MySQL中怎样配置互为主从-创新互联

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MySQL-VIP:192.168.1.200

2 MySQL-master1:192.168.1.201

3 MySQL-master2:192.168.1.202

4

5 OS版本:CentOS 5.4

6 MySQL版本:5.0.89

7 Keepalived版本:1.1.20

一、MySQL master-master配置

1、修改MySQL配置文件

两台MySQL均如要开启binlog日志功能,开启方法:在MySQL配置文件[MySQLd]段中加上log-bin=MySQL-bin选项

两台MySQL的server-ID不能一样,默认情况下两台MySQL的serverID都是1,需将其中一台修改为2即可

2、将192.168.1.201设为192.168.1.202的主服务器

在192.168.1.201上新建授权用户

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01 MySQL> grant replication slave on *.* to  identified by replication;

02 Query OK, 0 rows affected (0.00 sec)

03

04 MySQL> show master status;

05 +------------------+----------+--------------+------------------+

06 | File             | Position | Binlog_Do_DB | Binlog_Ignore_DB |

07 +------------------+----------+--------------+------------------+

08 | MySQL-bin.000003 |      374 |              |                  |

09 +------------------+----------+--------------+------------------+

10 1 row in set (0.00 sec)

11   在192.168.1.202上将192.168.1.201设为自己的主服务器

12

13 MySQL> change master to master_host=192.168.1.201,master_user=replication,master_password=replication,master_log_file=MySQL-bin.000003,master_log_pos=374;

14 Query OK, 0 rows affected (0.05 sec)

15

16 MySQL> start slave;

17 Query OK, 0 rows affected (0.00 sec)

18

19 MySQL> show slave statusG

20 *************************** 1. row ***************************

21              Slave_IO_State: Waiting for master to send event

22                 Master_Host: 192.168.1.201

23                 Master_User: replication

24                 Master_Port: 3306

25               Connect_Retry: 60

26             Master_Log_File: MySQL-bin.000003

27         Read_Master_Log_Pos: 374

28              Relay_Log_File: MySQL-master2-relay-bin.000002

29               Relay_Log_Pos: 235

30       Relay_Master_Log_File: MySQL-bin.000003

31            Slave_IO_Running: Yes

32           Slave_SQL_Running: Yes

33             Replicate_Do_DB:

34         Replicate_Ignore_DB:

35          Replicate_Do_Table:

36      Replicate_Ignore_Table:

37     Replicate_Wild_Do_Table:

38 Replicate_Wild_Ignore_Table:

39                  Last_Errno: 0

40                  Last_Error:

41                Skip_Counter: 0

42         Exec_Master_Log_Pos: 374

43             Relay_Log_Space: 235

44             Until_Condition: None

45              Until_Log_File:

46               Until_Log_Pos: 0

47          Master_SSL_Allowed: No

48          Master_SSL_CA_File:

49          Master_SSL_CA_Path:

50             Master_SSL_Cert:

51           Master_SSL_Cipher:

52              Master_SSL_Key:

53       Seconds_Behind_Master: 0

54 1 row in set (0.00 sec)

3、将192.168.1.202设为192.168.1.201的主服务器

在192.168.1.202上新建授权用户

view source
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print?
01 MySQL> grant replication slave on *.* to  identified by replication;

02 Query OK, 0 rows affected (0.00 sec)

03

04 MySQL> show master status;

05 +------------------+----------+--------------+------------------+

06 | File             | Position | Binlog_Do_DB | Binlog_Ignore_DB |

07 +------------------+----------+--------------+------------------+

08 | MySQL-bin.000003 |      374 |              |                  |

09 +------------------+----------+--------------+------------------+

10 1 row in set (0.00 sec)

在192.168.1.201上,将192.168.1.202设为自己的主服务器

view source
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以上就是MySQL中怎样配置互为主从,小编相信有部分知识点可能是我们日常工作会见到或用到的。希望你能通过这篇文章学到更多知识。更多详情敬请关注创新互联行业资讯频道。


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