Oracle VM: The Pool Filesystem Not Mounted With Error 'init_pool_filesystem: mount physical pool FS failed - error Unable to online cluster.'
(Doc ID 2554956.1)
Last updated on MARCH 29, 2022
Applies to:
Oracle VM - Version 3.4.1 and laterLinux x86-64
Symptoms
Unable to mount pool filesystem and repositories. The LUNs are presented and are in healthy state:
# multipath -ll 360060160ebf03e0046a71376698ce611 dm-6 DGC,VRAID size=56G features='2 queue_if_no_path retain_attached_hw_handler' hwhandler='1 emc' wp=rw |-+- policy='round-robin 0' prio=50 status=active | |- 2:0:0:0 sda 8:0 active ready running | '- 1:0:1:0 sdk 8:160 active ready running '-+- policy='round-robin 0' prio=10 status=enabled |- 2:0:2:0 sdd 8:48 active ready running '- 1:0:0:0 sdi 8:128 active ready running 360060160ebf03e004fc50d9b698ce611 dm-1 DGC,VRAID size=6.0T features='2 queue_if_no_path retain_attached_hw_handler' hwhandler='1 emc' wp=rw |-+- policy='round-robin 0' prio=50 status=active | |- 2:0:2:1 sde 8:64 active ready running | '- 1:0:0:1 sdj 8:144 active ready running '-+- policy='round-robin 0' prio=10 status=enabled |- 2:0:0:1 sdb 8:16 active ready running '- 1:0:1:1 sdl 8:176 active ready running 3514f0c5c5e800059 dm-2 XtremIO,XtremApp size=7.0T features='1 queue_if_no_path' hwhandler='0' wp=rw '-+- policy='queue-length 0' prio=1 status=active |- 2:0:3:1 sdf 8:80 active ready running |- 2:0:5:1 sdh 8:112 active ready running |- 1:0:4:1 sdo 8:224 active ready running '- 1:0:5:1 sdp 8:240 active ready running
The cluster status shows as offline:
# service o2cb status Driver for "configfs": Loaded Filesystem "configfs": Mounted Stack glue driver: Loaded Stack plugin "o2cb": Loaded Driver for "ocfs2_dlmfs": Loaded Filesystem "ocfs2_dlmfs": Mounted Checking O2CB cluster "ea13392db8ceab1d": Offline Debug file system at /sys/kernel/debug: mounted
In ovs-agent.log, find messages similar to:
[2019-06-07 21:51:04 5248] DEBUG (ocfs2:399) init_pool_filesystem: mount physical pool FS failed - error Unable to online cluster. [2019-06-07 21:51:04 5248] DEBUG (ocfs2:181) cluster debug: {'/sys/kernel/debug/o2dlm': [], '/sys/kernel/debug/o2net': ['connected_nodes', 'stats', 'sock_containers', 'send_tracking'], '/sys/kernel/debug/o2hb': ['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 "ea13392db8ceab1d": Offline\nDebug file system at /sys/kernel/debug: mounted\n'} [2019-06-07 21:51:05 5248] DEBUG (ocfs2:181) cluster debug: {'/sys/kernel/debug/o2dlm': [], '/sys/kernel/debug/o2net': ['connected_nodes', 'stats', 'sock_containers', 'send_tracking'], '/sys/kernel/debug/o2hb': ['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 "ea13392db8ceab1d": Offline\nDebug file system at /sys/kernel/debug: mounted\n'} [2019-06-07 21:51:05 5248] WARNING (startup:35) Error init pool filesystem: Unable to online cluster. [2019-06-07 21:51:05 5248] WARNING (files:102) Error mount repository /dev/mapper/360060160ebf03e004fc50d9b698ce611 to /OVS/Repositories/0004fb000003000072d4b902c6add47c: Command: ['mount', '-t', 'ocfs2', '/dev/mapper/360060160ebf03e004fc50d9b698ce611', '/OVS/Repositories/0004fb000003000072d4b902c6add47c'] failed (1): stderr: mount.ocfs2: Cluster name is invalid while trying to join the group stdout: [2019-06-07 21:51:05 5248] WARNING (files:102) Error mount repository /dev/mapper/3514f0c5c5e800059 to /OVS/Repositories/0004fb00000300006c5f72bbc04a8f65: Command: ['mount', '-t', 'ocfs2', '/dev/mapper/3514f0c5c5e800059', '/OVS/Repositories/0004fb00000300006c5f72bbc04a8f65'] failed (1): stderr: mount.ocfs2: Cluster name is invalid while trying to join the group
Changes
The hostname of the Oracle VM Server was changed manually.
Cause
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