A Filesystem resource that is used as an nfs_shared_infodir for an nfsserver resource fails to stop with "ERROR: Couldn't unmount /<path>/rpc_pipefs; trying cleanup with TERM" in a RHEL 7 High Availability cluster

Solution Unverified - Updated -

Issue

  • The pacemaker resource group that is exporting NFS fails to stop cleanly
  • I can't stop my NFS-exporting resource group in a pacemaker cluster
  • Whenever I try to relocate my NFS service, the node reboots
May 31 14:40:46 node1 lrmd[9361]:  notice: nfs-daemon_stop_0:69957:stderr [ umount: /var/lib/nfs/rpc_pipefs: target is busy. ]
May 31 14:40:46 node1 lrmd[9361]:  notice: nfs-daemon_stop_0:69957:stderr [         (In some cases useful info about processes that use ]
May 31 14:40:46 node1 lrmd[9361]:  notice: nfs-daemon_stop_0:69957:stderr [          the device is found by lsof(8) or fuser(1)) ]
May 31 14:40:46 node1 lrmd[9361]:  notice: nfs-daemon_stop_0:69957:stderr [ umount: /var/lib/nfs: target is busy. ]
May 31 14:40:46 node1 lrmd[9361]:  notice: nfs-daemon_stop_0:69957:stderr [         (In some cases useful info about processes that use ]
May 31 14:40:46 node1 lrmd[9361]:  notice: nfs-daemon_stop_0:69957:stderr [          the device is found by lsof(8) or fuser(1)) ]
May 31 14:41:41 node1 Filesystem(iongxfs)[70546]: INFO: No processes on /nfs/.nfs_shared_infodir/rpc_pipefs were signalled. force_unmount is set to 'safe'
May 31 14:41:42 node1 Filesystem(iongxfs)[70546]: ERROR: Couldn't unmount /nfs/.nfs_shared_infodir/rpc_pipefs; trying cleanup with TERM
May 31 14:41:42 node1 Filesystem(iongxfs)[70546]: INFO: No processes on /nfs/.nfs_shared_infodir/rpc_pipefs were signalled. force_unmount is set to 'safe'
May 31 14:41:43 node1 Filesystem(iongxfs)[70546]: ERROR: Couldn't unmount /nfs/.nfs_shared_infodir/rpc_pipefs; trying cleanup with KILL
May 31 14:41:44 node1 Filesystem(iongxfs)[70546]: INFO: No processes on /nfs/.nfs_shared_infodir/rpc_pipefs were signalled. force_unmount is set to 'safe'
May 31 14:41:45 node1 Filesystem(iongxfs)[70546]: ERROR: Couldn't unmount /nfs/.nfs_shared_infodir/rpc_pipefs; trying cleanup with KILL
May 31 14:41:46 node1 Filesystem(iongxfs)[70546]: INFO: No processes on /nfs/.nfs_shared_infodir/rpc_pipefs were signalled. force_unmount is set to 'safe'
May 31 14:41:47 node1 lrmd[9361]: warning: iongxfs_stop_0 process (PID 70546) timed out
May 31 14:41:47 node1 lrmd[9361]: warning: iongxfs_stop_0:70546 - timed out after 60000ms

Environment

  • Red Hat Enterprise Linux Server 7 (with the High Availability Add Ons)
  • The file /etc/krb5.keytab exists and kerberos is used but for not NFS exports.

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