Re: OSD crash on Onode::put

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Hi Anthony and Serkan,

I think Anthony had the right idea. I forgot that we re-deployed a number of OSDs on existing drives and also did a PG split over Christmas. The relatively few disks that stick out with cache_other usage seem all to be these newly deployed OSDs. So, it looks like that the cach_other item leakage is rather mild in normal operations, but can be substantial after backfilling new disks.

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

________________________________________
From: Frank Schilder
Sent: 11 January 2023 12:21:30
To: Serkan Çoban; Anthony D'Atri
Cc: ceph-users@xxxxxxx
Subject: Re:  Re: OSD crash on Onode::put

Hi Anthony and Serkan,

I checked the drive temperatures and there is nothing special about this slot. The disks in this slot are from different vendors and were not populated incrementally. It might be a very weird coincidence. I seem to have an OSD developing this problem in another slot on a different host now. Let's see what happens in the future. No reason to turn superstitious :)

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