A simple and efficient way of grabbing the smart health of a scalable amount of disks on an LSI Hardware RAID Controller, exiting to Nagios statuses.
We are providing the following code to be used as an information resource only. It is licensed under GNU GPL. Any use of, or development of the resources provided is strictly unsupported and VooServers Ltd will not be liable for any loss of or damage to business or personal assets.
#!/bin/bash
#
#Dave Byrne
#LSI Hardware RAID S.M.A.R.T Check
#
#Where is storcli?
storclibin="/opt/MegaRAID/storcli/storcli64"
#Check if storcli actually exists, echo and exit warning if it isnt
if ! [ -e "$storclibin" ]
then
echo "WARNING - StorCli Not Found"
exit 1
fi
#Get number of underlying physical disks from storcli
underlyingdisks=`$storclibin /c0 show|grep "Physical Drives"|awk '{ print $4}'`
#Loop to grab the smart health result from all physical disks
counter=0
while [ $counter -lt $underlyingdisks ]; do
#echo counter at $counter
smartctl -d sat+megaraid,$counter -a /dev/sda|grep "SMART overall-health self-assessment test result" >> /usr/results.txt
let counter=counter+1
done
#Analyse results and start giving exit codes
if grep -q FAILED "/usr/results.txt";
then
#failed string found, time to work out what disk it was
line=`awk '/FAILED/{ print NR; exit }' /usr/results.txt`
#subtract 1 from line number as disks start at 0
let line=line-1
diskinfo=`smartctl -d sat+megaraid,$line -a /dev/sda|grep -E 'Device Model|Serial Number'`
printf "CRITICAL - Device ID #$line FAILURE ImminentnDISK INFO: n$diskinfo n"
rm -f /usr/results.txt
exit 2
else
#failed string not found, echo and exit ok
echo "OK - All array disks healthy"
rm -f /usr/results.txt
exit 0
fi
This plugin is also published in Nagios Exchange HERE
By Dave Byrne on February 6th, 2015