修改mysql数据存储的地址_MySQL-mysql教程-PHP中文网

修改mysql数据存储的地址_MySQL

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发布： 2016-06-01 13:30:38

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修改mysql数据存储的地址

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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)

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2，关闭mysql服务

service mysql stop

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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/datamkdir -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/

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4,修改配置文件

[root@stmysql1 lib]# vi /etc/rc.d/init.d/mysqlbasedir=datadir=/data/mysql/data

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5，启动mysql

service mysql start

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6，修改后的地址如下，已修改成功

-bash-3.2$ mysqlWelcome to the MySQL monitor.  Commands end with ; or /g.Your MySQL connection id is 1Server 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 itsaffiliates. Other names may be trademarks of their respectiveowners.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)

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