gistfile1.txt

mongos> db.testData.getShardDistribution()

Shard west1 at west1/ec2-52-53-243-185.us-west-1.compute.amazonaws.com:27017,ec2-54-153-95-198.us-west-1.compute.amazonaws.com:27017,ip-172-31-28-205:27017
 data : 9.42MiB docs : 205846 chunks : 3
 estimated data per chunk : 3.14MiB
 estimated docs per chunk : 68615

Totals
 data : 9.42MiB docs : 205846 chunks : 3
 Shard west1 contains 100% data, 100% docs in cluster, avg obj size on shard : 48B


mongos> sh.status()
--- Sharding Status --- 
  sharding version: {
	"_id" : 1,
	"minCompatibleVersion" : 5,
	"currentVersion" : 6,
	"clusterId" : ObjectId("5713c23c28b7146220118d0a")
}
  shards:
	{  "_id" : "west1",  "host" : "west1/ec2-52-53-243-185.us-west-1.compute.amazonaws.com:27017,ec2-54-153-95-198.us-west-1.compute.amazonaws.com:27017,ip-172-31-28-205:27017" }
	{  "_id" : "west2",  "host" : "west2/ec2-54-186-125-103.us-west-2.compute.amazonaws.com:27017,ec2-54-200-15-235.us-west-2.compute.amazonaws.com:27017,ip-172-31-17-143:27017" }
  balancer:
	Currently enabled:  yes
	Currently running:  yes
		Balancer lock taken at Tue Apr 19 2016 14:36:00 GMT+0000 (UTC) by ip-172-31-28-205:27018:1461037929:1804289383:Balancer:846930886
	Collections with active migrations: 
		testdb.restaurants started at Tue Apr 19 2016 14:36:00 GMT+0000 (UTC)
	Failed balancer rounds in last 5 attempts:  0
	Migration Results for the last 24 hours: 
		2 : Failed with error 'migration already in progress', from west1 to west2
		77 : Failed with error 'moveChunk could not contact to: shard west2 to start transfer :: caused by :: 10009 ReplicaSetMonitor no master found for set: west2', from west1 to west2
		1 : Failed with error 'could not acquire collection lock for testdb.restaurants to migrate chunk [{ : MinKey },{ : MaxKey }) :: caused by :: Lock for migrating chunk [{ : MinKey }, { : MaxKey }) in testdb.restaurants is taken.', from west1 to west2
  databases:
	{  "_id" : "admin",  "partitioned" : false,  "primary" : "config" }
	{  "_id" : "temp",  "partitioned" : true,  "primary" : "west1" }
	{  "_id" : "test",  "partitioned" : false,  "primary" : "west1" }
	{  "_id" : "testdb",  "partitioned" : true,  "primary" : "west1" }
		testdb.restaurants
			shard key: { "_id" : 1 }
			chunks:
				west1	6
			{ "_id" : { "$minKey" : 1 } } -->> { "_id" : ObjectId("57163efe5895fd10a3e92c8c") } on : west1 Timestamp(1, 1) 
			{ "_id" : ObjectId("57163efe5895fd10a3e92c8c") } -->> { "_id" : ObjectId("57163efe5895fd10a3e92f72") } on : west1 Timestamp(1, 2) 
			{ "_id" : ObjectId("57163efe5895fd10a3e92f72") } -->> { "_id" : ObjectId("57163efe5895fd10a3e930e6") } on : west1 Timestamp(1, 3) 
			{ "_id" : ObjectId("57163efe5895fd10a3e930e6") } -->> { "_id" : ObjectId("57163efe5895fd10a3e9325a") } on : west1 Timestamp(1, 4) 
			{ "_id" : ObjectId("57163efe5895fd10a3e9325a") } -->> { "_id" : ObjectId("57163efe5895fd10a3e933ce") } on : west1 Timestamp(1, 5) 
			{ "_id" : ObjectId("57163efe5895fd10a3e933ce") } -->> { "_id" : { "$maxKey" : 1 } } on : west1 Timestamp(1, 6) 
		testdb.testData
			shard key: { "x" : 1 }
			chunks:
				west1	3
			{ "x" : { "$minKey" : 1 } } -->> { "x" : 2 } on : west1 Timestamp(1, 1) 
			{ "x" : 2 } -->> { "x" : 22 } on : west1 Timestamp(1, 2) 
			{ "x" : 22 } -->> { "x" : { "$maxKey" : 1 } } on : west1 Timestamp(1, 3) 

mongos>