hddcheck.sh

#!/bin/bash
#
# hddcheck.sh
#
# Modified version of http://www.cyberciti.biz/files/scripts/monitor-my-hard-disk.sh.txt.
#
# Generate a warning email based on hard drive temps.
#

TO=test@test.com
HDDS="/dev/sdb /dev/sdc /dev/sdd /dev/sde /dev/sdf /dev/sdg /dev/sdh /dev/sdi"
HDT=/usr/sbin/hddtemp
LOG=/usr/bin/logger
DOWN=/sbin/shutdown
MAIL=/usr/bin/mail
HOSTNAME=$(hostname)
ALERT_LEVEL=50

for disk in $HDDS; do
    if [[ -b $disk ]]; then
        HDTEMP=$($HDT $disk | awk '{print $NF}' | awk -F '°' '{print $1}')
        if [[ $HDTEMP -ge $ALERT_LEVEL ]]; then
            # MSG="System going down $disk temperature $HDTEMP°C crossed its limit"
            MSG="$disk temperature $HDTEMP°C crossed its limit"
            # Log to syslog
            $LOG "${MSG}"
            # Send email
            echo "${MSG}" | ${MAIL} -s "ERROR: $HOSTNAME disk temperature" ${TO}
            # Shutdown the system
            # $DOWN -h 0
        fi
    fi
done