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MySQL主从复制报错:Got fatal error 1236 from master when reading data from

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Got fatal error 1236 from master when reading data from binary log: ‘Could not find first log file name in binary log index file’

备库检查报错:

(root@localhost) [sys]> show slave status \G;
*************************** 1. row ***************************
               Slave_IO_State: 
                  Master_Host: 127.0.0.1
                  Master_User: repl
                  Master_Port: 3316
                Connect_Retry: 60
              Master_Log_File: rhel6lhr-bin.000003
          Read_Master_Log_Pos: 154
               Relay_Log_File: rhel6lhr-relay-bin.000001
                Relay_Log_Pos: 4
        Relay_Master_Log_File: rhel6lhr-bin.000003
             Slave_IO_Running: No
            Slave_SQL_Running: No
              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: 154
              Relay_Log_Space: 154
              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: 57193316
                  Master_UUID: 1dc4b050-ac4d-11e9-ab99-000c29d51a2a
             Master_Info_File: /usr/local/mysql57/mysql5719/data57193317/master.info
                    SQL_Delay: 0
          SQL_Remaining_Delay: NULL
      Slave_SQL_Running_State: 
           Master_Retry_Count: 86400
                  Master_Bind: 
      Last_IO_Error_Timestamp: 190722 15:06:09
     Last_SQL_Error_Timestamp: 
               Master_SSL_Crl: 
           Master_SSL_Crlpath: 
           Retrieved_Gtid_Set: 
            Executed_Gtid_Set: 
                Auto_Position: 0
         Replicate_Rewrite_DB: 
                 Channel_Name: 
           Master_TLS_Version:

解决:

在 source 那边,执行:

flush logs;
show master status;File

在 target 端,执行:

stop slave ;
CHANGE MASTER TO MASTER_LOG_FILE='testdbbinlog.000008',MASTER_LOG_POS=107;
start slave ;
show slave status \G

一切正常。

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