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  • MySQL主从复制报错及解决方法

    mysql> show slave status G
    *************************** 1. row ***************************
                   Slave_IO_State: 
                      Master_Host: 192.168.33.110
                      Master_User: slave
                      Master_Port: 3306
                    Connect_Retry: 60
                  Master_Log_File: mysql-bin000001
              Read_Master_Log_Pos: 315
                   Relay_Log_File: localhost-relay-bin.000003
                    Relay_Log_Pos: 4
            Relay_Master_Log_File: mysql-bin000001
    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: 315
                  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: 1236
    Last_IO_Error: Got fatal error 1236 from master when reading data from binary log: 'Could not find first log file name in binary log index file'
                   Last_SQL_Errno: 0
                   Last_SQL_Error: 
      Replicate_Ignore_Server_Ids: 
                 Master_Server_Id: 111
                      Master_UUID: 39a19e0a-7957-11e6-aa19-0800272020f4
                 Master_Info_File: /Data/data/mysql/data/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: 161213 07:06:57
         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)
    
    解决办法:
    mysql> change master to master_log_file='mysql-bin.000001',master_log_pos=315;
    Query OK, 0 rows affected (0.01 sec)
    
    报错:
    Fatal error: The slave I/O thread stops because master and slave have equal MySQL server UUIDs; these UUIDs must be different for replication to work. 
    解决办法:
    Mysql/data目录,把auto.cnf文件也拷贝过来了,里面记录了数据库的uuid,每个库的uuid应该是不一样的。
    [auto]
    server-uuid=39a19e0a-7957-11e6-aa19-0800272020f5
    

      

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  • 原文地址:https://www.cnblogs.com/timothy-lai/p/6514490.html
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