Hi,
Once in a while, today a bit more often, the MDS is logging the
following:
mds.mds1 [WRN] replayed op client.15327973:15585315,15585103 used ino
0x100009918de but session next is 0x10000873b8b
Nothing of importance is logged in the mds (debug_mds_log": "1/5").
What does this warning message mean / indicate?
At some point this client (ceph-fuse, mimic 13.2.1) triggers the following:
mon.mon1 [WRN] Health check failed: 1 MDSs report slow requests
(MDS_SLOW_REQUEST)
mds.mds2 [WRN] 1 slow requests, 1 included below; oldest blocked for >
30.911624 secs
mds.mds2 [WRN] slow request 30.911624 seconds old, received at
2018-09-12 15:18:44.739321: client_request(client.15732335:9506 lookup
#0x100006901a7/ctdb_recovery_lock caller_uid=0, caller_gid=0{}) currently failed to
rdlock, waiting
mds logging:
2018-09-12 11:35:07.373091 7f80af91e700 0 -- [2001:7b8:80:3:0:2c:3:2]:6800/1086374448 >> [2001:7b8:81:7::11]:0/2366241118 conn(0x56332404f000 :6800 s=STATE_ACCEPTING_WAIT_CONNECT_MSG_AUTH pgs=0 cs=0 l=0).handle_connect_msg: challenging authorizer
2018-09-12 13:24:17.000787 7f80af91e700 0 -- [2001:7b8:80:3:0:2c:3:2]:6800/1086374448 >> [2001:7b8:81:7::11]:0/526035198 conn(0x56330c726000 :6800 s=STATE_ACCEPTING_WAIT_CONNECT_MSG_AUTH pgs=0 cs=0 l=0).handle_connect_msg: challenging authorizer
2018-09-12 15:21:17.176405 7f80af91e700 0 -- [2001:7b8:80:3:0:2c:3:2]:6800/1086374448 >> [2001:7b8:81:7::11]:0/526035198 conn(0x56330c726000 :6800 s=STATE_OPEN pgs=3 cs=1 l=0).fault server, going to standby
2018-09-12 15:22:26.641501 7f80af91e700 0 -- [2001:7b8:80:3:0:2c:3:2]:6800/1086374448 >> [2001:7b8:81:7::11]:0/526035198 conn(0x5633678f7000 :6800 s=STATE_ACCEPTING_WAIT_CONNECT_MSG_AUTH pgs=0 cs=0 l=0).handle_connect_msg: challenging authorizer
2018-09-12 15:22:26.641694 7f80af91e700 0 -- [2001:7b8:80:3:0:2c:3:2]:6800/1086374448 >> [2001:7b8:81:7::11]:0/526035198 conn(0x5633678f7000 :6800 s=STATE_ACCEPTING_WAIT_CONNECT_MSG_AUTH pgs=0 cs=0 l=0).handle_connect_msg accept connect_seq 2 vs existing csq=1 existing_state=STATE_STANDBY
2018-09-12 15:22:26.641971 7f80af91e700 0 -- [2001:7b8:80:3:0:2c:3:2]:6800/1086374448 >> [2001:7b8:81:7::11]:0/526035198 conn(0x56330c726000 :6800 s=STATE_ACCEPTING_WAIT_CONNECT_MSG_AUTH pgs=3 cs=1 l=0).handle_connect_msg: challenging authorizer
Thanks,
Stefan
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