Hi all,
I am seeing issues on cephfs running 13.2.5 when deleting files:
[root@osd006 ~]# rm /mnt/ceph/backups/osd006.gigalith.os-2b5a3740.1326700
rm: remove regular empty file
‘/mnt/ceph/backups/osd006.gigalith.os-2b5a3740.1326700’? y
rm: cannot remove
‘/mnt/ceph/backups/osd006.gigalith.os-2b5a3740.1326700’: No space left
on device
few minutes later, I can remove it without problem. This happens
especially when there are a lot of files deleted somewhere on the
filesystem around the same time.
We already have tuned our mds config:
[mds]
mds_cache_memory_limit=10737418240
mds_log_max_expiring=200
mds_log_max_segments=200
mds_max_purge_files=2560
mds_max_purge_ops=327600
mds_max_purge_ops_per_pg=20
ceph -s is reporting everything clean, and the file system space usage
is less than 50%, also no full osds or anything.
Is there a way to further debug what the bottleneck is when removing
files that gives this 'no space left on device' error?
Thank you very much!
Kenneth
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