modprobe: FATAL: Module ocfs2_dlmfs not found

(Doc ID 2354666.1)

Last updated on FEBRUARY 01, 2018

Applies to:

Linux OS - Version Oracle Linux 6.6 with Unbreakable Enterprise Kernel [3.8.13] and later
Information in this document applies to any platform.

Symptoms

On the problematic cluster node, the following error occurred:

Loading filesystem "ocfs2_dlmfs": Unable to load filesystem "ocfs2_dlmfs" Failed

File: /var/log/messages shows the below messages:

Jan 29 17:42:42 host2 kernel: OCFS2 Node Manager 1.8.0
Jan 29 17:42:42 host2 kernel: OCFS2 DLM 1.8.0
Jan 29 17:42:42 host2 kernel: ocfs2: Registered cluster interface o2cb
Jan 29 17:42:42 host2 kernel: OCFS2 DLMFS 1.8.0
Jan 29 17:42:42 host2 kernel: OCFS2 User DLM kernel interface loaded
Jan 29 17:42:42 host2 o2cb.init: online simon
Jan 29 17:42:42 host2 kernel: o2hb: Heartbeat mode set to global
Jan 29 17:42:49 host2 kernel: o2net: Connection to node host1 (num 1) at 192.168.0.1:7777 shutdown, state 7
Jan 29 17:42:52 host2 kernel: o2net: Connection to node host1 (num 1) at 192.168.0.1:7777 shutdown, state 7
Jan 29 17:42:54 host2 kernel: o2hb: Heartbeat started on region region-id (xvdd)
Jan 29 17:42:54 host2 o2hbmonitor: Starting
Jan 29 17:42:54 host2 o2hbmonitor: mount debugfs at /sys/kernel/debug
Jan 29 17:42:55 host2 kernel: OCFS2 1.8.0
Jan 29 17:42:55 host2 kernel: o2net: Connection to node host1 (num 1) at 192.168.0.1:7777 shutdown, state 7
Jan 29 17:42:56 host2 kernel: o2hb: Region region-id (xvdd) is now a quorum device
Jan 29 17:42:58 host2 kernel: o2net: Connection to node host1 (num 1) at 192.168.0.1:7777 shutdown, state 7
Jan 29 17:43:01 host2 kernel: o2net: Connection to node host1 (num 1) at 192.168.0.1:7777 shutdown, state 7
Jan 29 17:43:04 host2 kernel: o2net: Connection to node host1 (num 1) at 192.168.0.1:7777 shutdown, state 7
Jan 29 17:43:07 host2 kernel: o2net: Connection to node host1 (num 1) at 192.168.0.1:7777 shutdown, state 7
Jan 29 17:43:10 host2 kernel: o2net: Connection to node host1 (num 1) at 192.168.0.1:7777 shutdown, state 7
Jan 29 17:43:13 host2 kernel: o2net: Connection to node host1 (num 1) at 192.168.0.1:7777 shutdown, state 7
Jan 29 17:43:16 host2 kernel: o2net: No connection established with node 1 after 30.0 seconds, giving up.
Jan 29 17:43:46 host2 kernel: o2net: No connection established with node 1 after 30.0 seconds, giving up.
Jan 29 17:43:55 host2 kernel: o2cb: This node could not connect to nodes: 1.
Jan 29 17:43:55 host2 kernel: o2cb: Cluster check failed. Fix errors before retrying.
Jan 29 17:43:55 host2 kernel: (mount.ocfs2,4016,0):ocfs2_dlm_init:3004 ERROR: status = -107
Jan 29 17:43:55 host2 kernel: (mount.ocfs2,4016,0):ocfs2_mount_volume:1895 ERROR: status = -107
Jan 29 17:43:55 host2 kernel: ocfs2: Unmounting device (202,48) on (node 0)
Jan 29 17:43:55 host2 kernel: (mount.ocfs2,4016,0):ocfs2_fill_super:1239 ERROR: status = -107
Jan 29 17:44:11 host2 o2cb.init: offline simon 0
Jan 29 17:44:12 host2 kernel: o2hb: Heartbeat stopped on region region-id (xvdd)
Jan 29 17:44:13 host2 kernel: o2cb: Global heartbeat has not been started.
Jan 29 17:44:13 host2 kernel: o2cb: Cluster check failed. Fix errors before retrying.
Jan 29 17:44:13 host2 kernel: (mount.ocfs2,4021,0):ocfs2_dlm_init:3004 ERROR: status = -22
Jan 29 17:44:13 host2 kernel: (mount.ocfs2,4021,0):ocfs2_mount_volume:1895 ERROR: status = -22
Jan 29 17:44:13 host2 kernel: ocfs2: Unmounting device (202,16) on (node 0)
Jan 29 17:44:13 host2 kernel: (mount.ocfs2,4021,0):ocfs2_fill_super:1239 ERROR: status = -22
Jan 29 22:48:29 host2 kernel: imklog 5.8.10, log source = /proc/kmsg started.
Jan 29 17:54:06 host2 modprobe: FATAL: Module ocfs2_stackglue not found.
Jan 29 17:54:06 host2 modprobe: FATAL: Module ocfs2_dlmfs not found.
Jan 29 17:58:55 host2 modprobe: FATAL: Module ocfs2_stackglue not found.
Jan 29 17:58:55 host2 modprobe: FATAL: Module ocfs2_dlmfs not found.
Jan 29 17:59:45 host2 modprobe: FATAL: Module ocfs2_stackglue not found.
Jan 29 17:59:45 host2 modprobe: FATAL: Module ocfs2_dlmfs not found.

Cause

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