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HomeDatabaseMysql Tutorial Mysql数据库主从复制部署详解

目的:主从服务器设置的稳健性得以提升,如果主服务器发生故障,可以把本来作为备份的从服务器提升为新的主服务器。在主从服务器上分开处理用户的请求,可获得更

 Mysql数据库主从复制部署详解

 

主从复制配置

  • insert into mysql.user(host,user,password) values("localhost","rep1",password("mysql")); flush privileges; grant replication slave on *.* to rep1@192.168.56.129 identified by 'mysql';mysql> show master status;

     Mysql数据库主从复制部署详解

  • mysqld_safe --user=mysql &mysql -uroot -pmysql> change master to master_host='192.168.56.128',master_user='rep1' ,master_password='mysql',master_log_file='mysql-bin.000004',master_log_pos=477;

    正确执行后再执行

    mysql> start slave;

     Mysql数据库主从复制部署详解

     Mysql数据库主从复制部署详解

     

     

    如果主数据库服务器已经存在用户数据,那么在进行主从复制时,需要做以下处理。

    mysql>flush tables with read lock;mysql>show master status;

     Mysql数据库主从复制部署详解

    mysql>unlock tables;

    从服务器的操作和前面的步骤一样,网站空间,略过。

  • mysql>create database first_tb;mysql>insert into first_tb values (001,'myself');mysql>show databases;

     Mysql数据库主从复制部署详解

    在从库上查看,网站空间,香港虚拟主机,数据库已经完全导入。

     Mysql数据库主从复制部署详解

    本文出自 “老徐的私房菜” 博客,谢绝转载!

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