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MySQL配置Master-Slave

[日期:2014-02-05] 来源:Linux社区  作者:staricqxyz [字体: ]

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

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) 

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)
查看master库status


[plain] view plaincopyprint?
MASTER@root@test 12:49:14>show master status\G 
*************************** 1. row *************************** 
            File: binlog-master.000003 
        Position: 1061 
    Binlog_Do_DB: 
Binlog_Ignore_DB: 
1 row in set (0.00 sec) 

MASTER@root@test 12:49:14>show master status\G
*************************** 1. row ***************************
            File: binlog-master.000003
        Position: 1061
    Binlog_Do_DB:
Binlog_Ignore_DB:
1 row in set (0.00 sec)
在slave库上配置master-slave


[plain] view plaincopyprint?
SLAVE@root@test 12:54:25>change master to master_host='mynode1',master_user='rep',master_password='rep',master_log_file='binlog-master.000003',master_log_pos=1061; 
Query OK, 0 rows affected (0.00 sec) 

SLAVE@root@test 12:54:25>change master to master_host='mynode1',master_user='rep',master_password='rep',master_log_file='binlog-master.000003',master_log_pos=1061;
Query OK, 0 rows affected (0.00 sec)
启动并查看slave status


[plain] view plaincopyprint?
SLAVE@root@test 12:54:53>start slave; 
Query OK, 0 rows affected (0.01 sec) 
 
SLAVE@root@test 12:55:01>show slave status\G 
*************************** 1. row *************************** 
              Slave_IO_State: Waiting for master to send event 
                  Master_Host: mynode1 
                  Master_User: rep 
                  Master_Port: 30307 
                Connect_Retry: 60 
              Master_Log_File: binlog-master.000003 
          Read_Master_Log_Pos: 1061 
              Relay_Log_File: mynode2-relay-bin.000002 
                Relay_Log_Pos: 257 
        Relay_Master_Log_File: binlog-master.000003 
            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: 1061 
              Relay_Log_Space: 415 
              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: 1 
1 row in set (0.00 sec) 
 
SLAVE@root@test 12:55:03> 

SLAVE@root@test 12:54:53>start slave;
Query OK, 0 rows affected (0.01 sec)

SLAVE@root@test 12:55:01>show slave status\G
*************************** 1. row ***************************
              Slave_IO_State: Waiting for master to send event
                  Master_Host: mynode1
                  Master_User: rep
                  Master_Port: 30307
                Connect_Retry: 60
              Master_Log_File: binlog-master.000003
          Read_Master_Log_Pos: 1061
              Relay_Log_File: mynode2-relay-bin.000002
                Relay_Log_Pos: 257
        Relay_Master_Log_File: binlog-master.000003
            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: 1061
              Relay_Log_Space: 415
              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: 1
1 row in set (0.00 sec)

SLAVE@root@test 12:55:03>


确保Slave_IO_Running和Slave_SQL_Running状态都为Yes

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相关资讯       MySQL配置  Master  Slave 
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