Re: Recoveries without any misplaced objects?

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On 29/05/2023 20.55, Anthony D'Atri wrote:
> Check the uptime for the OSDs in question

I restarted all my OSDs within the past 10 days or so. Maybe OSD
restarts are somehow breaking these stats?

> 
>> On May 29, 2023, at 6:44 AM, Hector Martin <marcan@xxxxxxxxx> wrote:
>>
>> Hi,
>>
>> I'm watching a cluster finish a bunch of backfilling, and I noticed that
>> quite often PGs end up with zero misplaced objects, even though they are
>> still backfilling.
>>
>> Right now the cluster is down to 6 backfilling PGs:
>>
>>  data:
>>    volumes: 1/1 healthy
>>    pools:   6 pools, 268 pgs
>>    objects: 18.79M objects, 29 TiB
>>    usage:   49 TiB used, 25 TiB / 75 TiB avail
>>    pgs:     262 active+clean
>>             6   active+remapped+backfilling
>>
>> But there are no misplaced objects, and the misplaced column in `ceph pg
>> dump` is zero for all PGs.
>>
>> If I do a `ceph pg dump_json`, I can see `num_objects_recovered`
>> increasing for these PGs... but the misplaced count is still 0.
>>
>> Is there something else that would cause recoveries/backfills other than
>> misplaced objects? Or perhaps there is a bug somewhere causing the
>> misplaced object count to be misreported as 0 sometimes?
>>
>> # ceph -v
>> ceph version 17.2.6 (d7ff0d10654d2280e08f1ab989c7cdf3064446a5) quincy
>> (stable)
>>
>> - Hector
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>> ceph-users mailing list -- ceph-users@xxxxxxx
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> 
> 

- Hector
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