使用shell脚本进行服务器系统监控——文件系统监控（3）

#!/usr/bin/ksh

WORKFILE="/tmp/df.work" # Holds filesystem data>$WORKFILE              # Initialize to emptyOUTFILE="/tmp/df.outfile" # Output display file>$OUTFILE  # Initialize to emptyTHISHOST=`hostname` # Hostname of this machineMIN_MB_FREE="50MB"     # Min. MB of Free FS Space

df -k | tail +2 | egrep -v '/cdrom' /      | awk '{print $1, $4, $6}' > $WORKFILE

# Format Variables(( MIN_MB_FREE = $(echo $MIN_MB_FREE | sed s/MB//g) * 1024 ))

# Loop through each line of the file and compare column 2

while read FSDEVICE FSMB_FREE FSMOUNTdo      FSMB_FREE=$(echo $FSMB_FREE | sed s/MB//g) # Remove the "MB"      if (( $FSMB_FREE < $MIN_MB_FREE ))      then          (( FS_FREE_OUT = $FSMB_FREE / 1000 ))          echo "$FSDEVICE mounted on $FSMOUNT has ${FS_FREE_OUT}MB Free" /                >> $OUTFILE      fidone < $WORKFILE

if [[ -s $OUTFILE ]]then      echo "/nFull Filesystem(s) on $THISHOST/n"      cat $OUTFILE      printfi