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
...
> 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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