas.calminder at klarna.com
Mon Dec 4 22:08:28 PST 2017

Is there anything in the bug tracker about the resharding issues that
I can check, just to follow progress?


On 4 December 2017 at 18:57, Orit Wasserman <owasserm at redhat.com> wrote:
> Hi Andreas,
> On Mon, Dec 4, 2017 at 11:26 AM, Andreas Calminder
> <andreas.calminder at klarna.com> wrote:
>> Hello,
>> With release 12.2.2 dynamic resharding bucket index has been disabled
>> when running a multisite environment
>> (http://tracker.ceph.com/issues/21725). Does this mean that resharding
>> of bucket indexes shouldn't be done at all, manually, while running
>> multisite as there's a risk of corruption?
> You will need to stop the sync on the bucket before doing the
> resharding and start it again after the resharding completes.
> It will start a full sync on the bucket (it doesn't mean we copy the
> objects but we go over on all of them to check if the need to be
> synced).
> We will automate this as part of the reshard admin command in the next
> Luminous release.
>> Also, as dynamic bucket resharding was/is the main motivator moving to
>> Luminous (for me at least) is dynamic reshardning something that is
>> planned to be fixed for multisite environments later in the Luminous
>> life-cycle or will it be left disabled forever?
> We are planning to enable it in Luminous time.
> Regards,
> Orit
>> Thanks!
>> /andreas
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