Fails To Add Oracle VM Server Back into Server Pool with Error "stderr: mount.ocfs2: transport endpoint is not connected"

(Doc ID 2334698.1)

Last updated on DECEMBER 10, 2017

Applies to:

Oracle VM - Version 3.4.2 and later
Linux x86-64

Symptoms

On Oracle VM 3.4.2 version, you are unable to add Oracle VM Server back into the Server Pool that was taken out for some maintenance.

ERROR
-----------------------

OVMAPI_4004E Sync command failed on server: x.x.x.x. Command: configure_server_for_cluster, Server error.

ovs-agent log file shows below error (/var/log/ovs-agent.log):

[2017-07-12 21:35:12 29373] DEBUG (o2cb:185) configure_server_for_cluster error: Command: ['mount', '/dev/loop0', '/poolfsmnt/0004fb0000050000fb6c3cc875207e3f'] failed (1): stderr: mount.ocfs2:
Transport endpoint is not connected while mounting /dev/loop0 on /poolfsmnt/0004fb0000050000fb6c3cc875207e3f. Check 'dmesg' for more information on this error. stdout:
[2017-07-12 21:35:12 29373] DEBUG (ocfs2:287) Trying to umount /dev/loop0

[2017-07-12 21:35:12 29373] DEBUG (ocfs2:299) /dev/loop0 not mounted, skip umounting
[2017-07-12 21:35:12 29373] DEBUG (ocfs2:182) cluster debug: {'/sys/kernel/debug/o2dlm': [], '/sys/kernel/debug/o2net': ['connected_nodes', 'stats', 'sock_containers', 'send_tracking'], '/sys/ke
rnel/debug/o2hb': ['0004FB0000050000FB6C3CC875207E3F', 'failed_regions', 'quorum_regions', 'live_regions', 'livenodes'], '/sys/kernel/debug/ocfs2': [], 'service o2cb status': 'Driver for "config
fs": Loaded\nFilesystem "configfs": Mounted\nStack glue driver: Loaded\nStack plugin "o2cb": Loaded\nDriver for "ocfs2_dlmfs": Loaded\nFilesystem "ocfs2_dlmfs": Mounted\nChecking O2CB cluster "ocfs2": Offline\nDebug file system at /sys/kernel/debug: mounted\n'}
[2017-07-12 21:35:12 29373] DEBUG (ocfs2:182) cluster debug: {'/sys/kernel/debug/o2dlm': [], '/sys/kernel/debug/o2net': ['connected_nodes', 'stats', 'sock_containers', 'send_tracking'], '/sys/kernel/debug/o2hb': ['0004FB0000050000FB6C3CC875207E3F', 'failed_regions', 'quorum_regions', 'live_regions', 'livenodes'], 'service o2cb status': 'Driver for "configfs": Loaded\nFilesystem "configfs": Mounted\nStack glue driver: Loaded\nStack plugin "o2cb": Loaded\nDriver for "ocfs2_dlmfs": Loaded\nFilesystem "ocfs2_dlmfs": Mounted\nChecking O2CB cluster "ocfs2": Offline\nDebug file system at /sys/kernel/debug: mounted\n'}
[2017-07-12 21:35:12 29373] DEBUG (o2cb:209) configure_server_for_cluster - server_cluster_offline failed, error Unable to offline cluster.
[2017-07-12 21:35:12 29373] DEBUG (ocfs2:287) Trying to umount x.x.x.x:/export/we-ovm-cluster
[2017-07-12 21:35:12 29373] DEBUG (linux:73) retry_cmd: command ['umount', '-f', '/nfsmnt/04731f72-727a-400f-b84c-598875ffc565'] failed, error Command: ['umount', '-f', '/nfsmnt/04731f72-727a-400f-b84c-598875ffc565'] failed (16): stderr: umount2: Device or resource busy
umount.nfs: /nfsmnt/04731f72-727a-400f-b84c-598875ffc565: device is busy
umount2: Device or resource busy
umount.nfs: /nfsmnt/04731f72-727a-400f-b84c-598875ffc565: device is busy
stdout: retrying in 5 seconds

 

 

 

 

 

 

 

Changes

 

Cause

Sign In with your My Oracle Support account

Don't have a My Oracle Support account? Click to get started

My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms