Yes, there is: 
https://github.com/frans42/ceph-goodies/blob/main/doc/TuningScrub.md

This is work in progress and a few details are missing, but it should help you 
find the right parameters. Note that this is tested on octopus with WPQ.

Best regards,
=================
Frank Schilder
AIT Risø Campus
Bygning 109, rum S14

________________________________________
From: Manuel Oetiker <man...@oetiker.ch>
Sent: Thursday, June 13, 2024 4:37 PM
To: ceph-users@ceph.io
Subject: [ceph-users] deep scrubb and scrubb does get the job done

Hi

our cluster is on warning for more than two weeks we had to move some pools 
form ssd to hdd
and it looked good ... but somehow the pgs scrubb does not get done with his 
jobs

    * PG_NOT_DEEP_SCRUBBED : 171 pgs not deep-scrubbed in time
    * PG_NOT_SCRUBBED : 132 pgs not scrubbed in time

Till the move the cluster was happy without any warnings...

There is no have load on the cluster I don't see why the cluster get not done 
with that...
is there a way to find out why ...

Thanks for any hint
Manuel


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