[mysqld]

binlog-do-db = databasename1

binlog-do-db = databasename2

binlog-do-db = databasename3

……

且不可写成binlog-do-db = databasename1，databasename2，databasename3

mysql会把databasename1，databasename2，databasename3，而且在show slave status\G;显示时不会报错，排错很麻烦的。

mysql主从数据库设置备忘