Configure Master-Slave for MySQL

Open the log-bin parameter in the master database to ensure that the server-id parameters of the master and slave are different.

Create a rep user on the master to allow slave access

[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)
Log on to the slave Library

[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) 2000,201 3, 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;
+ Shards +
| Grants for rep@192.168.1.12 |
+ Shards +
| Grant replication slave on *. * TO 'rep '@ '192. 168.1.12' identified by password' * 9FF2C222F44C7BBA5CC7E3BE8573AA4E1776278C '|
+ Shards +
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) 2000,201 3, 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;
+ Shards +
| Grants for rep@192.168.1.12 |
+ Shards +
| Grant replication slave on *. * TO 'rep '@ '192. 168.1.12' identified by password' * 9FF2C222F44C7BBA5CC7E3BE8573AA4E1776278C '|
+ Shards +
1 row in set (0.00 sec)

SLAVE @ rep @ (none) 12:47:16> slave database's log-bin and server-id Parameters

[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)
View master database 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)
Configure master-slave on the slave Library

[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)
Start and view 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>

Make sure that the Slave_IO_Running and Slave_ SQL _Running statuses are both Yes.