Monitoring Adaptec RAID arrays with arcconf

#!/bin/sh
#
# crontab entry looks like this:
# @hourly                                 root    /usr/local/sbin/arcconf getconfig 1 > /tmp/arcconf_status ; /root/check_arcconf.sh /tmp/arcconf_status ; rm /tmp/arcconf_status
#
 
CHECKSTATUS=0                       # will change if something is wrong
MAILTO="monitoring@example.com"     # where to send the result
MAILSUBJECT=""                      # will be set to something reflecting the hostname and status
MAILBODY=""                         #
 
ARCFILE=$1
if [ -z "$ARCFILE" ]; then
    ARCFILE="/tmp/arcconfig"    # 'arcconf getconfig 1' result
fi
 
if [ ! -f "$ARCFILE" ]; then
    echo "$ARCFILE not present"
    exit 1
fi
 
# Controller status
CTRLSTATUS=`grep "Controller Status" $ARCFILE  | sed s/^.*\:\ //`
if [ "$CTRLSTATUS" != "Optimal" ]; then
    MSG="$MSG\nController Status:   $CTRLSTATUS"
    CHECKSTATUS=1
fi
 
# Check temperature
TEMPSTATUS=`grep "Temperature  " $ARCFILE | sed s/^.*\(// | sed s/\)//`
if [ "$TEMPSTATUS" != "Normal" ]; then
    TEMPSTATUS=`grep "Temperature  " $ARCFILE | sed s/^.*\:\ //`
    MSG="$MSG\nTemperature:         $TEMPSTATUS"
    CHECKSTATUS=1
fi
 
# Check number of dead drives, >0 is a problem
DEADDRIVES=`grep "Defunct disk drive count" $ARCFILE | sed s/^.*\:\ //`
if [ "$DEADDRIVES" != "0" ]; then
    MSG="$MSG\nDead disk drives:    $DEADDRIVES"
    CHECKSTATUS=1
fi
 
# Check battery. Not sure about this as mine doesn't have a battery
BATTSTATUS=`grep -A2 "Controller Battery Information" $ARCFILE | grep Status | sed s/^.*\:\ //`
if [ "$BATTSTATUS" != "Not Installed" -a "$BATTSTATUS" != "Optimal" ]; then
    MSG="$MSG\nBattery Status:      $BATTSTATUS"
    CHECKSTATUS=1
fi
 
# Logical device status
LOGDEV=0
for DEVSTAT in "`grep "Status of logical device" $ARCFILE`"
do
    if [ `echo $DEVSTAT | grep -c -v "Optimal"` -gt 0 ]; then
        LOGDEVSTATUS=`echo $DEVSTAT | sed s/^.*\://`
        MSG="$MSG\nLogical device $LOGDEV:    $LOGDEVSTATUS"
        CHECKSTATUS=1
    fi
    LOGDEV=$((LOGDEV+1))
done
 
# Logical device segment information
# might wanna rule out "Rebuilding" here, too
SEGSTATUS=`grep "Segment" $ARCFILE  | grep -v "Present"`
if [ "$SEGSTATUS" != "" ]; then
    MSG="$MSG\nNot all logical device segments are Present:\n$SEGSTATUS"
    CHECKSTATUS=1
fi
 
# If anything is wrong, send an email
if [ $CHECKSTATUS != 0 ]; then
    HOST=`hostname`
    MAILSUBJECT="RAID WARNING on $HOST"
    ARCSTRING=`cat $ARCFILE`
    MSG="$MSG\n\n\nFULL CONFIG DUMP:\n$ARCSTRING"
    echo -e "$MSG" | mail -s "$MAILSUBJECT" "$MAILTO"
fi