**!/bin/bash

备份MySQL数据

保存10天备份数据

currentpath=`dirname $0`
if [ ${currentpath} == '.' ];then
    currentpath=`pwd`
fi

backup_path=/backup/mysql
suffix=`date "+%F"`
logfile=${currentpath}/logs/mysqlbacklog.log

mysql_user=root
mysql_password=xxxxx
mysqldump_prog=/usr/local/mysql/bin/mysqldump
mysql_sock=/tmp/mysql.sock


[ ! -d ${backup_path} ] && mkdir -p ${backup_path}

echo "==============================================" >> ${logfile}
echo "`date "+%F %H:%M:%S"` 开始备份MySQL数据" >> ${logfile}
cd ${backup_path}
${mysqldump_prog} -u${mysql_user} -p${mysql_password} -S ${mysql_sock} -A -B -x -F --master-data=2 -E -R --triggers |gzip >${backup_path}/all-${suffix}.sql.gz
if [ $? -ne 0 ];then
    echo "`date "+%F %H:%M:%S"` 备份MySQL数据失败" >> ${logfile}
else
    echo "`date "+%F %H:%M:%S"` 备份MySQL数据成功,备份文件名:${backup_path}/all-${suffix}.sql.gz" >> ${logfile}
fi
echo "`date "+%F %H:%M:%S"` MySQL数据备份结束" >> ${logfile}
echo "==============================================" >> ${logfile}

cd ${backup_path}
find ${backup_path} -mtime +10 -exec rm -f {} \; # 删除七天以前的备份数据</pre>**

mysql数据库备份脚本打包并删除几天前的备份数据

基本就是上面的写法了.大神写的脚本!