Mysql 主从复制

主 IP : 1.2.3.7

从 IP : 1.2.3.4

Mysql主服务器

vi my.cnf

[mysqld]

log-bin = mysql-bin //必须开启二进制日志

server-id = 1 //确保这个id号没有被其他服务器使用

create user sync@'localhost' identified by '123456';

flush privileges;

grant replication slave on *.* to sync@'1.2.3.4' identified by '123456';

mysql> show master status;

+------------------+----------+--------------+------------------+-------------------+

| File             | Position | Binlog_Do_DB | Binlog_Ignore_DB | Executed_Gtid_Set |

+------------------+----------+--------------+------------------+-------------------+

| mysql-bin.000020 |      676 |              |                  |                   |

+------------------+----------+--------------+------------------+-------------------+

1 row in set (0.00 sec)

Mysql 从服务器

vi my.cnf

[mysqld]

log-bin = mysql-bin //必须开启二进制日志

server-id = 2 //确保这个id号没有被其他服务器使用

连接数据库

mysql> change master to

mysql> master_host='1.2.3.7',master_user='sync',master_password='123456',master_log_file='mysql-bin.000020',master_log_pos=676;

mysql> start slave;

mysql> show slave status\G;