Script to monitor lag in standby database in Oracle

Monitor lag in standby database using dgmgrl

Script to monitor lag in standby database and send mail.

#!/bin/bash
export ORACLE_HOME=/u02/app/oracle/product/12.1.0/dbhome_1
export ORACLE_SID=primdb
export PATH=$ORACLE_HOME/bin:$PATH
echo -e “show database stydb”|${ORACLE_HOME}/bin/dgmgrl sys/orcl1234 >
DB_DG_DATABASE.log
cat /home/oracle/DB_DG_DATABASE.log | grep “Apply Lag” >
FILTERED_DB_DG_DATABASE.log
time_value=`cut -d ” ” -f 14 FILTERED_DB_DG_DATABASE.log`
time_param=`cut -d ” ” -f 15 FILTERED_DB_DG_DATABASE.log`
if [[ “$time_param” == “minutes” && “$time_value” -ge 1 ]]
then
mailx -s “DREAIDB LAG is in minutes ” mail@gmail.com<DB_DG_DATABASE.log
else
if [[ “$time_param” == “seconds” && “$time_value” -ge 30 ]]
then
mailx -s “DREAIDB LAG is in seconds
” mail@gmail.com<DB_DG_DATABASE.log
else
if [[ “$time_param” == “hour(s)” && “$time_value” -ge 1 ]]
then
mailx -s “DREAIDB LAG is in hours ” mail@gmail.com
<DB_DG_DATABASE.log
fi
fi
fi