mysql报1236错误解决方法

小灰灰 2022-01-10 09:51 345阅读 0赞

mysql slave状态如下，发现IO线程为NO状态，并且报1236错误代码

mysql> show slave status\G
    *************************** 1. row ***************************
                   Slave_IO_State: 
                      Master_Host: 10.0.0.20
                      Master_User: rep
                      Master_Port: 3307
                    Connect_Retry: 60
                  Master_Log_File: mysql-bin.000001
              Read_Master_Log_Pos: 4
                   Relay_Log_File: relay-bin.000001
                    Relay_Log_Pos: 4
            Relay_Master_Log_File: mysql-bin.000001
                 Slave_IO_Running: No
                Slave_SQL_Running: Yes
                  Replicate_Do_DB: 
              Replicate_Ignore_DB: mysql
               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: 4
                  Relay_Log_Space: 107
                  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: 3
    1 row in set (0.00 sec)

解决办法

登陆master端做以下操作，并记录File\_zize对应的值107

登陆slave端做一下操作，master\_log\_pos的值设置为107

mysql> stop slave;
    Query OK, 0 rows affected (0.00 sec)
    mysql> change master to master_log_pos=107;
    Query OK, 0 rows affected (0.11 sec)
    mysql> start slave;
    Query OK, 0 rows affected (0.00 sec)
    mysql> show slave status\G
    *************************** 1. row ***************************
                   Slave_IO_State: Waiting for master to send event
                      Master_Host: 10.0.0.20
                      Master_User: rep
                      Master_Port: 3307
                    Connect_Retry: 60
                  Master_Log_File: mysql-bin.000001
              Read_Master_Log_Pos: 107
                   Relay_Log_File: relay-bin.000002
                    Relay_Log_Pos: 253
            Relay_Master_Log_File: mysql-bin.000001
                 Slave_IO_Running: Yes
                Slave_SQL_Running: Yes
                  Replicate_Do_DB: 
              Replicate_Ignore_DB: mysql
               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: 403
                  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: 3
    1 row in set (0.00 sec)

最后主从同步恢复了正常^\_^

转载于:https://blog.51cto.com/wn2100/1954164