OSMH : Instance suddenly into offline status
Applies to: OSMH On-Prem
Goal:
OS Management Hub (OSMH) instance suddenly goes into offline status, and the management agent service exits.
Even after restarting the management agent service, the agent process keeps dying/exiting.
$ sudo systemctl restart mgmt_agent $ ps -elf | grep osmh 4 S root 149691 149643 0 80 0 - 27453 - 16:27 ? 00:00:00 /bin/sudo -n -E -u root /opt/oracle/mgmt_agent/plugins/osmh/13/osmh 4 S root 149701 149691 0 80 0 - 180641 - 16:27 ? 00:00:00 /opt/oracle/mgmt_agent/plugins/osmh/13/osmh 0 S root 149778 148836 0 80 0 - 3036 - 16:27 pts/1 00:00:00 grep -- color=auto osmh $ $ ps -elf | grep osmh 4 S root 149793 149750 0 80 0 - 1838 - 16:27 pts/2 00:00:00 tail - f /opt/oracle/mgmt_agent/plugins/osmh/stateDir/log/osmh-agent.log 0 S root 149801 148836 0 80 0 - 3036 - 16:28 pts/1 00:00:00 grep -- color=auto osmh $ $ sudo systemctl status mgmt_agent ¿ mgmt_agent.service - mgmt_agent Loaded: loaded (/etc/systemd/system/mgmt_agent.service; enabled; vendor preset: disabled) Active: active (running) since Tue 2023-06-06 16:27:08 IST; 1min 20s ago Process: 149385 ExecStop=/opt/oracle/mgmt_agent/agent_inst/bin/agentcore stop sysd (code=exited, status=0/> Process: 149545 ExecStart=/opt/oracle/mgmt_agent/agent_inst/bin/agentcore start sysd (code=exited, status=> Main PID: 149625 (wrapper) Tasks: 55 (limit: 61749) Memory: 375.9M CGroup: /system.slice/mgmt_agent.service ¿¿149625 /opt/oracle/mgmt_agent/agent_inst/bin/./wrapper /opt/oracle/mgmt_agent/agent_inst/bin/..> ¿¿149643 /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.372.b07- 4.0.1.el8.x86_64/jre/bin/java -Dorg.tanuki> Jun 06 16:26:57 Management-Station systemd[1]: Starting mgmt_agent... Jun 06 16:26:57 Management-Station agentcore[149545]: Starting mgmt_agent... Jun 06 16:27:00 Management-Station sudo[149691]: mgmt_agent : TTY=unknown ; PWD=/opt/oracle/mgmt_agen> Jun 06 16:27:03 Management-Station agentcore[149545]: Waiting for mgmt_agent......... Jun 06 16:27:08 Management-Station agentcore[149545]: .....running: PID:149625 Jun 06 16:27:08 Management-Station systemd[1]: Started mgmt_agent.
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