RAID Status email report

raid_report.sh

#!/bin/bash

mdadm="/sbin/mdadm"
logfile="/tmp/raid_report.tmp"
email="your_email@your_domain.com"
subject="RAID Status Report for `hostname -f`"
drives="md0 md1"

### Set email body ###
echo "<h2>$subject</h2>" > $logfile
echo "<pre style=\"font-size:14px\">" >> $logfile

###### summary ######
(
    echo ""
    echo "########## RAID status report summary for all drives ##########"
    echo ""
    echo "+------+--------+-----+-------+-------+-------+-------+-------+-------+-------------------------+"
    echo "|Device|State   |Raid |Raid   |Total  |Active |Working|Failed |Spare  |Last Update Time         |"
    echo "|      |        |Level|Devices|Devices|Devices|Devices|Devices|Devices|                         |"
    echo "+------+--------+-----+-------+-------+-------+-------+-------+-------+-------------------------+"
) >> $logfile
for drive in $drives
do
    (
        $mdadm -D /dev/$drive | \
        awk -v device=$drive '\
        /Raid Level :/{level=$4} \
        /Raid Devices :/{devices=$4} \
        /Total Devices :/{total_devices=$4} \
        /Update Time :/{update=$4" "$5" "$6" "$7" "$8} \
        /State :/{state=$3} \
        /Active Devices :/{active=$4} \
        /Working Devices :/{working=$4} \
        /Failed Devices :/{failed=$4} \
        /Spare Devices :/{spare=$4} \
        END {
            printf "|%-6s|%-8s|%-5s|%7s|%7s|%7s|%7s|%7s|%7s|%-25s|\n",
            device, state, level, devices, total_devices, active, working, failed, spare, \
            update;
        }'
    ) >> $logfile
done
(
    echo "+------+--------+-----+-------+-------+-------+-------+-------+-------+-------------------------+"
    echo ""
    echo ""
) >> $logfile

###### for each drive ######
for drive in $drives
do
    (
        echo ""
	echo "########## RAID status report for $drive drive ##########"
	$mdadm -D /dev/$drive
	echo ""
	echo ""
    ) >> $logfile
done
echo "</pre>" >> $logfile

### Send report ###
cat $logfile | mail -h "Content-Type: text/html" -s "$subject" $email
rm $logfile