Hi!
still no luck - somehow /var/lib/nfs cannot be unmounted after cleanly
after ocf:heartbeat:nfsserver was started
Jun 6 06:18:44 blofecn2 pacemaker-controld[7732]: notice: Requesting local
execution of stop operation for nfs_daemon on blofecn-node2
Jun 6 06:18:44 blofecn2 nfsserver(nfs_daemon)[3258604]: INFO: Stopping NFS
server ...
Jun 6 06:18:44 blofecn2 systemd[1]: Stopping NFS server and services...
...
Jun 6 06:18:44 blofecn2 kernel: [1208580.651530] nfsd: last server has exited,
flushing export cache
Jun 6 06:18:44 blofecn2 systemd[1]: nfs-server.service: Deactivated
successfully.
Jun 6 06:18:44 blofecn2 systemd[1]: Stopped NFS server and services.
Jun 6 06:18:44 blofecn2 systemd[1]: Stopping NFSv4 ID-name mapping service...
Jun 6 06:18:44 blofecn2 systemd[1]: Stopping NFS Mount Daemon...
Jun 6 06:18:44 blofecn2 rpc.mountd[21260]: Caught signal 15, un-registering
and exiting.
Jun 6 06:18:44 blofecn2 rpc.idmapd[21256]: exiting on signal 15
Jun 6 06:18:44 blofecn2 nfsserver(nfs_daemon)[3258604]: INFO: Stopping
sm-notify
Jun 6 06:18:44 blofecn2 systemd[1]: nfs-mountd.service: Deactivated
successfully.
Jun 6 06:18:44 blofecn2 systemd[1]: Stopped NFS Mount Daemon.
Jun 6 06:18:44 blofecn2 systemd[1]: nfs-mountd.service: Consumed 8.098s CPU
time.
Jun 6 06:18:44 blofecn2 systemd[1]: nfs-idmapd.service: Main process exited,
code=exited, status=1/FAILURE
Jun 6 06:18:44 blofecn2 systemd[1]: nfs-idmapd.service: Failed with result
'exit-code'.
Jun 6 06:18:44 blofecn2 systemd[1]: Stopped NFSv4 ID-name mapping service.
Jun 6 06:18:44 blofecn2 systemd[1]: nfs-idmapd.service: Consumed 1.673s CPU
time.
Jun 6 06:18:44 blofecn2 nfsserver(nfs_daemon)[3258604]: INFO: Stopping
rpc.statd
Jun 6 06:18:45 blofecn2 nfsserver(nfs_daemon)[3258604]: INFO: Stop: umount
(1/10 attempts)
Jun 6 06:18:45 blofecn2 systemd[1]: var-lib-nfs-rpc_pipefs.mount: Deactivated
successfully.
Jun 6 06:18:46 blofecn2 nfsserver(nfs_daemon)[3258604]: ERROR: Failed to
unmount /var/lib/nfs
Jun 6 06:18:46 blofecn2 nfsserver(nfs_daemon)[3258604]: ERROR: Failed to
unmount a bind mount
Jun 6 06:18:46 blofecn2 pacemaker-execd[7728]: notice:
nfs_daemon_stop_0[3258604] error output [ umount: /var/lib/nfs: target is busy.
]
Jun 6 06:18:46 blofecn2 pacemaker-execd[7728]: notice:
nfs_daemon_stop_0[3258604] error output [ ocf-exit-reason:Failed to unmount a
bind mount ]
Jun 6 06:18:46 blofecn2 pacemaker-controld[7732]: notice: Result of stop
operation for nfs_daemon on blofecn-node2: error (Failed to unmount a bind
mount)
Jun 6 06:18:46 blofecn2 pacemaker-controld[7732]: notice:
blofecn-node2-nfs_daemon_stop_0:455 [ umount: /var/lib/nfs: target is
busy.\nocf-exit-reason:Failed to unmount a bind mount\n ]
pcs resource config nfs_daemon
Resource: nfs_daemon (class=ocf provider=heartbeat type=nfsserver)
Attributes: nfs_no_notify=true nfs_shared_infodir=/var/lib/nfs
Operations: monitor interval=10s timeout=20s (nfs_daemon-monitor-interval-10s)
start interval=0s timeout=40s (nfs_daemon-start-interval-0s)
stop interval=0s timeout=20s (nfs_daemon-stop-interval-0s)
So it seems the issue is not the bind mount. But something holding
/var/lib/nfs active after the resource was started so it cannot be
stopped without fencing.
How to debug that ?
Best wishes
Jacob
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https://bugs.launchpad.net/bugs/2065848
Title:
An ocf:heartbeat:nfsserver resource's stop operation succeeded despite
the /var/lib/nfs filesystem failing to unmount.
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