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ubuntu下如何更改mysql数据存放路径_MySQL

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Release: 2016-06-01 13:36:05
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ubuntu下如何更改mysql数据存放路径

 

很多时候,mysql的数据会非常大,数据默认放在/var/lib/mysql,由于/var所划分的
空间不够大,所以我们需要将mysql数据存放路径修改一下,放到大分区里面,以便
可以应付mysql数据增长。

1.设置新的存放路径

 

mkdir -p /data/mysql 

 

2.复制原有数据

 

cp -R /var/lib/mysql/* /data/mysql 

 

3.修改权限

 

chown -R mysql:mysql /data/mysql 

4.修改配置文件

 

vim /etc/mysql/my.cnf

datadir         = /data/mysql

 

5.修改启动文件

 

vim /etc/apparmor.d/usr.sbin.mysqld

#把

/var/lib/mysql r,

/var/lib/mysql/** rwk, 

 

#改成

/data/mysql r,

/data/mysql/** rwk, 

 

6.重启服务

 

重启apparmor

 

/etc/init.d/apparmor restart

/etc/init.d/mysql restart 

 

完成

 

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