Oracle Database Appliance was getting rebooted with reboot errors in system OS logs

Oracle Database Appliance was getting rebooted with reboot errors in system OS logs

[root@nasodacxt0101d1 ~]# last reboot | head -3
reboot system boot 4.1.12-94.3.9.el Sun Feb 18 20:34 – 03:00 (1+06:25) >>>>>>>>> this is the issue time
reboot system boot 4.1.12-94.3.9.el Sun Feb 18 02:13 – 21:36 (19:22)
reboot system boot 4.1.12-94.3.9.el Fri Jan 12 12:27 – 21:36 (37+09:08)

$ cat messages_nasodacxt0101d1 | grep -i signal
Feb 18 21:36:27 nasodacxt0101d1 init: initoak main process (3599) killed by TERM signal
Feb 18 21:36:27 nasodacxt0101d1 init: dcliagent main process (3601) killed by TERM signal
Feb 18 21:36:27 nasodacxt0101d1 init: odaBaseAgent main process (3602) killed by TERM signal
Feb 18 21:36:27 nasodacxt0101d1 init: oracle-ohasd main process (3604) killed by TERM signal
Feb 18 21:36:27 nasodacxt0101d1 init: oracle-tfa main process (5643) killed by TERM signal
Feb 18 21:36:27 nasodacxt0101d1 init: tty (/dev/tty1) main process (5647) killed by TERM signal
Feb 18 21:36:27 nasodacxt0101d1 init: tty (/dev/tty2) main process (5649) killed by TERM signal
Feb 18 21:36:27 nasodacxt0101d1 init: tty (/dev/tty3) main process (5655) killed by TERM signal
Feb 18 21:36:27 nasodacxt0101d1 init: tty (/dev/tty4) main process (5661) killed by TERM signal
Feb 18 21:36:27 nasodacxt0101d1 init: tty (/dev/tty5) main process (5667) killed by TERM signal
Feb 18 21:36:27 nasodacxt0101d1 init: tty (/dev/tty6) main process (5669) killed by TERM signal
Feb 18 21:39:31 nasodacxt0101d1 snmpd[5211]: Received TERM or STOP signal… shutting down…
Feb 18 21:39:31 nasodacxt0101d1 rpc.mountd[5017]: Caught signal 15, un-registering and exiting.
Feb 18 21:39:32 nasodacxt0101d1 ntpd[5265]: ntpd exiting on signal 15
Feb 18 21:39:34 nasodacxt0101d1 rpcbind: rpcbind terminating on signal. Restart with “rpcbind -w”
Feb 18 21:39:35 nasodacxt0101d1 rsyslogd: [origin software=”rsyslogd” swVersion=”5.8.10″ x-pid=”4568″ x-info=”http://www.rsyslog.com”%5D exiting on signal 15.

Cause

Press ctl-alt-del key sequence via ILOM remote console and server is rebooted.

Solution

Take a backup of /etc/init/control-alt-delete.conf file

Disable the settings in the /etc/init/control-alt-delete.conf file by completing the following:

  1. Create /etc/init/control-alt-delete.override file and
  2. Add the line “exec /bin/true” in the above file
  3. Run “initctl reload-configuration control-alt-delete” to reflect the changes

Try to reproduce the reboot by pressing ctl-alt-del key sequence via ILOM remote console

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