On Sun, Jan 29, 2023 at 1:12 PM Jiatong Shen <yshxxsjt715@xxxxxxxxx> wrote:
>
> Hello Ilya,
>
> Thank you very much for the clarification! Another question, for some historical reasons, there are still some
> Luminous clients existing. Is it dangerous to sparsify an image which is still being used by a Luminous client?
The atomicity is ensured on the OSD side so with a Nautilus or Octopus
cluster and a lone Luminous client it should be fine.
Thanks,
Ilya
>
> Thank you very much for informing me that N/O are both retired. We are definitely going to investigate on
> upgrading.
>
> Best,
>
> Jiatong Shen
>
>
>
> On Sun, Jan 29, 2023 at 6:55 PM Ilya Dryomov <idryomov@xxxxxxxxx> wrote:
>>
>> On Sun, Jan 29, 2023 at 11:29 AM Jiatong Shen <yshxxsjt715@xxxxxxxxx> wrote:
>> >
>> > Hello community experts,
>> >
>> > I would like to know the status of rbd image sparsify. From the website,
>> > it should be added at Nautilus (
>> > https://docs.ceph.com/en/latest/releases/nautilus/ from pr (26226
>> > <https://github.com/ceph/ceph/pull/26226>,) ) but on mimic it is related
>> > again https://docs.ceph.com/en/latest/releases/octopus/) Is it still the
>> > same commit? or is there any update/bug fixes that is not backported to
>> > 14.x?
>>
>> Hi Jiatong,
>>
>> "rbd sparsify" for replicated pools [1] was released in Nautilus
>> (14.2.0). Support for EC pools [2] was added a bit later, targeted for
>> Octopus (15.2.0), but it was also made available in an early point
>> release of Nautilus (14.2.2).
>>
>> Please note that both Nautilus and Octopus releases are EOL and no
>> longer supported though.
>>
>> > I am also curious why it is named re-sparsify in the pr title?
>>
>> By default, all RBD images are sparse. "rbd sparsify" can bring some
>> of that sparseness back, hence the re- prefix.
>>
>> [1] https://github.com/ceph/ceph/pull/26226
>> [2] https://github.com/ceph/ceph/pull/27268
>>
>> Thanks,
>>
>> Ilya
>
>
>
> --
>
> Best Regards,
>
> Jiatong Shen
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