Slave_IO_Running: No 解决方法

mysql> show slave status\G;*************************** 1. row ***************************               Slave_IO_State:                   Master_Host: 192.168.70.132                  Master_User: zty                  Master_Port: 3306                Connect_Retry: 60              Master_Log_File: mysql-bin.000001          Read_Master_Log_Pos: 837               Relay_Log_File: mysql-relay-bin.000001                Relay_Log_Pos: 4        Relay_Master_Log_File: mysql-bin.000001             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: 837              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: NULLMaster_SSL_Verify_Server_Cert: No                Last_IO_Errno: 1593                Last_IO_Error: 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.               Last_SQL_Errno: 0               Last_SQL_Error:   Replicate_Ignore_Server_Ids:              Master_Server_Id: 1                  Master_UUID:              Master_Info_File: /usr/local/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: 170927 14:35:51     Last_SQL_Error_Timestamp:                Master_SSL_Crl:            Master_SSL_Crlpath:            Retrieved_Gtid_Set:             Executed_Gtid_Set:                 Auto_Position: 0

报错信息为：The slave I/O thread stops because master and slave have equal MySQL server UUIDs; these UUIDs must be different for replication to work.

主从两台数据库的UUID相同了，即data目录下的 auto.cnf 中的 server-uuid值相同了找个字母随便改一下就行 比如把 9改成8 ,重启数据库

重新开启slave

mysql> start slave;Query OK, 0 rows affected, 1 warning (0.00 sec)mysql> show slave status\G;*************************** 1. row ***************************               Slave_IO_State: Waiting for master to send event                  Master_Host: 192.168.70.132                  Master_User: zty                  Master_Port: 3306                Connect_Retry: 60              Master_Log_File: mysql-bin.000001          Read_Master_Log_Pos: 837               Relay_Log_File: mysql-relay-bin.000004                Relay_Log_Pos: 283        Relay_Master_Log_File: mysql-bin.000001             Slave_IO_Running: Yes            Slave_SQL_Running: Yes              Replicate_Do_DB: ...