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  • mysql主库磁盘空间爆满导致从库错误

    2020-06-30 19:21:03 2901 [ERROR] Error reading packet from server: binlog truncated in the middle of event; consider out of disk space on master; the first event 'binlog.000081' at 1023205244, the last event read from '/home/mysql/binlog/binlog.000081' at 1023205366, the last byte read from '/home/mysql/binlog/binlog.000081' at 1023205376. (server_errno=1236)
    2020-06-30 19:21:03 2901 [ERROR] Slave I/O: Got fatal error 1236 from master when reading data from binary log: 'binlog truncated in the middle of event; consider out of disk space on master; the first event 'binlog.000081' at 1023205244, the last event read from '/home/mysql/binlog/binlog.000081' at 1023205366, the last byte read from '/home/mysql/binlog/binlog.000081' at 1023205376.', Error_code: 1236
    2020-06-30 19:21:03 2901 [Note] Slave I/O thread exiting, read up to log 'binlog.000081', position 1023205366


    mysql> show slave status G;
    *************************** 1. row ***************************
                   Slave_IO_State:
                      Master_Host: 192.168.1.22
                      Master_User: repl
                      Master_Port: 3306
                    Connect_Retry: 60
                  Master_Log_File: binlog.000081
              Read_Master_Log_Pos: 1023205366
                   Relay_Log_File: relay-bin.000003
                    Relay_Log_Pos: 351
            Relay_Master_Log_File: binlog.000081
                 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: 1023205244
                  Relay_Log_Space: 9209366
                  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: 1236
                    Last_IO_Error: Got fatal error 1236 from master when reading data from binary log: 'binlog truncated in the middle of event; consider out of disk space on master; the first event 'binlog.000081' at 1023205244, the last event read from '/home/mysql/binlog/binlog.000081' at 1023205366, the last byte read from '/home/mysql/binlog/binlog.000081' at 1023205376.'
                   Last_SQL_Errno: 0
                   Last_SQL_Error:
      Replicate_Ignore_Server_Ids:
                 Master_Server_Id: 1
                      Master_UUID: c95fcd3a-98ae-11e5-b124-5820b106a87c
                 Master_Info_File: /home/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: 200630 19:21:03
         Last_SQL_Error_Timestamp:
                   Master_SSL_Crl:
               Master_SSL_Crlpath:
               Retrieved_Gtid_Set: c95fcd3a-98ae-11e5-b124-5820b106a87c:26482192-26487092
                Executed_Gtid_Set: c95fcd3a-98ae-11e5-b124-5820b106a87c:1-26487091
                    Auto_Position: 0
    1 row in set (0.00 sec)


    ##执行如下语句发现还是报如上的错误
    stop slave;
    change master to master_host='192.168.1.22',master_port=3306,master_user='repl',master_password='repl',master_log_file='binlog.000081',master_log_pos=1023205366;
    start slave;

    ##查看该pos之后的内容

    [root@dev-env-22 data]# mysqlbinlog --no-defaults --start-position=1023205366 /home/mysql/binlog/binlog.000081
    /*!50530 SET @@SESSION.PSEUDO_SLAVE_MODE=1*/;
    /*!40019 SET @@session.max_insert_delayed_threads=0*/;
    /*!50003 SET @OLD_COMPLETION_TYPE=@@COMPLETION_TYPE,COMPLETION_TYPE=0*/;
    DELIMITER /*!*/;
    # at 4
    #200609 12:41:42 server id 1  end_log_pos 120 CRC32 0x631df7f9  Start: binlog v 4, server v 5.6.27-log created 200609 12:41:42
    BINLOG '
    BhPfXg8BAAAAdAAAAHgAAAAAAAQANS42LjI3LWxvZwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
    AAAAAAAAAAAAAAAAAAAAAAAAEzgNAAgAEgAEBAQEEgAAXAAEGggAAAAICAgCAAAACgoKGRkAAfn3
    HWM=
    '/*!*/;
    ERROR: Could not read entry at offset 1023205366: Error in log format or read error.
    DELIMITER ;
    # End of log file
    ROLLBACK /* added by mysqlbinlog */;
    /*!50003 SET COMPLETION_TYPE=@OLD_COMPLETION_TYPE*/;
    /*!50530 SET @@SESSION.PSEUDO_SLAVE_MODE=0*/;

     

    从下一个日志开始
    stop slave;
    change master to master_host='192.168.1.22',master_port=3306,master_user='repl',master_password='repl',master_log_file='binlog.000082',master_log_pos=0;
    start slave;

    master_log_pos=0 ##系统会自动匹配pos位置

    mysqlbinlog --no-defaults --start-position=1023205366 /home/mysql/binlog/binlog.000081

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  • 原文地址:https://www.cnblogs.com/hxlasky/p/13215660.html
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