安装percona-xtrabackup

http://990487026.blog.51cto.com/10133282/1759237

root@uat:/backup# cat xtrabackup.sh 
#!/bin/bash
backdir=/backup/mysql
web_page_backdir=/backup/
user=r**t
pass=a**********t
logfile=innobackupex.log


#备份网页文件
mytime=`date +"%F_%H-%M-%S"`
cd /var/www/
tar -zcf  ${mytime}_html.tar.gz html/
mv ${mytime}_html.tar.gz $web_page_backdir
week=`date +%u`
mkdir $backdir >> /dev/null 2>&1



if [ ! -f  /globalback ]
then
    cat /dev/null > $logfile
    innobackupex --user=$user --password=$pass $backdir
    stat=`echo $?`
    ls $backdir | tail -n 1 > /globalback
    basedir=`cat /globalback`
    last=`ls $backdir  | tail -n 1`
    date "+%F %H:%M" >> $logfile
    if [ $stat -ne 0 ] 
    then
         echo "备份失败！" >> $logfile
     exit
    fi

    echo " 检测到之前没有做过全局备份，完全备份一次！" >> $logfile
    basedir=`cat /globalback`
    echo "基  本库是 $backdir/$basedir "  >> $logfile
exit
fi



if [ $week -eq 7 ]
then
    innobackupex --user=$user --password=$pass $backdir
    stat=`echo $?`
    incre=`ls $backdir | tail -n 1`
    if [ $stat -ne 0 ] 
    then
    date "+%F %H:%M" >> $logfile
         echo "备份失败！" >> $logfile
     exit
    fi

    ls $backdir | tail -n 1 > /globalback
    basedir=`cat /globalback`
    echo "↓↓↓↓↓↓↓↓↓↓↓   每周全局备份分割线  ↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓" >> $logfile
    date "+%F %H:%M" >> $logfile
    echo "全局备份"  >> $logfile
    echo "数据备份的位置  $backdir/$basedir "  >> $logfile
    basedir=`cat /globalback`
    echo "基  本库是 $backdir/$basedir "  >> $logfile


else
   basedir=`cat /globalback`
   last=`ls $backdir  | tail -n 1`
   innobackupex --user=$user --password=$pass --incremental $backdir --incremental-basedir=$backdir/$last
    stat=`echo $?`
    incre=`ls $backdir | tail -n 1`
    echo "" >> $logfile
    date "+%F %H:%M" >> $logfile
    if [ $stat -ne 0 ] 
    then
         echo "备份失败！" >> $logfile
     exit
    fi
    echo "增量备份 "  >> $logfile
    echo "基  本库是 $backdir/$basedir "  >> $logfile
    echo "本次备份是 $backdir/$incre "  >> $logfile
    echo  "MySQL二进制日志文件路径"  >> $logfile
    grep "^log.bin" /etc/mysql/my.cnf  >> $logfile
fi