One way this can happen is if you have the default setting
osd_scrub_during_recovery=false
If you’ve been doing a lot of [re]balancing, drive replacements, topology
changes, expansions, etc. scrubs can be starved especially if you’re doing EC
on HDDs.
HDD or SSD OSDs? Replication or EC?
Number of OSDs? Number of PGs? Values of osd_scrub_max interval and
osd_deep_scrub_interval ?
— aad
> On Jul 31, 2020, at 10:52 AM, [email protected] wrote:
>
> What happen when you do start a scrub manual?
>
> Imo
>
> ceph osd deep-scrub xyz
>
> Hth
> Mehmet
>
>
> Am 31. Juli 2020 15:35:49 MESZ schrieb Carsten Grommel - Profihost AG
> <[email protected]>:
>> Hi,
>>
>> we are having problems with really long taking deep-scrubb processes
>> causing PG_NOT_DEEP_SCRUBBED and ceph HEALTH_WARN. One ph is waiting
>> since 2020-05-18 for the deep-scrubb.
>>
>> Is there any way to speed up the deep-scrubbing?
>>
>> Ceph-Version:
>>
>> ceph version 14.2.8-3-gc6b8eedb77
>> (c6b8eedb771089fe3b0a95da93158ec4144758f3) nautilus (stable)
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