Home Database Mysql Tutorial Linux修改mysql数据文件路径

Linux修改mysql数据文件路径

Jun 07, 2016 pm 04:42 PM
linux mysql Revise data document path

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/l

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
Copy after login

2.复制原有数据

    cp -R /var/lib/mysql/* /data/mysql
Copy after login

3.修改权限

    chown -R mysql:mysql /data/mysql
Copy after login

4.修改配置文件

    vi /etc/mysql/my.cnf
    datadir = /data/mysql
Copy after login

5.修改启动文件

    vi /etc/apparmor.d/usr.sbin.mysqld
Copy after login

#把

    /var/lib/mysql r,
    /var/lib/mysql/** rwk,
Copy after login

#改成

    /data/mysql r,
    /data/mysql/** rwk,
Copy after login

6.重启服务
重启apparmor

    /etc/init.d/apparmor restart
    /etc/init.d/mysql restart
Copy after login

至此修改完成。

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