LAMP下修改MariaDB的数据存储路径

默认状况下MariaDB的存储为/var/lib/mysql/,如今由于某种缘由须要改成/media/data/mysql。php

一、首先停掉MariaDB和httpd的守护进程:mysql

# systemctl stop mariadb.servicesql

# systemctl stop httpd.servicevim


二、将/var/lib/mysql/复制到/media/data/下:服务器

# cp -avp /var/lib/mysql/ /media/data/socket

三、修改MariaDB的配置文件:ide

检查MariaDB的配置文件 :spa

# rpm -qc mariadb-serverserver

/etc/logrotate.d/mariadb进程

/etc/my.cnf.d/server.cnf

/var/log/mariadb/mariadb.log

可得出要修改的配置文件为/etc/my.cnf.d/server.cnf,修改之:

先进行备份,以防万一:

# cp -p /etc/my.cnf.d/server.cnf /etc/my.cnf.d/server.cnf.backup

修改MariaDB服务器,注释掉原来的datadir和socket,并从新添加:

# vim /etc/my.cnf.d/server.cnf

[mysqld]

#datadir=/var/lib/mysql

datadir=/media/data/mysql

#socket=/var/lib/mysql/mysql.sock

socket=/media/data/mysql/mysql.sock

修改MariaDB客户端的配置文件 (若不修改此项,在使用mysql链接服务器时会提示找不到socket文件):

# cp -p /etc/my.cnf.d/client.cnf /etc/my.cnf.d/client.cnf.backup

# vim /etc/my.cnf.d/client.cnf

[client]

socket=/media/data/mysql/mysql.sock


四、修改php链接MariaDB的socket位置:

# vim /etc/php.ini

mysql.default_socket = /media/data/mysql/mysql.sock   

#此项通常为空,如今须要手机指定上,否则php不能和MariaDB通讯

五、启动MariaDB和httpd服务:

# systemctl start mariadb.service

# systemctl start httpd.service

此时,修改完毕。

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