MySQL配置Master-Slave

master库打开log-bin参数，保证master和slave的server-id参数不同，在master上创建允许slave访问的rep用户。

master库打开log-bin参数，保证master和slave的server-id参数不同

在master上创建允许slave访问的rep用户

[plain] view plaincopyprint?
MASTER@root@(none) 12:34:34>grant replication slave on *.* to 'rep'@'192.168.1.12' identified by 'rep'; 
Query OK, 0 rows affected (0.00 sec) 

MASTER@root@(none) 12:34:34>grant replication slave on *.* to 'rep'@'192.168.1.12' identified by 'rep';
Query OK, 0 rows affected (0.00 sec)[plain] view plaincopyprint?
MASTER@root@test 12:48:58>show variables like '%server_id%'; 
+---------------+-------+ 
| Variable_name | Value | 
+---------------+-------+ 
| server_id    | 1    | 
+---------------+-------+ 
1 row in set (0.00 sec) 
 
MASTER@root@test 12:49:04>show variables like 'log_bin'; 
+---------------+-------+ 
| Variable_name | Value | 
+---------------+-------+ 
| log_bin      | ON    | 
+---------------+-------+ 
1 row in set (0.00 sec) 

MASTER@root@test 12:48:58>show variables like '%server_id%';
+---------------+-------+
| Variable_name | Value |
+---------------+-------+
| server_id    | 1    |
+---------------+-------+
1 row in set (0.00 sec)

MASTER@root@test 12:49:04>show variables like 'log_bin';
+---------------+-------+
| Variable_name | Value |
+---------------+-------+
| log_bin      | ON    |
+---------------+-------+
1 row in set (0.00 sec)
slave库尝试登录

[plain] view plaincopyprint?
[root@mynode2 mysql]# /service/mysql/bin/mysql -h mynode1 -urep -p 
Enter password: 
Welcome to the MySQL monitor.  Commands end with ; or \g. 
Your MySQL connection id is 11 
Server version: 5.5.34-log MASTER_DB 
 
Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved. 
 
Oracle is a registered trademark of Oracle Corporation and/or its 
affiliates. Other names may be trademarks of their respective 
owners. 
 
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. 
 
SLAVE@rep@(none) 12:47:05>show grants; 
+---------------------------------------------------------------------------------------------------------------------------+ 
| Grants for rep@192.168.1.12                                                                                              | 
+---------------------------------------------------------------------------------------------------------------------------+ 
| GRANT REPLICATION SLAVE ON *.* TO 'rep'@'192.168.1.12' IDENTIFIED BY PASSWORD '*9FF2C222F44C7BBA5CC7E3BE8573AA4E1776278C' | 
+---------------------------------------------------------------------------------------------------------------------------+ 
1 row in set (0.00 sec) 
 
SLAVE@rep@(none) 12:47:16> 

[root@mynode2 mysql]# /service/mysql/bin/mysql -h mynode1 -urep -p
Enter password:
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 11
Server version: 5.5.34-log MASTER_DB

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Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

SLAVE@rep@(none) 12:47:05>show grants;
+---------------------------------------------------------------------------------------------------------------------------+
| Grants for rep@192.168.1.12                                                                                              |
+---------------------------------------------------------------------------------------------------------------------------+
| GRANT REPLICATION SLAVE ON *.* TO 'rep'@'192.168.1.12' IDENTIFIED BY PASSWORD '*9FF2C222F44C7BBA5CC7E3BE8573AA4E1776278C' |
+---------------------------------------------------------------------------------------------------------------------------+
1 row in set (0.00 sec)

SLAVE@rep@(none) 12:47:16>slave库的log-bin和server-id参数

[plain] view plaincopyprint?
SLAVE@root@(none) 12:50:02>show variables like '%server_id%'; 
+---------------+-------+ 
| Variable_name | Value | 
+---------------+-------+ 
| server_id    | 2    | 
+---------------+-------+ 
1 row in set (0.00 sec) 
 
SLAVE@root@(none) 12:50:11>show variables like 'log_bin'; 
+---------------+-------+ 
| Variable_name | Value | 
+---------------+-------+ 
| log_bin      | ON    | 
+---------------+-------+ 
1 row in set (0.00 sec)