!include my.cnf [mysqld.1] log-slave-updates loose-innodb binlog-format=mixed [mysqld.2] log-slave-updates loose-innodb binlog-format=mixed [mysqld.3] log-bin=server3-bin log-slave-updates loose-innodb binlog-format=mixed [mysqld.4] server-id=4 log-bin=server4-bin log-slave-updates loose-innodb binlog-format=mixed [ENV] SERVER_MYPORT_4= @mysqld.4.port SERVER_MYSOCK_4= @mysqld.4.socket