A simple bash script to send email if /local mount point is used more than 90%:
# cat /root/disk.sh
#!/bin/bash
CURRENT=$(df /local | grep /local | awk '{ print $5}' | sed 's/%//g')
THRESHOLD=90
if [ "$CURRENT" -gt "$THRESHOLD" ] ; then
mail -s '!!!Disk Space Alert ORACLE oracle.belomor.nl!!!' [email protected] -c [email protected] -c [email protected] -c [email protected] << EOF
Oracle partition remaining free space is critically low. Used: $CURRENT%
EOF
fi
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hourly run script:
# crontab -l | grep disk @hourly /root/disk.sh # date
Fri Apr 1 14:31:27 AZT 2016