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Location of Oracle shutdown script

Oracle Database Tips by Donald BurlesonJune 12, 2015

Question:  I inherited a new database and it shuts down every night at midnight but I cannot find the shutdown script!  I have check the crontab for the oracle user and all jobs in dbms_scheduler.  Where else might an Oracle shutdown job reside?  Any idea how can I trace or locate what launches the shutdown of the database?

Answer:  Sadly, the Oracle "shutdown" command is not easily traced since it often comes-into Oracle from an external location! Any shell script might have a shutdown command, not just the cron for the oracle OS user ID.

- Check the "oratab" file (/etc/oratab or /var/opt/oracle/oratab). The third field in oratab specified whether autostart is being used.

- Check for dbstart and dbstop procedures in /etc/rc.d/init.d/oracle and check your $ORACLE_HOME/rdbms/log/dbstop.log?

- Check ALL user's crontab files, not just the Oracle ones (check /etc/users)

For more complete details on Oracle shutdown scripts, see the popular book "Oracle Shell Scripting".



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