[root@slave1 ~]# !diff
diff /etc/my.cnf slave2.cnf
62c62
< server-id  = 11
---
> server-id  = 12
63a64
> replicate_do_db = test
65,69d65
< ssl-ca=/usr/local/mysql/ssl/cacert.pem
< ssl-key=/usr/local/mysql/ssl/mysql.key
< ssl-cert=/usr/local/mysql/ssl/mysql.crt
< binlog-format=ROW
< log-bin=slave1-bin
81c77
< report-host=slave1.sanyu.com
---
> report-host=slave2.sanyu.com
[root@slave1 ~]# scp slave2.cnf 10.10.10.63:/etc/my.cnf
[root@slave1 ~]# service mysqld restart
[root@slave2 ~]# service mysqld start
slave1> show variables like '%gtid%';
+--------------------------+-----------+
| Variable_name            | Value     |
+--------------------------+-----------+
| enforce_gtid_consistency | ON        |
| gtid_executed            |           |
| gtid_mode                | ON        |
| gtid_next                | AUTOMATIC |
| gtid_owned               |           |
| gtid_purged              |           |
+--------------------------+-----------+
6 rows in set (0.01 sec)
slave1> show variables like '%uuid%';
+---------------+--------------------------------------+
| Variable_name | Value                                |
+---------------+--------------------------------------+
| server_uuid   | e1edf259-08d4-11e3-bc72-000c29bc01c7 |
+---------------+--------------------------------------+
1 row in set (0.00 sec)
salve2> show variables like '%gtid%';
+--------------------------+-----------+
| Variable_name            | Value     |
+--------------------------+-----------+
| enforce_gtid_consistency | ON        |
| gtid_executed            |           |
| gtid_mode                | ON        |
| gtid_next                | AUTOMATIC |
| gtid_owned               |           |
| gtid_purged              |           |
+--------------------------+-----------+
6 rows in set (0.00 sec)
salve2> show variables like '%uuid%';
+---------------+--------------------------------------+
| Variable_name | Value                                |
+---------------+--------------------------------------+
| server_uuid   | e14444e3-0da9-11e3-9bf5-000c294f12ec |
+---------------+--------------------------------------+
1 row in set (0.02 sec)

授权复制用户:

slave1> GRANT REPLICATION SLAVE ON *.* TO repluser@10.10.10.63 IDENTIFIED BY 'redhat';
slave1> flush privileges;


导入数据

[root@slave2 ~]# mysql shop<shop.sql


连接主服务器

salve2> CHANGE MASTER TO MASTER_HOST='slave1.sanyu.com', MASTER_USER='repluser', MASTER_PASSWORD='redhat', MASTER_AUTO_POSITION=1;


开始复制

salve2> start slave;
slave1> create table t1(id int);
Query OK, 0 rows affected (0.31 sec)


测试test库

slave1> show tables;
+----------------+
| Tables_in_test |
+----------------+
| t1             |
+----------------+
1 row in set (0.00 sec)
slave2> show tables;
+----------------+
| Tables_in_test |
+----------------+
| t1             |
+----------------+
1 row in set (0.00 sec)
slave2> show slave status\G
*************************** 1. row ***************************
               Slave_IO_State: Waiting for master to send event
                  Master_Host: slave1.sanyu.com
                  Master_User: repluser
                  Master_Port: 3306
                Connect_Retry: 60
              Master_Log_File: slave1-bin.000002
          Read_Master_Log_Pos: 952
               Relay_Log_File: slave2-relay-bin.000003
                Relay_Log_Pos: 1124
        Relay_Master_Log_File: slave1-bin.000002
             Slave_IO_Running: Yes
            Slave_SQL_Running: Yes
              Replicate_Do_DB: shop,test
          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: 952
              Relay_Log_Space: 1541
              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: 0
Master_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
                  Master_UUID: e1edf259-08d4-11e3-bc72-000c29bc01c7
             Master_Info_File: mysql.slave_master_info
                    SQL_Delay: 0
          SQL_Remaining_Delay: NULL
      Slave_SQL_Running_State: Slave has read all relay log; waiting for the slave I/O thread to update it
           Master_Retry_Count: 86400
                  Master_Bind:
      Last_IO_Error_Timestamp:
     Last_SQL_Error_Timestamp:
               Master_SSL_Crl:
           Master_SSL_Crlpath:
           Retrieved_Gtid_Set: e1edf259-08d4-11e3-bc72-000c29bc01c7:3-7
            Executed_Gtid_Set: e14444e3-0da9-11e3-9bf5-000c294f12ec:1,
e1edf259-08d4-11e3-bc72-000c29bc01c7:1-7
                Auto_Position: 1
1 row in set (0.01 sec)


测试shop库

master> select user_id,user_name,last_time from shop.ecs_users;
+---------+-----------+---------------------+
| user_id | user_name | last_time           |
+---------+-----------+---------------------+
|       1 | ecshop    | 0000-00-00 00:00:00 |
|       2 | vip       | 0000-00-00 00:00:00 |
|       3 | text      | 0000-00-00 00:00:00 |
|       5 | zuanshi   | 0000-00-00 00:00:00 |
+---------+-----------+---------------------+
4 rows in set (0.00 sec)
slave1> select user_id,user_name,last_time from shop.ecs_users;
+---------+-----------+---------------------+
| user_id | user_name | last_time           |
+---------+-----------+---------------------+
|       1 | ecshop    | 0000-00-00 00:00:00 |
|       2 | vip       | 0000-00-00 00:00:00 |
|       3 | text      | 0000-00-00 00:00:00 |
|       5 | zuanshi   | 0000-00-00 00:00:00 |
+---------+-----------+---------------------+
4 rows in set (0.01 sec)
slave2> select user_id,user_name,last_time from shop.ecs_users;
+---------+-----------+---------------------+
| user_id | user_name | last_time           |
+---------+-----------+---------------------+
|       1 | ecshop    | 0000-00-00 00:00:00 |
|       2 | vip       | 0000-00-00 00:00:00 |
|       3 | text      | 0000-00-00 00:00:00 |
|       5 | zuanshi   | 0000-00-00 00:00:00 |
+---------+-----------+---------------------+
4 rows in set (0.00 sec)

插入一条记录

master> insert into shop.ecs_users(user_name,last_time) values ('slave1',now());
Query OK, 1 row affected, 7 warnings (10.14 sec)

一条简单的记录花了10s+,是启用半同步复制的结果

slave1> select user_id,user_name,last_time from shop.ecs_users;
+---------+-----------+---------------------+
| user_id | user_name | last_time           |
+---------+-----------+---------------------+
|       1 | ecshop    | 0000-00-00 00:00:00 |
|       2 | vip       | 0000-00-00 00:00:00 |
|       3 | text      | 0000-00-00 00:00:00 |
|       5 | zuanshi   | 0000-00-00 00:00:00 |
+---------+-----------+---------------------+
4 rows in set (0.00 sec)
slave1上并没有该记录
slave1> show slave status\G
*************************** 1. row ***************************
               Slave_IO_State:
                  Master_Host: 10.10.10.61
                  Master_User: repluser
                  Master_Port: 3306
                Connect_Retry: 10
              Master_Log_File: mysql-bin.000017
          Read_Master_Log_Pos: 484
               Relay_Log_File: slave1-relay-bin.000002
                Relay_Log_Pos: 266
        Relay_Master_Log_File: mysql-bin.000017
             Slave_IO_Running: No
            Slave_SQL_Running: Yes
              Replicate_Do_DB: shop
          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: 484
              Relay_Log_Space: 548
              Until_Condition: None
               Until_Log_File:
                Until_Log_Pos: 0
           Master_SSL_Allowed: Yes
           Master_SSL_CA_File: /usr/local/mysql/ssl/cacert.pem
           Master_SSL_CA_Path: /usr/local/mysql/ssl
              Master_SSL_Cert: /usr/local/mysql/ssl/mysql.crt
            Master_SSL_Cipher:
               Master_SSL_Key: /usr/local/mysql/ssl/mysql.key
        Seconds_Behind_Master: NULL
Master_SSL_Verify_Server_Cert: No
                Last_IO_Errno: 1593
                Last_IO_Error: The slave IO thread stops because the master has GTID_MODE OFF and this server has GTID_MODE ON
               Last_SQL_Errno: 0
               Last_SQL_Error:
  Replicate_Ignore_Server_Ids:
             Master_Server_Id: 1
                  Master_UUID:
             Master_Info_File: mysql.slave_master_info
                    SQL_Delay: 0
          SQL_Remaining_Delay: NULL
      Slave_SQL_Running_State: Slave has read all relay log; waiting for the slave I/O thread to update it
           Master_Retry_Count: 86400
                  Master_Bind:
      Last_IO_Error_Timestamp: 130826 13:19:52
     Last_SQL_Error_Timestamp:
               Master_SSL_Crl: /usr/local/mysql/ssl/cacert.pem
           Master_SSL_Crlpath: /usr/local/mysql/ssl
           Retrieved_Gtid_Set:
            Executed_Gtid_Set: e1edf259-08d4-11e3-bc72-000c29bc01c7:1-7
                Auto_Position: 0
1 row in set (0.00 sec)

可见,一旦启用了基于GTID的复制,所有结点都应该启用