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#!/bin/bash
#This is a ShellScript For Auto DB Backup #Powered by aspbiz #2004-09#Setting
#设置数据库名，数据库登录名，密码，备份路径，日志路径，数据文件位置，以及备份方式 #默认情况下备份方式是tar，还可以是mysqldump,mysqldotcopy #默认情况下，用root(空)登录mysql数据库，备份至/root/dbxxxxx.tgz DBName=mysql DBUser=root DBPasswd= BackupPath=/root/ LogFile=/root/db.log DBPath=/var/lib/mysql/ #BackupMethod=mysqldump #BackupMethod=mysqlhotcopy #BackupMethod=tar #Setting End NewFile="$BackupPath"db$(date +%y%m%d).tgz DumpFile="$BackupPath"db$(date +%y%m%d) OldFile="$BackupPath"db$(date +%y%m%d --date='5 days ago').tgzecho "-------------------------------------------" >;>; $LogFile
echo $(date +"%y-%m-%d %H:%M:%S") >;>; $LogFile echo "--------------------------" >;>; $LogFile #Delete Old File if [ -f $OldFile ] then rm -f $OldFile >;>; $LogFile 2>;&1 echo "[$OldFile]Delete Old File Success!" >;>; $LogFile else echo "[$OldFile]No Old Backup File!" >;>; $LogFile fiif [ -f $NewFile ]
then echo "[$NewFile]The Backup File is exists,Can't Backup!" >;>; $LogFile else case $BackupMethod in mysqldump) if [ -z $DBPasswd ] then mysqldump -u $DBUser --opt $DBName >; $DumpFile else mysqldump -u $DBUser -p$DBPasswd --opt $DBName >; $DumpFile fi tar czvf $NewFile $DumpFile >;>; $LogFile 2>;&1 echo "[$NewFile]Backup Success!" >;>; $LogFile rm -rf $DumpFile ;; mysqlhotcopy) rm -rf $DumpFile mkdir $DumpFile if [ -z $DBPasswd ] then mysqlhotcopy -u $DBUser $DBName $DumpFile >;>; $LogFile 2>;&1 else mysqlhotcopy -u $DBUser -p $DBPasswd $DBName $DumpFile >;>;$LogFile 2>;&1 fi tar czvf $NewFile $DumpFile >;>; $LogFile 2>;&1 echo "[$NewFile]Backup Success!" >;>; $LogFile rm -rf $DumpFile ;; *) /etc/init.d/mysqld stop >;/dev/null 2>;&1 tar czvf $NewFile $DBPath$DBName >;>; $LogFile 2>;&1 /etc/init.d/mysqld start >;/dev/null 2>;&1 echo "[$NewFile]Backup Success!" >;>; $LogFile ;; esac fiecho "-------------------------------------------" >;>; $LogFile
本文转自glying 51CTO博客，原文链接：http://blog.51cto.com/liying/968452，如需转载请自行联系原作者