Re: MDS rejects clients causing hanging mountpoint on linux kernel client

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I noticed a similar issue tonight. Still looking into the details, but here are the client logs I 

Oct  9 19:27:59 mon5-cx kernel: libceph: mds0 ***:6800 socket closed (con state OPEN)
Oct  9 19:28:01 mon5-cx kernel: libceph: mds0 ***:6800 connection reset
Oct  9 19:28:01 mon5-cx kernel: libceph: reset on mds0
Oct  9 19:28:01 mon5-cx kernel: ceph: mds0 closed our session
Oct  9 19:28:01 mon5-cx kernel: ceph: mds0 reconnect start
Oct  9 19:28:01 mon5-cx kernel: ceph: mds0 reconnect denied
Oct  9 19:28:01 mon5-cx kernel: ceph:  dropping dirty+flushing Fw state for ffff9109011c9980 1099517142146
Oct  9 19:28:01 mon5-cx kernel: ceph:  dropping dirty+flushing Fw state for ffff91096cc788d0 1099517142307
Oct  9 19:28:01 mon5-cx kernel: ceph:  dropping dirty+flushing Fw state for ffff9107da741f10 1099517142312
Oct  9 19:28:01 mon5-cx kernel: ceph:  dropping dirty+flushing Fw state for ffff9109d5c40e60 1099517141612
Oct  9 19:28:01 mon5-cx kernel: ceph:  dropping dirty+flushing Fw state for ffff9108c9337da0 1099517142313
Oct  9 19:28:01 mon5-cx kernel: ceph:  dropping dirty+flushing Fw state for ffff9109d5c70340 1099517141565
Oct  9 19:28:01 mon5-cx kernel: ceph:  dropping dirty+flushing Fw state for ffff910955acf810 1099517141792
Oct  9 19:28:01 mon5-cx kernel: ceph:  dropping dirty+flushing Fw state for ffff91095ff56cf0 1099517142006
Oct  9 19:28:01 mon5-cx kernel: ceph:  dropping dirty+flushing Fw state for ffff91096cc7f280 1099517142309
Oct  9 19:28:01 mon5-cx kernel: libceph: mds0 ***:6800 socket closed (con state NEGOTIATING)
Oct  9 19:28:02 mon5-cx kernel: ceph: mds0 rejected session
Oct  9 19:28:02 mon5-cx monit: Lookup for '/srv/repos' filesystem failed  -- not found in /proc/self/mounts
Oct  9 19:28:02 mon5-cx monit: Filesystem '/srv/repos' not mounted
Oct  9 19:28:02 mon5-cx monit: 'repos' unable to read filesystem '/srv/repos' state
...
Oct  9 19:28:09 mon5-cx kernel: ceph: get_quota_realm: ino (1.fffffffffffffffe) null i_snap_realm
Oct  9 19:28:24 mon5-cx kernel: ceph: get_quota_realm: ino (1.fffffffffffffffe) null i_snap_realm
Oct  9 19:28:39 mon5-cx kernel: ceph: get_quota_realm: ino (1.fffffffffffffffe) null i_snap_realm
...
Oct  9 21:27:09 mon5-cx kernel: ceph: get_quota_realm: ino (1.fffffffffffffffe) null i_snap_realm
Oct  9 21:27:24 mon5-cx kernel: ceph: get_quota_realm: ino (1.fffffffffffffffe) null i_snap_realm
Oct  9 21:27:27 mon5-cx monit: Lookup for '/srv/repos' filesystem failed  -- not found in /proc/self/mounts
Oct  9 21:27:27 mon5-cx monit: Filesystem '/srv/repos' not mounted
Oct  9 21:27:27 mon5-cx monit: 'repos' unable to read filesystem '/srv/repos' state
Oct  9 21:27:27 mon5-cx monit: 'repos' trying to restart

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