configsvr> db.shards.find()
{  "_id" : "repset_1",  "host" : "repset_1/11.x.x.1:27017,11.x.x.2:27017" }
{  "_id" : "repset_2",  "host" : "repset_2/11.x.x.3:27017,11.x.x.4:27017" }
{  "_id" : "repset_3",  "host" : "repset_3/11.x.x.5:27017,11.x.x.6:27017" }