#!/bin/bash
 
####################################
## Program for check SSD life .
## if life < 80%  print Warning
## if life < 60%  print Critical 
## else Print OK
##
## Created  @ 2011-07-01 by Author .
## Modified @ 2011-07-0X by Author ,  Why ?
##
####################################3
MEGACLI=/sbin/megacli
SMARTCTL=/usr/local/sbin/smartctl
Deviceidlist=”"
get_deviceid()
{
TMPFILE=tmp_ssdstat.$$
$MEGACLI -PDList -aALL > $TMPFILE
lineinfo=($(grep -n “Device Id”  $TMPFILE | awk -F ‘:’ ‘{print $3″:”$1}’))
linecnt=$[ ${#lineinfo[*]} -1 ]
Deviceidlist=”"
if [ ${linecnt} -ge 1 ] ; then
for id in $(seq 0  ${linecnt}  )
o
  id1=id
  id2=$[$id +1]
  info1=${lineinfo[$id1]}
  if [ ${id} -ne $linecnt ] ;  then
    info2=${lineinfo[$id2]}
  else
    info2=L:$(cat $TMPFILE | wc -l)
  fi
  ## echo $info1,$info2
  linenum1=$(echo $info1 | awk -F ‘:’ ‘{print $2}’)
  DeviceID=$(echo $info1 | awk -F ‘:’ ‘{print $1}’)
  linenum2=$(echo $info2 | awk -F ‘:’ ‘{print $2}’)
  SSDCNT=$(sed -n “${linenum1},${linenum2} p” $TMPFILE | grep “Inquiry Data” | grep SSD | wc -l)
  if [ $SSDCNT -ne 0 ] ; then
        Deviceidlist=”$Deviceidlist ${DeviceID}” 
  fi
done
fi
/bin/rm -f $TMPFILE
}
 
get_deviceid
Warning=false
Critical=false
for Devid in $Deviceidlist
do
        LIFE=$( $SMARTCTL -a -d megaraid,${Devid} /dev/sda | grep Media_Wearout_Indicator | awk ‘{print $4}’)
        Lifevalue=$[ 10#$LIFE + 0 ]
        resString=”"
        if [ $Lifevalue -le 60 ]; then
                Critical=True
                resString=”::${resString}Dev${Devid}=${Lifevalue}”
        elif [ $Lifevalue -le 80 ] ; then
                Warning=True
                resString=”::${resString}Dev${Devid}=${Lifevalue}”
        fi
done
if $Critical ; then
        echo “Critical-SSD_Life${resString}”
elif $Warning  ; then
        echo “Warning-SSD_Life${resString}”
else
        echo “OK”
fi
exit 0