shell监控脚本-监控磁盘
注意:请先参考 shell监控脚本-准备工作,监控脚本在 rhel5 下测试正常，其它版本的linux 系统请自行测试
#监控磁盘
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cat chk_df.sh
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#!/bin/bash
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#
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#script_name:chk_df.sh
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#check disk
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#
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#last update 20130320 by dongnan
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#bbs# http://bbs.ywwd.net/
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#blog# http://dngood.blog.51cto.com
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#
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#df -Th
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#Filesystem Type Size Used Avail Use% Mounted on
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#/dev/sda1 ext3 9.7G 5.9G 3.4G 64% /
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#/dev/sdb1 ext3 79G 73G 2.2G 98% /data
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#variables
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ssh=/usr/bin/ssh
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sh_dir=/root/sh/
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crondir=${sh_dir}crontab
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source ${sh_dir}CONFIG
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hosts="$LINUX_WEB_HOSTS"
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user=`id -u`
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let df_limit=80
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#main
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#主循环遍历机器
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for HOST in $hosts ;do
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flag_disk_file=$crondir/log/"$HOST".disk
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log=$crondir/log/disk_error.log
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#执行ssh 命令
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capacity=`$ssh -o ConnectTimeout=2 root@$HOST "df" | grep "/dev/" | sed 's/\%//' | awk '{print $5}'`
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let flags=0
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#无法连接的主机,跳过本次循环
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test -z "$capacity" && continue
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#判断ssh命令返回结果
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for used in $capacity ;do
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if [ $used -ge $df_limit ];then
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let flags=1
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break
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fi
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done
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#如果磁盘超过限制,则发送报警邮件
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if [ "$flags" -eq 1 -a ! -f "$flag_disk_file" ];then
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#sms
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#for mobile in "$MOBILES";do
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#echo "$HOST disk will full" | /usr/local/bin/gammu --sendsms TEXT "$mobile" -unicode
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#done
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#mail
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for mail in $MAILS;do
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echo "$HOST disk will full" | mail -s "$HOST disk will full" $mail
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done
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#log
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date +'%F %T' >>$log
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echo "$HOST disk will full" >> $log
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#flag
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echo "disk_error" >$flag_disk_file
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fi
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#如果磁盘正常，则发邮件解除报警邮件
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if [ "$flags" -eq 0 -a -f "$flag_disk_file" ];then
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#sms
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#for mobile in "$MOBILES";do
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#echo "$HOST disk ok"|/usr/local/bin/gammu --sendsms TEXT "$mobile" -unicode
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#done
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#mail
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for mail in $MAILS;do
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echo "$HOST disk ok" | mail -s "$HOST disk ok" $mail
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done
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#log
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date +'%F %T' >>$log
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echo "$HOST disk ok" >> $log
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#flag
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rm -f $flag_disk_file
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fi
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done
#
结束
更多请：
linux 系统运维 37275208
vmware 虚拟化 166682360
本文转自 dongnan 51CTO博客，原文链接：http://blog.51cto.com/dngood/1163558
