#!/bin/bash

mysqldump="/usr/local/mysql/bin/mysqldump"bakuser="root"passwd='123456'bakdir="/usr/local/src/backup"#remote_dir="rsync://10.10.20.100/mysqlbak"d1=‘data +%F’d2=’data +%d‘

#定义日志

exec &> /tmp/mysql_bak.logecho "mysql bakup begin at 'date'"#对所有数据库进行遍历for db in db1 db2 db3 db4 db5do$mysqldump -u$bakuser -p$passwd $db >$bakdir/$db-$d1.sqldone对一天前的所有sql文件压缩find $bakdir/ -type f -name "*.sql" -mtime +1 | xargs gzip查找一周以前的老文件，并删除find $bakdir/ -type f -mtime +7 | xargs rm把当天的备份文件同步到远程for db in db1 db2 db3 db4 db5 dorsync -a $bakdir/$db-$d1.sql $remote_dir/$db-$d2.sqldoneecho "mysql backup end at 'date'"