mysql5配备主从库

mysql5配置主从库

安装mysql请参考以下文章

http://blog.sina.com.cn/s/blog_4fe1599c01000b7t.html

下面直接记录下配置主从库的操作:

1.在主库建立要同步的数据库,建立主库的帐号和修改主库配置

首先连接上数据库

mysql -S /tmp/mysql-3108.sock

创建测试同步的数据库,”create database sinatest;”

然后建立负责同步的用户

grant all on *.* to ali@”%” Identified by “abc111”;

然后修改/data2/ali/mysql3308/my.cnf主库的配置,增加

binlog-do-db=sinatest

2.修改从库配置

然后修改/data2/ali/mysql3309/my.cnf主库的配置,增加

master-host=127.0.0.1

master-user=ali

master-password=abc111

master-port=3308

server-id=2

master-connect-retry=60

replicate-do-db=sinatest

log-slave-updates

3.重启mysql

/usr/local/mysql/bin/mysqld_safe –defaults-file=/data2/ali/mysql3308/my.cnf  –user=root &

/usr/local/mysql/bin/mysqld_safe –defaults-file=/data2/ali/mysql3309/my.cnf  –user=root &

4.在主库创建数据表,检查从库是否同步正确

进入主库,创建数据表

mysql -S /tmp/mysql-3108.sock

CREATE TABLE if not exists ali_test_00 (

  `id` int(11) unsigned NOT NULL auto_increment,

  `my_id` varchar(16) binary NOT NULL default ”,

  `my_title` varchar(96) binary NOT NULL default ”,

  `status` int(11) unsigned NOT NULL default ‘1’,

  PRIMARY KEY  (`id`),

  KEY `my_id` (`my_id`)

) TYPE=MyISAM;

insert into ali_test_00 values (null,32,”aliwwww”,1);

insert into ali_test_00 values (null,32,”aliwwww”,1);

然后检查从库是否有该表和表中是否有数据

SHOW SLAVE STATUS; 

SHOW MASTER STATUS;

slave stop;

slave start;

CHANGE MASTER TO

MASTER_HOST=’127.0.0.1′,

MASTER_USER=’ali’,

MASTER_PASSWORD=’abc111′,

MASTER_LOG_FILE=’mysql-bin.000003′,

MASTER_LOG_POS=0;