找到一个Mysql自动备份脚本大家需要的话可以自己根据需求参考修改一下 该脚本功能介绍:可以将这个脚本放进crontab,每天凌晨执行一次,自动备份,支持多种备份方式,自动翻转。 该脚本每天最多只执行一次,而且只保留最近五天的备份在服务器上。 #!/bin/bash #This is a ShellScript For Auto DB Backup #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').tgz
echo "-------------------------------------------" >;>; $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 fi
if [ -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 fi