环境是两台服务器做的主主备份,A服务器从B服务器同步的时候会遇到状态都正常就是A服务器的Read_Master_Log_Pos和B服务器的不一致,相差200多万, B服务器从A服务器复制一切正常.

相关信息如下:

A服务器的show slave statusG的结果

mysql> show slave status\G

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

Slave_IO_State: Waiting for master to send event

Master_Host: 192.168.100.100

Master_User: slave

Master_Port: 3306

Connect_Retry: 60

Master_Log_File: mysql-bin.000005

Read_Master_Log_Pos: 211001228

Relay_Log_File: iZ23rdfmxjuZ-relay-bin.000034

Relay_Log_Pos: 2651540

Relay_Master_Log_File: mysql-bin.000005

Slave_IO_Running: Yes

Slave_SQL_Running: Yes

Replicate_Do_DB: 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: 211001228

Relay_Log_Space: 70547558

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: 180

Master_UUID: d69b94b2-c40d-11e6-914b-c80aa98819df

Master_Info_File: /var/lib/mysql/master.info

SQL_Delay: 0

SQL_Remaining_Delay: NULL

Slave_SQL_Running_State: Slave has read all relay log; waiting for the slave I/O thread to update it

Master_Retry_Count: 86400

Master_Bind:

Last_IO_Error_Timestamp:

Last_SQL_Error_Timestamp:

Master_SSL_Crl:

Master_SSL_Crlpath:

Retrieved_Gtid_Set:

Executed_Gtid_Set:

Auto_Position: 0

B服务器上的show master status;

mysql> show master status\G;

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

File: mysql-bin.000005

Position: 212286606

Binlog_Do_DB: l4d2_wykh

Binlog_Ignore_DB:

Executed_Gtid_Set:

1 row in set (0.02 sec)

Slave_IO_Running 和 Slave_SQL_Running 都正常只有pos出现不一致的问题

目前临时解决办法是在A服务器上stop slave然后start slave就好了,重启slave就会进行同步.