Yes, few months ago I had enabled mirroring for few weeks and disabled again. Is there any additional actions has to be taken regarding journalling also ??
fyi. I also have copied rbd image into one newly created pool but after few weeks new pool grew up again to 11TB which is current state
--
BR
Max
> On 13. Dec 2020, at 14:34, Jason Dillaman <jdillama@xxxxxxxxxx> wrote:
>
> On Sun, Dec 13, 2020 at 6:03 AM mk <mk@xxxxxx> wrote:
>>
>> rados ls -p ssdshop
>> outputs 20MB of lines without any bench prefix
>> ...
>> rbd_data.d4993cc3c89825.00000000000074ec
>> rbd_data.d4993cc3c89825.0000000000001634
>> journal_data.83.d4993cc3c89825.333485
>> journal_data.83.d4993cc3c89825.380648
>> journal_data.83.d4993cc3c89825.503838
>> ...
>
> If you have journal objects indexed at 333485 and 503838, that's
> nearly 2TiBs of data right there. Sounds like you enabled journaling
> and mirroring but perhaps never turned it off when you stopped using
> it?
>
>>> On 13. Dec 2020, at 11:05, Anthony D'Atri <anthony.datri@xxxxxxxxx> wrote:
>>>
>>> Any chance you might have orphaned `rados bench` objects ? This happens more than one might think.
>>>
>>> `rados ls > /tmp/out`
>>>
>>> Inspect the result. You should see a few administrative objects, some header and data objects for the RBD volume. If you see a zillion with names like `bench*` there’s your culprit. Those can be cleaned up.
>>>
>>>
>>>
>>>> On Dec 12, 2020, at 11:42 PM, mk <mk@xxxxxx> wrote:
>>>>
>>>> Hi folks,
>>>> my cluster shows strange behavior, the only ssd pool on cluster with repsize 3 and pg/pgp size 512
>>>> which contains 300GB rbd image and only one snapshot occupies 11TB space!
>>>>
>>>> I have tried objectmap check / rebuild, fstrim etc. which couldn’t solve that problem, any help would be appreciated.
>>>>
>>>>
>>>> ceph version 14.2.7 nautilus (stable)
>>>>
>>>>
>>>> ceph df
>>>> -------
>>>> RAW STORAGE:
>>>> CLASS SIZE AVAIL USED RAW USED %RAW USED
>>>> hdd 107 TiB 68 TiB 39 TiB 39 TiB 36.45
>>>> ssd 21 TiB 11 TiB 11 TiB 11 TiB 50.78
>>>> TOTAL 128 TiB 78 TiB 50 TiB 50 TiB 38.84
>>>>
>>>> POOLS:
>>>> POOL ID STORED OBJECTS USED %USED MAX AVAIL
>>>> ssdshop 83 3.5 TiB 517.72k 11 TiB 96.70 124 GiB
>>>>
>>>>
>>>> rados df
>>>> --------
>>>> POOL_NAME USED OBJECTS CLONES COPIES MISSING_ON_PRIMARY UNFOUND DEGRADED RD_OPS RD WR_OPS WR USED COMPR UNDER COMPR
>>>> ssdshop 11 TiB 537040 28316 1611120 0 0 0 11482773 15 GiB 44189589 854 GiB 0 B 0 B
>>>>
>>>>
>>>>
>>>> rbd du -p ssdshop
>>>> -----------------
>>>> NAME PROVISIONED USED
>>>> shp-de-300gb.rbd@snap_2020-12-12_20:30:00 300 GiB 289 GiB
>>>> shp-de-300gb.rbd 300 GiB 109 GiB
>>>> <TOTAL> 300 GiB 398 GiB
>>>>
>>>>
>>>> crush_rule
>>>> -----------
>>>> rule ssd {
>>>> id 3
>>>> type replicated
>>>> min_size 1
>>>> max_size 10
>>>> step take dc1 class ssd
>>>> step chooseleaf firstn 2 type rack
>>>> step emit
>>>> step take dc2 class ssd
>>>> step chooseleaf firstn -1 type rack
>>>> step emit
>>>> }
>>>>
>>>> BR
>>>> Max
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>>> _______________________________________________
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>> _______________________________________________
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>
>
>
> --
> Jason
> _______________________________________________
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