修改
mysql数据存储的地址
修改步骤如下
1,修改前为默认路径/var/lib/mysql/，计划修改为/data/mysql/data
mysql> show variables like '%dir%'; +-----------------------------------------+----------------------------+ | Variable_name | Value | +-----------------------------------------+----------------------------+ | basedir | /usr | | binlog_direct_non_transactional_updates | OFF | | character_sets_dir | /usr/share/mysql/charsets/ | | datadir | /var/lib/mysql/ | | innodb_data_home_dir | | | innodb_log_group_home_dir | ./ | | innodb_max_dirty_pages_pct | 75 | | lc_messages_dir | /usr/share/mysql/ | | plugin_dir | /usr/lib64/mysql/plugin/ | | slave_load_tmpdir | /tmp | | tmpdir | /tmp | +-----------------------------------------+----------------------------+ 11 rows in set (0.00 sec)
2，关闭mysql服务
service mysql stop
3，新建目录，修改权限并cp相关文件到目标目录
新的数据存储路径为/data/mysql/data mkdir -p /data/mysql/data 更改新路径权限宿主 chown mysql:mysql /data/mysql/data 将原数据全部拷贝到新路径 cp -a /var/lib/mysql/* /data/mysql/data/
4,修改配置文件
[root@stmysql1 lib]# vi /etc/rc.d/init.d/mysql basedir= datadir=/data/mysql/data
5，启动mysql
service mysql start
6，修改后的地址如下，已修改成功
-bash-3.2$ mysql Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 1 Server version: 5.5.33 MySQL Community Server (GPL) Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql> show variables like '%dir%'; +-----------------------------------------+----------------------------+ | Variable_name | Value | +-----------------------------------------+----------------------------+ | basedir | /usr | | binlog_direct_non_transactional_updates | OFF | | character_sets_dir | /usr/share/mysql/charsets/ | | datadir | /data/mysql/data/ | | innodb_data_home_dir | | | innodb_log_group_home_dir | ./ | | innodb_max_dirty_pages_pct | 75 | | lc_messages_dir | /usr/share/mysql/ | | plugin_dir | /usr/lib64/mysql/plugin/ | | slave_load_tmpdir | /tmp | | tmpdir | /tmp | +-----------------------------------------+----------------------------+ 11 rows in set (0.00 sec)