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mysql主从复制失败(uuid)

mysql技术 九月朦胧 110次浏览 已收录 0个评论

我这里用docker镜像生成的两个容器,所以会导致主从复制失败:主从的uuid(UUID 是 通用唯一识别码)相同 。

mysql> stop slave;
Query OK, 0 rows affected (0.01 sec)

mysql> CHANGE MASTER TO MASTER_HOST='172.18.0.201',
    -> MASTER_PORT=3306,
    -> MASTER_USER='rep',
    -> MASTER_PASSWORD='123',
    -> MASTER_LOG_FILE='binlog.000003',
    -> MASTER_LOG_POS=404;
Query OK, 0 rows affected, 2 warnings (0.05 sec)

mysql> start slave;
Query OK, 0 rows affected (0.01 sec)

mysql> show slave status\G;
*************************** 1. row ***************************
               Slave_IO_State:
                  Master_Host: 172.18.0.201
                  Master_User: rep
                  Master_Port: 3306
                Connect_Retry: 60
              Master_Log_File: binlog.000003
          Read_Master_Log_Pos: 404
               Relay_Log_File: mysqld-relay-bin.000001
                Relay_Log_Pos: 4
        Relay_Master_Log_File: binlog.000003
             Slave_IO_Running: No
            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: 404
              Relay_Log_Space: 120
              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: NULL
Master_SSL_Verify_Server_Cert: No
                Last_IO_Errno: 1593
                Last_IO_Error: Fatal error: The slave I/O thread stops because master and slave have equal MySQL s                             erver UUIDs; these UUIDs must be different for replication to work.
               Last_SQL_Errno: 0
               Last_SQL_Error:
  Replicate_Ignore_Server_Ids:
             Master_Server_Id: 1
                  Master_UUID:
             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: 190614 11:55:05
     Last_SQL_Error_Timestamp:
               Master_SSL_Crl:
           Master_SSL_Crlpath:
           Retrieved_Gtid_Set:
            Executed_Gtid_Set:
                Auto_Position: 0
1 row in set (0.00 sec)

ERROR:
No query specified

mysql>

slave:

[root@e915630786b3 log]# cat /var/lib/mysql
mysql/       mysql-files/
[root@e915630786b3 log]# cat /var/lib/mysql/auto.cnf
[auto]
server-uuid=c9db6142-8bfd-11e9-b3b7-0242ac110002

master:

[root@3b7cfc77f2b8 /]# cat /var/lib/mysql/auto.cnf
[auto]
server-uuid=c9db6142-8bfd-11e9-b3b7-0242ac110002

slave:

[root@e915630786b3 log]# rm -rf /var/lib/mysql/auto.cnf
[root@e915630786b3 log]# systemctl restart mysql
[root@e915630786b3 log]# cat /var/lib/mysql/auto.cnf
[auto]
server-uuid=c6f8e6d0-8e9b-11e9-84c9-0242ac1200ca

重新执行一遍主从复制命令即可。


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