Hi
[root@ceph1 ~]# ceph version
ceph version 13.2.4 (b10be4d44915a4d78a8e06aa31919e74927b142e) mimic
(stable)
We've run into a "No space left on device" issue when trying to delete a
file, despite there being free space:
[root@ceph1 ~]# ceph df
GLOBAL:
SIZE AVAIL RAW USED %RAW USED
3.2 PiB 871 TiB 2.3 PiB 73.42
POOLS:
NAME ID USED %USED MAX AVAIL
OBJECTS
mds_nvme 3 2.7 MiB 0 527 GiB
2636225
compressed_ecpool 4 2.3 PiB 92.13 197 TiB
858679630
ecpool_comp_TEST_ONLY 5 0 B 0 197 TiB
0
Creating files/directories is fine.
We do have 1M strays:
[root@ceph1 ~]# ceph daemon mds.ceph1 perf dump | grep num_strays
"num_strays": 1000000,
"num_strays_delayed": 0,
"num_strays_enqueuing": 0,
and I found a post from 2016
(http://lists.ceph.com/pipermail/ceph-users-ceph.com/2016-October/013646.html)
that suggests:
run ' ceph daemon mds.xxx flush journal' to flush MDS journal
stop all mds
run 'cephfs-data-scan scan_links'
restart mds
run 'ceph daemon mds.x scrub_path / recursive repair'
That was for jewel, is this still the recommended action for mimic?
Cheers
Toby
--
Toby Darling, Scientific Computing (2N249)
MRC Laboratory of Molecular Biology
Francis Crick Avenue
Cambridge Biomedical Campus
Cambridge CB2 0QH
Phone 01223 267070
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