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?