[mysqld]log-bin=mysql-bin   #[必须]启用二进制日志server-id=1      #[必须]服务器唯一ID，默认是1，一般取IP最后一段
# binlog-do-db=testbbc   #[可选]指定需要同步的数据库

log-bin=mysql-bin   #[不是必须]启用二进制日志server-id=2      #[必须]服务器唯一ID，默认是1，一般取IP最后一段# binlog-do-db=testbbc #[可选]//同步数据库

mysql> grant replication slave on *.* to ‘root‘@‘192.168.56.1‘ identified by ‘root‘;Query OK, 0 rows affected (0.00 sec)mysql> flush privileges;Query OK, 0 rows affected (0.00 sec)mysql> select host,user,password from mysql.user;+--------------+------+-------------------------------------------+| host         | user | password                                  |+--------------+------+-------------------------------------------+| localhost    | root | *81F5E21E35407D884A6CD4A731AEBFB6AF209E1B || 127.0.0.1    | root | *81F5E21E35407D884A6CD4A731AEBFB6AF209E1B || ::1          | root | *81F5E21E35407D884A6CD4A731AEBFB6AF209E1B || %            | root | *81F5E21E35407D884A6CD4A731AEBFB6AF209E1B || 192.168.56.1 | root | *81F5E21E35407D884A6CD4A731AEBFB6AF209E1B |+--------------+------+-------------------------------------------+5 rows in set (0.00 sec)

mysql> show master status;+------------------+----------+--------------+------------------+| File             | Position | Binlog_Do_DB | Binlog_Ignore_DB |+------------------+----------+--------------+------------------+| mysql-bin.000001 |      333 |              |                  |+------------------+----------+--------------+------------------+1 row in set (0.00 sec)# 这里需要记录 File 以及 Position 的值，在操作从服务器时会用到

# 执行同步SQL语句mysql> change master to master_host=‘192.168.56.1‘,master_user=‘root‘,master_password=‘root‘,master_log_file=‘mysql-bin.000001‘,master_log_pos=333;Query OK, 0 rows affected (0.06 sec)# 启动同步进程mysql> start slave;Query OK, 0 rows affected (0.00 sec)# 主从同步检查mysql> show slave status \G*************************** 1. row ***************************               Slave_IO_State: Waiting for master to send event                  Master_Host: 192.168.56.1                  Master_User: root                  Master_Port: 3306                Connect_Retry: 60              Master_Log_File: mysql-bin.000001          Read_Master_Log_Pos: 333               Relay_Log_File: Centos6-relay-bin.000002                Relay_Log_Pos: 253        Relay_Master_Log_File: mysql-bin.000001             Slave_IO_Running: Yes            Slave_SQL_Running: Yes              Replicate_Do_DB:           Replicate_Ignore_DB:            Replicate_Do_Table:        Replicate_Ignore_Table:       Replicate_Wild_Do_Table:   Replicate_Wild_Ignore_Table:                    Last_Errno: 0                   Last_Error:                  Skip_Counter: 0          Exec_Master_Log_Pos: 333              Relay_Log_Space: 411              Until_Condition: None               Until_Log_File:                 Until_Log_Pos: 0           Master_SSL_Allowed: No           Master_SSL_CA_File:            Master_SSL_CA_Path:               Master_SSL_Cert:             Master_SSL_Cipher:                Master_SSL_Key:         Seconds_Behind_Master: 0Master_SSL_Verify_Server_Cert: No                Last_IO_Errno: 0                Last_IO_Error:                Last_SQL_Errno: 0               Last_SQL_Error:   Replicate_Ignore_Server_Ids:              Master_Server_Id: 11 row in set (0.00 sec)# 可以看到：Slave_IO_Running | Slave_SQL_Running两个值都是YES，说明配置成功了

mysql> create database test_db;Query OK, 1 row affected (0.00 sec)mysql> use test_db;Database changedmysql> create table test_tb(id int, name varchar(20));Query OK, 0 rows affected (0.06 sec)mysql> insert into test_tb(id,name) values(1, ‘aaaa‘);Query OK, 1 row affected (0.00 sec)

# 主数据库mysql> show databases;+--------------------+| Database           |+--------------------+| information_schema || mysql              || performance_schema || test               || test_db            || testbbc            |+--------------------+6 rows in set (0.17 sec)mysql> select * from test_tb;+------+------+| id   | name |+------+------+|    1 | aaaa |+------+------+1 row in set (0.00 sec)

# 从数据库mysql> show databases;+--------------------+| Database           |+--------------------+| information_schema || mysql              || performance_schema || test               || test_db            |+--------------------+5 rows in set (0.02 sec)mysql> use test_db;Database changedmysql> select * from test_tb;+------+------+| id   | name |+------+------+|    1 | aaaa |+------+------+1 row in set (0.00 sec)