#The site wide list of mongodb servers [mongo_servers] hadoop1 hadoop2 hadoop3 hadoop4 #The list of servers where replication should happen, by default include all servers [replication_servers] hadoop1 hadoop2 hadoop3 hadoop4 #The list of mongodb configuration servers, make sure it is 1 or 3 [mongoc_servers] hadoop1 hadoop2 hadoop3 #The list of servers where mongos servers would run. [mongos_servers] hadoop1 hadoop2