1 [root@node2 ~]# mkdir -p /var/log/mysql
2 [root@node2 ~]# chown -R mysql:mysql /var/log/mysql   //创建更新目录并赋予mysql用户权限

1 [root@node2 mysql]# vi my.cnf               //编辑配置文件增加以下内容
2 log-bin=mysql-bin                                  //启动二进制日志系统
3 binlog-do-db=node1
4 binlog-do-db=node2                                //二进制需要同步的数据库名 如果有多个数据库，每个数据库一行
5 server-id = 1                                    //本机数据库ID
6 log-bin=/var/log/mysql/updatelog          //设定生成log文件名，这里的路径没有mysql目录要手动创建并给于它mysql用户的权限
7 binlog-ignore-db=mysql                   //避免同步mysql用户配置，以免不必要的麻烦

1 mysql> GRANT REPLICATION SLAVE,REPLICATION CLIENT,RELOAD,SUPER ON *.* TO 'replication'@'192.168.1.151' IDENTIFIED BY '123456';
2 Query OK, 0 rows affected (0.00 sec)      //给从服务器用户replication 的同步权限
3
4 mysql> Grant ALL PRIVILEGES ON node1.* TO replication@'%' IDENTIFIED BY '123456';           //创建用户replication,密码123456,允许所有用户访问数据库node1，并刷新权限
5 Query OK, 0 rows affected (0.00 sec)
6
7 mysql> Grant ALL PRIVILEGES ON node2.* TO replication@'%' IDENTIFIED BY '123456';
8 Query OK, 0 rows affected (0.00 sec)

 1 mysql> create database node1;
 2 Query OK, 1 row affected (0.00 sec)
 3
 4 mysql> create database node2;
 5 Query OK, 1 row affected (0.00 sec)
 6
 7 mysql> use node1;
 8 Database changed
 9 mysql> create table node1 (id char) engine=myisam;
10 Query OK, 0 rows affected (0.01 sec)
11
12 mysql> insert into node1 values(1);
13 Query OK, 1 row affected (0.00 sec)
14
15 mysql> commit;
16 Query OK, 0 rows affected (0.00 sec)
17
18 mysql> exit;
19 Bye
20 [root@node2 app]# service mysql stop;
21 Shutting down MySQL...                                     [  OK  ]
22
23 [root@node2 data]# tar -cvf db.tar node1 node2
24 node1/
25 node1/node1.MYI
26 node1/db.opt
27 node1/node1.frm
28 node1/node1.MYD
29 node2/
30 node2/db.opt
31 [root@node2 data]# ll
32 total 30140
33 -rw-r--r-- 1 root  root     20480 Nov 13 19:29 db.tar
34
35 [root@node2 data]# scp db.tar node1:/app/mysql/data/
36 db.tar                                                                 100%   20KB  20.0KB/s   00:00
37
38 [root@node2 data]# service mysql start
39 Starting MySQL..                                           [  OK  ]
40
41 [root@node2 data]# mysql
42 Welcome to the MySQL monitor.  Commands end with ; or \g.
43 Your MySQL connection id is 1
44 Server version: 5.5.22-log Source distribution
45
46 Copyright (c) 2000, 2011, Oracle and/or its affiliates. All rights reserved.
47
48 Oracle is a registered trademark of Oracle Corporation and/or its
49 affiliates. Other names may be trademarks of their respective
50 owners.
51
52 Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
53
54 mysql> show master status;
55 +------------------+----------+--------------+------------------+
56 | File             | Position | Binlog_Do_DB | Binlog_Ignore_DB |
57 +------------------+----------+--------------+------------------+
58 | updatelog.000001 |      107 | node1,node2  | mysql            |
59 +------------------+----------+--------------+------------------+
60 1 row in set (0.00 sec)

 1 [root@node1 data]# vi ../my.cnf
 2 server-id       = 2                           //从服务器ID号
 3 #master_host=192.168.1.152        //主服务器地址
 4 #master_user=replication              //指定在主服务器上可以进行同步的用户名
 5 #master_password=123456           //密码
 6 #master-port=3306                        //端口号
 7 #master-connect-retry=60               //断点重连时间
 8 replicate-ignore-db=mysql              //屏蔽对mysql库的同步，以免有麻烦
 9 replicate-do-db=node1                         //同步数据库名称
10 replicate-do-db=node2
11 ----由于5.3以后不支持master_host参数等，因此下面采用change master to的方式

[root@node1 data]# tar -xvf db.tar
node1/
node1/node1.MYI
node1/db.opt
node1/node1.frm
node1/node1.MYD
node2/
node2/db.opt
[root@node1 data]# chown -R mysql:mysql node1
[root@node1 data]# chown -R mysql:mysql node2
[root@node1 data]# service mysql restart
Starting MySQL                                             [  OK  ]

mysql> slave stop-> ;
Query OK, 0 rows affected (0.01 sec)mysql> change master to master_host='192.168.1.152', master_user='replication', master_password='123456';
Query OK, 0 rows affected (0.01 sec)mysql> slave start;
Query OK, 0 rows affected (0.00 sec)mysql> show slave status\G;
*************************** 1. row ***************************Slave_IO_State: Waiting for master to send eventMaster_Host: 192.168.1.152Master_User: replicationMaster_Port: 3306Connect_Retry: 60Master_Log_File: updatelog.000001Read_Master_Log_Pos: 107Relay_Log_File: node1-relay-bin.000002Relay_Log_Pos: 253Relay_Master_Log_File: updatelog.000001Slave_IO_Running: YesSlave_SQL_Running: YesReplicate_Do_DB: node1,node2Replicate_Ignore_DB: mysqlReplicate_Do_Table: Replicate_Ignore_Table: Replicate_Wild_Do_Table: Replicate_Wild_Ignore_Table: Last_Errno: 0Last_Error: Skip_Counter: 0Exec_Master_Log_Pos: 107Relay_Log_Space: 409Until_Condition: NoneUntil_Log_File: Until_Log_Pos: 0Master_SSL_Allowed: NoMaster_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: NoLast_IO_Errno: 0Last_IO_Error: Last_SQL_Errno: 0Last_SQL_Error: Replicate_Ignore_Server_Ids: Master_Server_Id: 1
1 row in set (0.00 sec)ERROR:
No query specifiedmysql> use node1;
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -ADatabase changed
mysql> show tables;
+-----------------+
| Tables_in_node1 |
+-----------------+
| node1           |
+-----------------+
1 row in set (0.00 sec)mysql> select * from node1;
+------+
| id   |
+------+
| 1    |
+------+
1 row in set (0.00 sec)

----主库端操作
mysql> use node1;
Database changed
mysql> insert into node1 values(2);
Query OK, 1 row affected (0.01 sec)mysql> commit;
Query OK, 0 rows affected (0.00 sec)mysql> use node2;
Database changed
mysql> create table node2 (id char);
Query OK, 0 rows affected (0.01 sec)----备库端查询
mysql> select * from node1;
+------+
| id   |
+------+
| 1    |
| 2    |
+------+
2 rows in set (0.00 sec)mysql> use node2;
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -ADatabase changed
mysql> show tables;
+-----------------+
| Tables_in_node2 |
+-----------------+
| node2           |
+-----------------+
1 row in set (0.00 sec)