shell备份msyql数据库

#!/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.log
echo “mysql bakup begin at ‘date‘”
#对所有数据库进行遍历
for db in db1 db2 db3 db4 db5
do
$mysqldump -u$bakuser -p$passwd $db >$bakdir/$db-$d1.sql
done
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
do
rsync -a $bakdir/$db-$d1.sql $remote_dir/$db-$d2.sql
done
echo “mysql backup end at ‘date‘”