MYSQL 三节点复制
2012-07-05 14:31
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1.环境准备：
安装好三台MYSQL服务器。
A 192.168.1.8
B 192.168.1.88
C 192.168.1.188
环形结构： 192.168.1.8主 192.168.1.88从
192.168.1.88主 192.168.1.188从
192.168.1.188主 192.168.1.8从
2.更改配置文件/etc/my.cnf
增加以下内容：
log-bin=mysql-bin
slave-skip-errors=all
log-slave-updates
skip-name-resolve
在配置文件中修改： server-id 分别是 server-id=1 2 3
3.重启三个节点的MYSQL。
/home/mysql/mysql/support-files/mysql.server restart
4.添加复制用户。在每个节点都如此操作。
grant replication slave on *.* to 'replication'@'%' identified by 'replication';
grant all privileges on *.* to replication@'%' identified by 'replication';
4.配置复制进程：
（1） 192.168.1.8主 192.168.1.88从配置
A节点：show master status
-> ;
+------------------+----------+--------------+------------------+
| File | Position | Binlog_Do_DB | Binlog_Ignore_DB |
+------------------+----------+--------------+------------------+
| mysql-bin.000006 | 107 | | |
+------------------+----------+--------------+------------------+
1 row in set (0.00 sec)
B节点：
CHANGE MASTER TO MASTER_HOST='192.168.1.8',MASTER_PORT=3306,MASTER_USER='replication',MASTER_PASSWORD='replication',MASTER_LOG_FILE='mysql-bin.000006',MASTER_LOG_POS=107;
start slave;
show slave status\G
*************************** 1. row ***************************
Slave_IO_State: Waiting for master to send event
Master_Host: 192.168.1.88
Master_User: replication
Master_Port: 3306
Connect_Retry: 60
Master_Log_File: mysql-bin.000006
Read_Master_Log_Pos: 107
Relay_Log_File: localhost-relay-bin.000015
Relay_Log_Pos: 253
Relay_Master_Log_File: mysql-bin.000006
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: 107
Relay_Log_Space: 559
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: 2
1 row in set (0.00 sec)
（2）192.168.1.88主 192.168.1.188从配置
B节点：show master status;
+------------------+----------+--------------+------------------+
| File | Position | Binlog_Do_DB | Binlog_Ignore_DB |
+------------------+----------+--------------+------------------+
| mysql-bin.000006 | 107 | | |
+------------------+----------+--------------+------------------+
1 row in set (0.00 sec)
C节点配置：
CHANGE MASTER TO MASTER_HOST='192.168.1.8',MASTER_PORT=3306,MASTER_USER='replication',MASTER_PASSWORD='replication',MASTER_LOG_FILE='mysql-bin.000006',MASTER_LOG_POS=107;
start slave;
show slave status\G
*************************** 1. row ***************************
Slave_IO_State: Waiting for master to send event
Master_Host: 192.168.1.88
Master_User: replication
Master_Port: 3306
Connect_Retry: 60
Master_Log_File: mysql-bin.000006
Read_Master_Log_Pos: 107
Relay_Log_File: localhost-relay-bin.000017
Relay_Log_Pos: 253
Relay_Master_Log_File: mysql-bin.000006
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: 107
Relay_Log_Space: 559
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: 2
1 row in set (0.00 sec)
(3)192.168.1.188主 192.168.1.8从配置
C节点：show master status
-> ;
+------------------+----------+--------------+------------------+
| File | Position | Binlog_Do_DB | Binlog_Ignore_DB |
+------------------+----------+--------------+------------------+
| mysql-bin.000005 | 107 | | |
+------------------+----------+--------------+------------------+
1 row in set (0.00 sec)
A节点配置：
CHANGE MASTER TO MASTER_HOST='192.168.1.8',MASTER_PORT=3306,MASTER_USER='replication',MASTER_PASSWORD='replication',MASTER_LOG_FILE='mysql-bin.000005',MASTER_LOG_POS=107;
start slave;
show slave status\G
*************************** 1. row ***************************
Slave_IO_State: Waiting for master to send event
Master_Host: 192.168.1.88
Master_User: replication
Master_Port: 3306
Connect_Retry: 60
Master_Log_File: mysql-bin.000006
Read_Master_Log_Pos: 107
Relay_Log_File: localhost-relay-bin.000015
Relay_Log_Pos: 253
Relay_Master_Log_File: mysql-bin.000006
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: 107
Relay_Log_Space: 559
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: 2
1 row in set (0.00 sec)
验证：
只要表结构一样，引擎不一样也是可以同步的。
引擎也可以同步，就是你改动第二节点的引擎，第一节点也是会同步成相同的引擎的。
安装好三台MYSQL服务器。
A 192.168.1.8
B 192.168.1.88
C 192.168.1.188
环形结构： 192.168.1.8主 192.168.1.88从
192.168.1.88主 192.168.1.188从
192.168.1.188主 192.168.1.8从
2.更改配置文件/etc/my.cnf
增加以下内容：
log-bin=mysql-bin
slave-skip-errors=all
log-slave-updates
skip-name-resolve
在配置文件中修改： server-id 分别是 server-id=1 2 3
3.重启三个节点的MYSQL。
/home/mysql/mysql/support-files/mysql.server restart
4.添加复制用户。在每个节点都如此操作。
grant replication slave on *.* to 'replication'@'%' identified by 'replication';
grant all privileges on *.* to replication@'%' identified by 'replication';
4.配置复制进程：
（1） 192.168.1.8主 192.168.1.88从配置
A节点：show master status
-> ;
+------------------+----------+--------------+------------------+
| File | Position | Binlog_Do_DB | Binlog_Ignore_DB |
+------------------+----------+--------------+------------------+
| mysql-bin.000006 | 107 | | |
+------------------+----------+--------------+------------------+
1 row in set (0.00 sec)
B节点：
CHANGE MASTER TO MASTER_HOST='192.168.1.8',MASTER_PORT=3306,MASTER_USER='replication',MASTER_PASSWORD='replication',MASTER_LOG_FILE='mysql-bin.000006',MASTER_LOG_POS=107;
start slave;
show slave status\G
*************************** 1. row ***************************
Slave_IO_State: Waiting for master to send event
Master_Host: 192.168.1.88
Master_User: replication
Master_Port: 3306
Connect_Retry: 60
Master_Log_File: mysql-bin.000006
Read_Master_Log_Pos: 107
Relay_Log_File: localhost-relay-bin.000015
Relay_Log_Pos: 253
Relay_Master_Log_File: mysql-bin.000006
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: 107
Relay_Log_Space: 559
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: 2
1 row in set (0.00 sec)
（2）192.168.1.88主 192.168.1.188从配置
B节点：show master status;
+------------------+----------+--------------+------------------+
| File | Position | Binlog_Do_DB | Binlog_Ignore_DB |
+------------------+----------+--------------+------------------+
| mysql-bin.000006 | 107 | | |
+------------------+----------+--------------+------------------+
1 row in set (0.00 sec)
C节点配置：
CHANGE MASTER TO MASTER_HOST='192.168.1.8',MASTER_PORT=3306,MASTER_USER='replication',MASTER_PASSWORD='replication',MASTER_LOG_FILE='mysql-bin.000006',MASTER_LOG_POS=107;
start slave;
show slave status\G
*************************** 1. row ***************************
Slave_IO_State: Waiting for master to send event
Master_Host: 192.168.1.88
Master_User: replication
Master_Port: 3306
Connect_Retry: 60
Master_Log_File: mysql-bin.000006
Read_Master_Log_Pos: 107
Relay_Log_File: localhost-relay-bin.000017
Relay_Log_Pos: 253
Relay_Master_Log_File: mysql-bin.000006
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: 107
Relay_Log_Space: 559
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: 2
1 row in set (0.00 sec)
(3)192.168.1.188主 192.168.1.8从配置
C节点：show master status
-> ;
+------------------+----------+--------------+------------------+
| File | Position | Binlog_Do_DB | Binlog_Ignore_DB |
+------------------+----------+--------------+------------------+
| mysql-bin.000005 | 107 | | |
+------------------+----------+--------------+------------------+
1 row in set (0.00 sec)
A节点配置：
CHANGE MASTER TO MASTER_HOST='192.168.1.8',MASTER_PORT=3306,MASTER_USER='replication',MASTER_PASSWORD='replication',MASTER_LOG_FILE='mysql-bin.000005',MASTER_LOG_POS=107;
start slave;
show slave status\G
*************************** 1. row ***************************
Slave_IO_State: Waiting for master to send event
Master_Host: 192.168.1.88
Master_User: replication
Master_Port: 3306
Connect_Retry: 60
Master_Log_File: mysql-bin.000006
Read_Master_Log_Pos: 107
Relay_Log_File: localhost-relay-bin.000015
Relay_Log_Pos: 253
Relay_Master_Log_File: mysql-bin.000006
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: 107
Relay_Log_Space: 559
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: 2
1 row in set (0.00 sec)
验证：
只要表结构一样，引擎不一样也是可以同步的。
引擎也可以同步，就是你改动第二节点的引擎，第一节点也是会同步成相同的引擎的。
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转载于:http://blog.itpub.net/22740983/viewspace-734644/
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