Linux Filesystem Alerting Script
This convoluted beauty does a df -h on both a Production and Standby Filesystem (oracle datafile and backup directories) and warns when the threshold of 85% is exceeded and alerts when 95% threshold is exceeded.
- !/bin/ksh
- Description : This script does a df -h on oracle and backup directories
- on both prod and dr servers. Sends a daily report as
- well as alerting when thresholds are exceeded.
- 13/12/2017
- nm
-
MAIL_LIST1="warningalerts@email.com" MAIL_LIST2="criticalalerts@email.com"
LOG=/oracle/logs/filesystem_alert.log
rm $LOG
sd=`date +"%H"`
- PRINT <PROD_SID> FILESYSTEM USAGE
diskstat_backup_pr=`df -h | grep /backup | awk '{print "<PROD_SID> " $6 " " $5 " Used"}'` diskstat_oracle_pr=`df -h | grep /oracle$ | awk '{print "<PROD_SID> " $6 " " $5 " Used"}'` diskstat_oradata1_pr=`df -h | grep /oradata1 | awk '{print "<PROD_SID> " $6 " " $5 " Used"}'` diskstat_oradata2_pr=`df -h | grep /oradata2 | awk '{print "<PROD_SID> " $6 " " $5 " Used"}'` diskstat_oradata3_pr=`df -h | grep /oradata3 | awk '{print "<PROD_SID> " $6 " " $5 " Used"}'`
- PRINT <DR_SID> FILESYSTEM USAGE
DR_diskstat_backup_pr=`ssh mobbodbp1 df -h | grep /backup | awk '{print "<DR_SID> " $6 " " $5 " Used"}'` DR_diskstat_oracle_pr=`ssh mobbodbp1 df -h | grep /oracle$ | awk '{print "<DR_SID> " $6 " " $5 " Used"}'` DR_diskstat_oradata1_pr=`ssh mobbodbp1 df -h | grep /oradata1 | awk '{print "<DR_SID> " $6 " " $5 " Used"}'` DR_diskstat_oradata2_pr=`ssh mobbodbp1 df -h | grep /oradata2 | awk '{print "<DR_SID> " $6 " " $5 " Used"}'` DR_diskstat_oradata3_pr=`ssh mobbodbp1 df -h | grep /oradata3 | awk '{print "<DR_SID> " $6 " " $5 " Used"}'`
- COMPUTE <PROD_SID> FILESYSTEM USAGE
diskstat_backup=`df -h | grep /backup | awk '{sub(/%/,"",$5); print $5}'` diskstat_oracle=`df -h | grep /oracle$ | awk '{sub(/%/,"",$5); print $5}'` diskstat_oradata1=`df -h | grep /oradata1 | awk '{sub(/%/,"",$5); print $5}'` diskstat_oradata2=`df -h | grep /oradata2 | awk '{sub(/%/,"",$5); print $5}'` diskstat_oradata3=`df -h | grep /oradata3 | awk '{sub(/%/,"",$5); print $5}'`
- COMPUTE <DR_SID> FILESYSTEM USAGE
DR_diskstat_backup=`ssh mobbodbp1 df -h | grep /backup | awk '{sub(/%/,"",$5); print $5}'` DR_diskstat_oracle=`ssh mobbodbp1 df -h | grep /oracle$ | awk '{sub(/%/,"",$5); print $5}'` DR_diskstat_oradata1=`ssh mobbodbp1 df -h | grep /oradata1 | awk '{sub(/%/,"",$5); print $5}'` DR_diskstat_oradata2=`ssh mobbodbp1 df -h | grep /oradata2 | awk '{sub(/%/,"",$5); print $5}'` DR_diskstat_oradata3=`ssh mobbodbp1 df -h | grep /oradata3 | awk '{sub(/%/,"",$5); print $5}'`
- ALERTS ON <PROD_SID>
- Alert on /backup
if [ $diskstat_backup -gt 85 ]; then
echo "WARNING: $diskstat_backup_pr" >> $LOG
elif [ $diskstat_backup -gt 95 ]; then
echo "CRITICAL: $diskstat_backup_pr" >> $LOG
else
echo "OKAY: $diskstat_backup_pr" >> $LOG
fi
# Alert on /oracle
if [ $diskstat_oracle -gt 85 ]; then
echo "WARNING: $diskstat_oracle_pr" >> $LOG elif [ $diskstat_oracle -gt 95 ]; then echo "CRITICAL: $diskstat_oracle_pr" >> $LOG
else
echo "OKAY: $diskstat_oracle_pr" >> $LOG
fi
# Alert on /oradata1
if [ $diskstat_oradata1 -gt 85 ]; then echo "WARNING: $diskstat_oradata1_pr" >> $LOG elif [ $diskstat_oradata1 -gt 95 ]; then echo "CRITICAL: $diskstat_oradata1_pr" >> $LOG else echo "OKAY: $diskstat_oradata1_pr" >> $LOG
fi
- Alert on /oradata2
if [ $diskstat_oradata2 -gt 85 ]; then echo "WARNING: $diskstat_oradata2_pr" >> $LOG elif [ $diskstat_oradata2 -gt 95 ]; then echo "CRITICAL: $diskstat_oradata2_pr" >> $LOG else echo "OKAY: $diskstat_oradata2_pr" >> $LOG
fi
- Alert on /oradata3
if [ $diskstat_oradata3 -gt 85 ]; then echo "WARNING: $diskstat_oradata3_pr" >> $LOG elif [ $diskstat_oradata3 -gt 95 ]; then echo "CRITICAL: $diskstat_oradata3_pr" >> $LOG else echo "OKAY: $diskstat_oradata3_pr" >> $LOG
fi
- ALERTS ON <DR_SID>
- Alert on /backup
if [ $DR_diskstat_backup -gt 85 ]; then
echo "WARNING: $DR_diskstat_backup_pr" >> $LOG
elif [ $DR_diskstat_backup -gt 95 ]; then
echo "CRITICAL: $diskstat_backup_pr" >> $LOG
else
echo "OKAY: $DR_diskstat_backup_pr" >> $LOG
fi
# Alert on /oracle
if [ $DR_diskstat_oracle -gt 85 ]; then
echo "WARNING: $DR_diskstat_oracle_pr" >> $LOG elif [ $DR_diskstat_oracle -gt 95 ]; then echo "CRITICAL: $DR_diskstat_oracle_pr" >> $LOG
else
echo "OKAY: $DR_diskstat_oracle_pr" >> $LOG
fi
# Alert on /oradata1
if [ $DR_diskstat_oradata1 -gt 85 ]; then echo "WARNING: $DR_diskstat_oradata1_pr" >> $LOG elif [ $DR_diskstat_oradata1 -gt 95 ]; then echo "CRITICAL: $DR_diskstat_oradata1_pr" >> $LOG else echo "OKAY: $DR_diskstat_oradata1_pr" >> $LOG
fi
- Alert on /oradata2
if [ $DR_diskstat_oradata2 -gt 85 ]; then echo "WARNING: $DR_diskstat_oradata2_pr" >> $LOG elif [ $DR_diskstat_oradata2 -gt 95 ]; then echo "CRITICAL: $DR_diskstat_oradata2_pr" >> $LOG else echo "OKAY: $DR_diskstat_oradata2_pr" >> $LOG
fi
- Alert on /oradata3
if [ $DR_diskstat_oradata3 -gt 85 ]; then echo "WARNING: $DR_diskstat_oradata3_pr" >> $LOG elif [ $DR_diskstat_oradata3 -gt 95 ]; then echo "CRITICAL: $DR_diskstat_oradata3_pr" >> $LOG else echo "OKAY: $DR_diskstat_oradata3_pr" >> $LOG
fi
- Grep the Logfile for Alerts
if grep 'CRITICAL' $LOG; then
mail -a $LOG -s "CRITICAL: <PROD_SID>/<DR_SID> FILESYSTEM STATUS" $MAIL_LIST2 < $LOG
fi
if [ $sd -eq 8 ]; then
mail -a $LOG -s "DAILY CHECK: <PROD_SID>/<DR_SID> FILESYSTEM STATUS" $MAIL_LIST1 < $LOG
fi