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An OCFS2 Node Was Rebooted Multiple Times With The Following Error Logged: "dlm_send_remote_convert_request:414 ERROR: Error -107 when sending message 504 (key 0xXXXX) to node 0 (Doc ID 2589185.1)

Last updated on OCTOBER 31, 2019

Applies to:

Linux OS - Version Oracle Linux 7.4 and later
Information in this document applies to any platform.

Symptoms

A specific node within an OCFS2 cluster repeatedly rebooted unexpectedly, with the following errors logged to /var/log/messages:


Sep 11 15:53:25 <HOSTNAME> kernel: o2net: Connection to node <HOSTNAME> (num 0) at <IP ADDR>:7777 shutdown, state 7
Sep 11 15:53:25 <HOSTNAME> kernel: o2net: No longer connected to node <HOSTNAME> (num 0) at <IP ADDR>:7777
Sep 11 15:53:26 <HOSTNAME> kernel: (dlm_thread,3208,2):dlm_drop_lockres_ref:2273 ERROR: 7455BEAA38D441268FE69C864E477D98: res O0000000000000000afb39500000000, error -107 send DEREF to node 0
Sep 11 15:53:26 <HOSTNAME> kernel: (dlm_thread,3208,2):dlm_drop_lockres_ref:2273 ERROR: 7455BEAA38D441268FE69C864E477D98: res M0000000000000000afb39500000000, error -107 send DEREF to node 0
Sep 11 15:53:28 <HOSTNAME> kernel: (sawserver,24084,4):dlm_send_remote_convert_request:414 ERROR: Error -107 when sending message 504 (key 0xf8333210) to node 0
Sep 11 15:53:28 <HOSTNAME> kernel: o2dlm: Waiting on the death of node 0 in domain 7455BEAA38D441268FE69C864E477D98
Sep 11 15:53:29 <HOSTNAME> kernel: (sawserver,343,1):dlm_send_remote_convert_request:414 ERROR: Error -107 when sending message 504 (key 0xf8333210) to node 0
Sep 11 15:53:29 <HOSTNAME> kernel: o2dlm: Waiting on the death of node 0 in domain 7455BEAA38D441268FE69C864E477D98
Sep 11 15:53:30 <HOSTNAME> kernel: (dlm_thread,3208,2):dlm_drop_lockres_ref:2273 ERROR: 7455BEAA38D441268FE69C864E477D98: res O0000000000000003af2b9800000000, error -107 send DEREF to node 0
Sep 11 15:53:30 <HOSTNAME> kernel: (dlm_thread,3208,2):dlm_drop_lockres_ref:2273 ERROR: 7455BEAA38D441268FE69C864E477D98: res M0000000000000003af2b9800000000, error -107 send DEREF to node 0
Sep 11 15:53:30 <HOSTNAME> kernel: (dlm_thread,3208,2):dlm_drop_lockres_ref:2273 ERROR: 7455BEAA38D441268FE69C864E477D98: res N0000000002f64684, error -107 send DEREF to node 0


Prior to these errors, the node had been operating as expected and had a standard load and free memory available to it.

Cause

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In this Document
Symptoms
Cause
Solution


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