Did you ever figure out what was happening here? David On Mon, May 29, 2023, at 07:16, Hector Martin wrote:
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@marcan.st> 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)
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