Pavan DBA's Blog

######################################

SCRIPT FOR CHECKING DISK SPACE IN UNIX

######################################

#!/bin/ksh

#rm /tmp/dfk.txt

#echo “df -k output for `date` `uname -n`” > /tmp/dfk.txt

echo “File system usage exceeded the threshold on `uname -n` server- `date`” > /tmp/dfk.txt

echo “” >> /tmp/dfk.txt

i=1

while [ $i -le `df -k | grep -v proc | grep -v capacity | wc -l` ] ;do

if [ `df -k | grep -v proc | grep -v capacity | head -n $i | tail -1 | awk ‘{print $5}’ | \

sed -e ‘s/%//’` -gt 97 ] ; then

#echo “File system usage exceeded the threshold on `uname -n` server- `date`” > /tmp/dfk.txt

#echo “” >> /tmp/dfk.txt

df -k | grep -v proc | grep -v capacity | head -n $i | tail -1 >> /tmp/dfk.txt

fi

((i=i+1))

done

if [ `cat /tmp/dfk.txt | wc -l` -gt 2 ] ; then

cat /tmp/dfk.txt | mailx -s “File system full alert” bp_hostsupport@satyam.com,dba_ora_offshore@satyam.com

#cat /tmp/dfk.txt

else

exit

fi

Note: the above script will check for mount point space and will send an alert if the used space is > 97%