Hi, currently some productive stuff is down, because it can not be accessed through cephfs. Client server restart, did not help. Cluster restart, did not help. Only ONE directory inside cephfs has this issue. All other directories are working fine. MDS Server: Kernel 4.5.4 client server: Kernel 4.5.4 ceph version 10.2.2 # ceph fs dump dumped fsmap epoch 92 e92 enable_multiple, ever_enabled_multiple: 0,0 compat: compat={},rocompat={},incompat={1=base v0.20,2=client writeable ranges,3=default file layouts on dirs,4=dir inode in separate object,5=mds uses versioned encoding,6=dirfrag is stored in omap,8=file layout v2} Filesystem 'ceph-gen2' (2) fs_name ceph-gen2 epoch 92 flags 0 created 2016-06-11 21:53:02.142649 modified 2016-06-14 11:09:16.783356 tableserver 0 root 0 session_timeout 60 session_autoclose 300 max_file_size 1099511627776 last_failure 0 last_failure_osd_epoch 2164 compat compat={},rocompat={},incompat={1=base v0.20,2=client writeable ranges,3=default file layouts on dirs,4=dir inode in separate object,5=mds uses versioned encoding,6=dirfrag is stored in omap,8=file layout v2} max_mds 1 in 0 up {0=234109} failed damaged stopped data_pools 4 metadata_pool 5 inline_data disabled 234109: 10.0.0.11:6801/22255 'cephmon1' mds.0.89 up:active seq 250 Standby daemons: 204171: 10.0.0.13:6800/19434 'cephmon3' mds.-1.0 up:standby seq 1 ceph --admin-daemon ceph-mds.cephmon1.asok dump_ops_in_flight { "ops": [ { "description": "client_request(client.204153:432 getattr pAsLsXsFs #10000001432 2016-07-25 21:57:30.697894 RETRY=2)", "initiated_at": "2016-07-26 04:24:05.528832", "age": 816.092461, "duration": 816.092528, "type_data": [ "failed to rdlock, waiting", "client.204153:432", "client_request", { "client": "client.204153", "tid": 432 }, [ { "time": "2016-07-26 04:24:05.528832", "event": "initiated" }, { "time": "2016-07-26 04:24:07.613779", "event": "failed to rdlock, waiting" } ] ] } ], "num_ops": 1 } 2016-07-26 04:32:09.355503 7ffb331ca700 0 log_channel(cluster) log [WRN] : 1 slow requests, 1 included below; oldest blocked for > 483.826590 secs 2016-07-26 04:32:09.355531 7ffb331ca700 0 log_channel(cluster) log [WRN] : slow request 483.826590 seconds old, received at 2016-07-26 04:24:05.528832: client_request(client.204153:432 getattr pAsLsXsFs #10000001432 2016-07-25 21:57:30.697894 RETRY=2) currently failed to rdlock, waiting Any idea ? :( -- Mit freundlichen Gruessen / Best regards Oliver Dzombic IP-Interactive mailto:info@xxxxxxxxxxxxxxxxx Anschrift: IP Interactive UG ( haftungsbeschraenkt ) Zum Sonnenberg 1-3 63571 Gelnhausen HRB 93402 beim Amtsgericht Hanau Geschäftsführung: Oliver Dzombic Steuer Nr.: 35 236 3622 1 UST ID: DE274086107 _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com