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mysql如何修改数据库目录
环境:
OS:Red Hat Linux As 5
DB:MySql 5.5
在linux下安装好mysql后,默认的数据文件路径存放在/var/lib/mysql目录下,
下面的步骤说明如将该目录下的数据文件迁移到其他目录.
1.创建数据库目录并将该目录权限属主修改为mysql
[root@host1 /]# mkdir -p mysql/data
[root@host1 /]# chown -R mysql:mysql ./mysql
2.停止mysql服务
[root@host1 etc]# service mysql stop
Shutting down MySQL. [ OK ]
3.修改my.cnf文件修改
在[mysqld]下添加新的数据存放路径
datadir=/mysql/data
4.将默认的数据路径下的所有文件和目录cp到新的目录下
[root@host1 mysql]#cd /var/lib/mysql
[root@host1 mysql]#cp -R * /mysql/data/
这里注意copy过去的目录权限属主需要修改为mysql,这里直接修改
mysql目录即可.
[root@host1 mysql]# chown -R mysql:mysql ./mysql
4.启动数据库
[root@host1 mysql]# service mysql start
Starting MySQL.... [ OK ]
-- The End --
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