Dockerized Ceph 17.2.6 on Ununtu 22.04
The Cephfs filesystem has a size of 180TB, used are only 66TB.
When running a `ls -lR` the output stops and all accesses to the directory
stall. ceph health says:
# ceph health detail
HEALTH_WARN 1 clients failing to respond to capability release; 1 MDSs
report slow requests
[WRN] MDS_CLIENT_LATE_RELEASE: 1 clients failing to respond to capability
release
mds.vol.ppc721.mvxstq(mds.0): Client dessert failing to respond to
capability release client_id: 6899709
[WRN] MDS_SLOW_REQUEST: 1 MDSs report slow requests
mds.vol.ppc721.mvxstq(mds.0): 1 slow requests are blocked > 30 secs
ceph -w shows:
[WRN] slow request 31.421408 seconds old, received at
2023-10-01T09:53:44.634849+0000: client
_request(client.7360117:2224947 getattr AsLsFs #0x4000012503f
2023-10-01T09:53:44.631148+0000 caller_uid=0, caller_gid=0{0,}) currently
failed to rdlock, waiting
[WRN] client.6899709 isn't responding to mclientcaps(revoke), ino
0x4000012503f pending pAsLs
XsFsc issued pAsLsXsFscb, sent 61.422148 seconds ago
The full output of ceph daemon [mds] dump inode 0x4000012503f, config show,
dump_ops_in_flight and "ceph -w" with timestamps can be found on
https://gist.github.com/test-erik/5de4a7bd632f62ab58c3115cfb876ae0
Do you have an idea what we can do about this?
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