#使用方法是在crontab中建立如10 */4 * * *  /oradata/script/DiskMon.sh  80   >>/dev/null 2>&1
#这样使用空间超过80%就会报警

#!/bin/sh
DSKLOG=/tmp/dsklog.`hostname`;export DSKLOG
TH=$1;export TH
       df -hP |column -t |grep -v '/dev/shm' |grep -v Filesystem | awk '{print $5}' | sed s/\%//g | while read percent
      do
        if [ $percent -gt $TH ]
then
     FS=`df -hP |column -t |grep -v '/dev/shm' |grep -v Filesystem  | grep $percent | awk '{print $6}'`;export FS
              echo "start_time=`date +'%Y/%m/%d %H:%M:%S'`" > $DSKLOG
              echo "system_type=UNIX" >> $DSKLOG
              echo "node_name=`hostname`" >> $DSKLOG
              echo "object_name=DiskSpace" >> $DSKLOG
              echo "desc=`hostname` Disk $FS exceed threshold $1 , current capacity is $percent%" >> $DSKLOG
              echo "----------------------------------------------" >> $DSKLOG
              echo "`df -hP |column -t`" >> $DSKLOG
              cat $DSKLOG | /usr/local/bin/mailx    -s "SAM20201: `hostname` 10.98.20.123 Disk $FS  exceed threshold $1 , current capacity is $percent%"  XX@YY.com 


        fi
      done