mysql全量和增量备份脚本
全量:[root@masterleo]#catDBfullBak.sh#!/bin/bash#usemysqldumptofullybackupmysqldataBakDir=/root/leo/fullLogFile=/root/leo/full/bak.logDa..
全量:
[root@master leo]# cat DBfullBak.sh #!/bin/bash #use mysqldump to fully backup mysql data BakDir=/root/leo/full LogFile=/root/leo/full/bak.log Date=`date +%Y%m%d` Begin=`date +"%Y年%m月%d日 %H:%M:%S"` cd $BakDir DumpFile=$Date.sql GZDumpFile=$Date.sql.tgz mysqldump -uroot -p123456 --all-databases --lock-all-tables --routines --triggers --events --master-data=2 --flush-logs > $DumpFile tar zcvf $GZDumpFile $DumpFile rm $DumpFile Last=`date +"%Y年%m月%d日 %H:%M:%S"` echo 开始:$Begin 结束:$Last $GZDumpFile succ >> $LogFile参数注释:
--all-databases #备份所有库 --lock-all-tables #为所有表加读锁 --routinge #存储过程与函数 --triggers #触发器 --events #记录事件 --master-data=2 #在备份文件中记录当前二进制日志的位置,并且为注释的,,1是不注释掉在主从复制中才有意义 --flush-logs #日志滚动一次结果如下:
[root@master full]# ls 20140728.sql.tgz bak.log [root@master full]# cat bak.log 开始:2014年07月28日 19:02:59 结束:2014年07月28日 19:02:59 20140728.sql.tgz succ 开始:2014年07月28日 19:12:01 结束:2014年07月28日 19:12:01 20140728.sql.tgz succ [root@master full]#增量备份:
[root@master leo]# cat DBDailyBak.sh #!/bin/bash BakDir=/root/leo/binlog/ BinDir=/var/lib/mysql LogFile=/root/leo/binlog/bak.log BinFile=/var/lib/mysql/mysql-bin.index mysqladmin -uroot -p123456 flush-logs Counter=`wc -l $BinFile|awk '{print $1}'` NextNum=0 for file in `cat $BinFile` do base=`basename $file` NextNum=`expr $NextNum + 1` if [ $NextNum -eq $Counter ] then echo $base skip! >> $LogFile else dest=$BakDir/$base if(test -e $dest) then echo $base exist! >> $LogFile else cp $BinDir/$base $BakDir/ echo $base copying >> $LogFile fi fi done echo `date +"%Y年%m月%d日 %H:%M:%S"` $Next Bakup succ~ >> $LogFile本文出自 “大風” 博客,请务必保留此出处

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