Hello !
On our Octopus (v15.2.15) cluster, mainly used for OpenStack,
We had several OSD crash.
Some would not restart with "no available blob id" assertion.
We found several related bugs :
https://tracker.ceph.com/issues/48216
https://tracker.ceph.com/issues/38272
The workaround that works is to fsck / repair the stopped OSD :
ceph-bluestore-tool --path /var/lib/ceph/osd/ceph-<osd_id> --command
repair
But it's not a long term solution.
I have seen a PR merged in 2019 here :
https://github.com/ceph/ceph/pull/28229
But don't find if it made to Octopus, and if it resolves completely the
problem.
I also wonder if someone had that problem with Pacific, which could
motivate us to upgrade from Octopus.
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