Actually it's the opposite: I have enabled it: `ceph config set 'osd.*' osd_scrub_during_recovery true`, but still no scrubbing. But now I'm started thinking that the change of `osd_scrub_during_recovery true` was not imminent. I have waited for some time, and then reverted it back to the default `false` As the balancing was nearly done - it started scrubbing. Is it possible that all OSDs in ACTING and UP acting sets of backfilling PGs are omitted from scrubbing? P.S. I think there's a misalignment with documentation, which states the default is `true`: https://docs.ceph.com/docs/nautilus/rados/configuration/osd-config-ref/#scru... Code tells it's `false`: https://github.com/ceph/ceph/blob/46324c2c263175ec562b5ecc178b2c74753c0a84/s... On Fri, May 29, 2020 at 1:10 PM Paul Emmerich <paul.emmerich@croit.io> wrote:

Did you disable "osd scrub during recovery"?

Paul

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On Fri, May 29, 2020 at 12:04 AM Vytenis A <vytenis.adm@gmail.com> wrote:

...

Forgot to mention the CEPH version we're running: Nautilus 14.2.9

On Fri, May 29, 2020 at 12:44 AM Vytenis A <vytenis.adm@gmail.com> wrote:

...

Hi list,

We have balancer plugin in upmap mode running for a while now:

health: HEALTH_OK

pgs: 1973 active+clean 194 active+remapped+backfilling 73 active+remapped+backfill_wait

recovery: 588 MiB/s, 343 objects/s

Our objects are stored on EC pool. We got an PG_NOT_DEEP_SCRUBBED alert and have noticed that no scrubbing (literally zero) was done since the balancing started. Has anyone some ideas why this is happening?

"pg deep-scrub <pgid>" did not help.

Thanks!

-- Vytenis

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-- Vytenis