Mysql 主从配置

vi /etc/my.cnf

[mysqld] 
log-bin=mysql-bin //启用二进制日志 
server-id=1 //默认是1 可以设置的范围是1到2^32-1 

GRANT ALL ON *.* TO user@‘%‘ IDENTIFIED BY ‘123456‘ WITH GRANT OPTION; 

查看当前主服务器信息 
mysql> show master status; 

vim /etc/my.cnf

[mysqld] 
server-id=2 

mysql>change master to 
master_host=‘114.215.186.197‘, 
master_user=‘user‘, 
master_password=‘123456‘,
master_log_file=‘主服务器的File‘, 　-----我这就是mysql-bin.000005

master_log_pos=主服务器的Position; -----我这就是577

msyql> start slave; 

mysql> show slave status\G; 

‘db‘ => [
            ‘class‘ => ‘yii\db\Connection‘,
            // 配置主服务器
            ‘dsn‘ => ‘mysql:host=118.25.108.136;dbname=yii_book‘,
            ‘username‘ => ‘user‘,
            ‘password‘ => ‘123456‘,
            ‘charset‘ => ‘utf8‘,

            // 配置从服务器
            ‘slaveConfig‘ => [
                ‘username‘ => ‘user‘,
                ‘password‘ => ‘123456‘,
                ‘attributes‘ => [
                    // use a smaller connection timeout
                    PDO::ATTR_TIMEOUT => 10,
                ],
                ‘charset‘ => ‘utf8‘,
            ],

            // 配置从服务器组
            ‘slaves‘ => [
                [‘dsn‘ => ‘mysql:host=116.196.83.132;dbname=yii_book‘],
            ],
        ],