Ah crap, I didn't reply to the list :D tldr for the rest of the list: move to next release because of bad bug https://tracker.ceph.com/issues/53729#note-65 I would go to pacific and then wait some time so the pglog_dups get cleaned up. Pacific and quincy are really nice releases that worked very well for us. Am Fr., 23. Aug. 2024 um 18:08 Uhr schrieb Özkan Göksu <ozkangksu@gmail.com
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Hello Boris. Thank you so much for the recommendation.
Actually my intention is jumping next releases until I reach Quincy. What do you think about this? Am I gonna face with any problem while jumping Octopus to Pacific and Quincy after ?
Best regards.
Boris <bb@kervyn.de>, 23 Ağu 2024 Cum, 18:56 tarihinde şunu yazdı:
Hi, I would suggest to move fast to the next release. There was a bug that still haunts my sleep that is known as the PGLOG_DUP bug.
You can check if you are suffering from it here: https://tracker.ceph.com/issues/53729#note-65
Basically the pglog dups would not be cleaned anymore. And snaptrim seems to trigger that. The pacific release got the fix.
Cheers Boris
Am Fr., 23. Aug. 2024 um 16:48 Uhr schrieb Özkan Göksu < ozkangksu@gmail.com>:
Hello folks.
We have a ceph cluster and we have 2000+ RBD drives on 20 nodes.
We upgraded the cluster from 14.2.16 to 15.2.14 and after the upgrade we started to see snap trim issues. Without the "nosnaptrim" flag, the system is not usable right now.
I think the problem is because of the omap conversion at Octopus upgrade.
Note that the first time each OSD starts, it will do a format conversion to improve the accounting for “omap” data. This may take a few minutes to as much as a few hours (for an HDD with lots of omap data). You can disable this automatic conversion with:
What should I do to solve this problem?
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