Shell简单全备mysql脚本案例

Shell简单全备mysql脚本案例

 

[root@cacti mysql]# cat backup.sh 

#!/bin/sh

#created by taiyang

#2012-9-16

#function:backup mysql database

 

#set local variables

DBname=backup

BackupPath=/mysqlbak/mysqlbak/

DumpFile=${BackupPath}${DBname}`date +%y%m%d_%H%M%S`.bak

 

v_username='root'

if [ $v_username != 'root' ];then

echo "ERROR:the script must be run as mysql"

exit 1

fi

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echo "backup database path:$DumpFile"

echo "------------------------------"

 

date

echo "****************************"

echo "backup database begin"

echo "****************************"

 

mysqldump -uroot -proot --opt $DBname > $DumpFile

 

echo "****************************" 

echo "backup database end"

echo "****************************"

date

 

#delete backups before 5 days

find $BackupPath -ctime +5 -name '*.bak' -exec rm {} \;

[root@cacti mysql]# 

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从备份脚本当中进行还原 数据库的信息；
 

[root@cacti  mysqlbak]# ls

backup120928_114307.bak  backup120928_114556.bak  cacti120928_105558.bak

backup120928_114309.bak  cacti120928_105044.bak   cacti120928_110443.bak

backup120928_114310.bak  cacti120928_105155.bak   cacti120928_110448.bak

backup120928_114311.bak  cacti120928_105457.bak   cacti120928_110449.bak

[root@cacti mysqlbak]# pwd

 

/mysqlbak/mysqlbak

[root@cacti mysqlbak]#

[root@cacti ~]# mysql -hlocalhost -uroot -proot backup </mysqlbak/mysqlbak/backu

p120928_114556.bak 
 

[root@cacti ~]# mysql -uroot -proot

Welcome to the MySQL monitor.  Commands end with ; or \g.

Your MySQL connection id is 860

Server version: 5.0.22-log

 

Type 'help;' or '\h' for help. Type '\c' to clear the buffer.

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mysql> use backup

Database changed

mysql> show tables;

+------------------+

| Tables_in_backup |

+------------------+

| b                | 

| t                | 

+------------------+

2 rows in set (0.00 sec)

 

mysql> exit

Bye