Sharded Cluster , with 2 shards , each with 4 node replica set

shards:

{ "_id" : "rset001", "host" : "rset001/pnjctgmongo01:27101,pnjctgmongo02:27102,pwbctgmongo01:27103,pwbctgmongo02:27104" } { "_id" : "rset002", "host" : "rset002/pnjctgmongo03:27201,pnjctgmongo04:27202,pwbctgmongo03:27203,pwbctgmongo04:27204" }