mysql从库Last_IO_Error: Got fatal error 1236 from master when reading data from binary log

系统管理员 2021-09-28 14:06 253阅读 0赞

# [mysql从库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'报错处理][mysql_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] #

回来查看mysql运行状况与备份情况，登录mysql从库查看主从同步状态

mysql> show slave status\G;
    *************************** 1. row ***************************
                   Slave_IO_State: 
                      Master_Host: 101.200.*.*
                      Master_User: backup
                      Master_Port: 3306
                    Connect_Retry: 60
                  Master_Log_File: master-bin.000113
              Read_Master_Log_Pos: 276925387
                   Relay_Log_File: mysql-relay.000001
                    Relay_Log_Pos: 4
            Relay_Master_Log_File: master-bin.000113
                 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: 276925387
                  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: 21
                      Master_UUID: e4a43da7-5b58-11e5-a12f-00163e003632
                 Master_Info_File: /home/data/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: 170204 10:48:06
         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

突然之间Slave\_IO\_Running: 状态变成NO了

解决方法。

首先在从库上执行

stop slave;

查看主库master状态

mysql> show master status\G;
    *************************** 1. row ***************************
                 File: mysql-bin.000113
             Position: 276925387
         Binlog_Do_DB: 
     Binlog_Ignore_DB: 
    Executed_Gtid_Set: 
    1 row in set (0.00 sec)
    
    ERROR: 
    No query specified
    
    mysql> flush logs;
    Query OK, 0 rows affected (0.11 sec)

刷新binlog日志

flush logs;

刷新后的日志会+1

例如上面的 File: mysql-bin.000113 会变成 File: mysql-bin.000114

再次查看master状态

mysql> show master status\G;
    *************************** 1. row ***************************
                 File: mysql-bin.000114
             Position: 120
         Binlog_Do_DB: 
     Binlog_Ignore_DB: 
    Executed_Gtid_Set: 
    1 row in set (0.00 sec)
    
    ERROR: 
    No query specified

然后就不需要在操作master，切换到从库

输入CHANGE MASTER TO MASTER\_LOG\_FILE='mysql-bin.000114',MASTER\_LOG\_POS=120;

执行start slave;

查看从库状态

mysql> show slave status\G;
    *************************** 1. row ***************************
                   Slave_IO_State: Waiting for master to send event
                      Master_Host: 101.200.*.*
                      Master_User: backup
                      Master_Port: 3306
                    Connect_Retry: 60
                  Master_Log_File: mysql-bin.000114
              Read_Master_Log_Pos: 11314
                   Relay_Log_File: mysql-relay.000002
                    Relay_Log_Pos: 11477
            Relay_Master_Log_File: mysql-bin.000114
                 Slave_IO_Running: Yes
                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: 11314
                  Relay_Log_Space: 11646
                  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: 21
                      Master_UUID: e4a43da7-5b58-11e5-a12f-00163e003632
                 Master_Info_File: /home/data/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
    1 row in set (0.00 sec)
    
    ERROR: 
    No query specified

问题得到解决。

[mysql_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]: https://www.cnblogs.com/charles1ee/p/6364448.html