stop slave; drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9; reset master; reset slave; drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9; start slave; grant replication slave on *.* to rpl@127.0.0.1 identified by 'rpl'; stop slave; change master to master_user='rpl',master_password='rpl'; start slave; drop table if exists t1; create table t1 (n int); insert into t1 values (1); select * from t1; n 1 delete from mysql.user where user='rpl'; flush privileges; stop slave; start slave; show slave status; Slave_IO_State Connecting to master Master_Host 127.0.0.1 Master_User rpl Master_Port MASTER_MYPORT Connect_Retry 1 Master_Log_File master-bin.000001 Read_Master_Log_Pos 357 Relay_Log_File slave-relay-bin.000001 Relay_Log_Pos 401 Relay_Master_Log_File master-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 357 Relay_Log_Space 401 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