mysql主库磁盘空间爆满导致从库错误
时间：2021-07-01 10:21:17
帮助过：35人阅读
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: 12362020-06-30 19:21:03 2901 [Note] Slave I/O thread exiting, read up to log ‘binlog.000081‘, position 1023205366mysql> 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: 0Master_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: 01 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
mysql主库磁盘空间爆满导致从库错误
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