MySQL主从复制报错及解决方法
mysql> show slave status \G *************************** 1. row *************************** Slave_IO_State: Master_Host: 192.168.33.110 Master_User: slave Master_Port: 3306 Connect_Retry: 60 Master_Log_File: mysql-bin000001 Read_Master_Log_Pos: 315 Relay_Log_File: localhost-relay-bin.000003 Relay_Log_Pos: 4 Relay_Master_Log_File: mysql-bin000001 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: 315 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: 111 Master_UUID: 39a19e0a-7957-11e6-aa19-0800272020f4 Master_Info_File: /Data/data/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: 161213 07:06:57 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) 解决办法: mysql> change master to master_log_file='mysql-bin.000001',master_log_pos=315; Query OK, 0 rows affected (0.01 sec) 报错: Fatal error: The slave I/O thread stops because master and slave have equal MySQL server UUIDs; these UUIDs must be different for replication to work. 解决办法: Mysql/data目录,把auto.cnf文件也拷贝过来了,里面记录了数据库的uuid,每个库的uuid应该是不一样的。 [auto] server-uuid=39a19e0a-7957-11e6-aa19-0800272020f5