include/master-slave.inc [connection master] connection slave; create table t1 (n int); reset master; include/stop_slave.inc change master to master_port=SLAVE_PORT; Slave_IO_Running = 'No' Slave_SQL_Running = 'No' Last_SQL_Errno = '0' Last_SQL_Error = '' Exec_Master_Log_Pos = '0' start slave; insert into t1 values (1); include/wait_for_slave_param.inc [Last_IO_Errno] Last_IO_Errno = '1593' Last_IO_Error = 'Fatal error: The slave I/O thread stops because master and slave have equal MariaDB server ids; these ids must be different for replication to work (or the --replicate-same-server-id option must be used on slave but this does not always make sense; please check the manual before using it).' include/stop_slave_sql.inc reset slave; reset master; drop table t1;