With auth (fails): $ mlaunch init --sharded 2 --replicaset --nodes 2 --arbiter --smallfiles --oplogSize 10 --binarypath /m/2.6.11/bin --port 24205 --auth launching: /m/2.6.11/bin/mongod on port 24206 launching: /m/2.6.11/bin/mongod on port 24207 launching: /m/2.6.11/bin/mongod on port 24208 launching: /m/2.6.11/bin/mongod on port 24209 launching: /m/2.6.11/bin/mongod on port 24210 launching: /m/2.6.11/bin/mongod on port 24211 launching: config server on port 24212 replica set 'shard01' initialized. replica set 'shard02' initialized. launching: /m/2.6.11/bin/mongos on port 24205 adding shards. can take up to 30 seconds... 8 nodes stopped. launching: /m/2.6.11/bin/mongod on port 24206 launching: /m/2.6.11/bin/mongod on port 24207 launching: /m/2.6.11/bin/mongod on port 24208 launching: /m/2.6.11/bin/mongod on port 24209 launching: /m/2.6.11/bin/mongod on port 24210 launching: /m/2.6.11/bin/mongod on port 24211 launching: config server on port 24212 launching: /m/2.6.11/bin/mongos on port 24205 $ /m/3.0.6/bin/mongo --port 24205 -u user -p password --authenticationDatabase admin --eval 'printjson(db.test.insert({}))' MongoDB shell version: 3.0.6 connecting to: 127.0.0.1:24205/test { "nInserted" : 1 } $ /m/3.0.6/bin/mongo --port 24205 -u user -p password --authenticationDatabase admin --eval 'printjson(db.test.ensureIndex({a:1}))' MongoDB shell version: 3.0.6 connecting to: 127.0.0.1:24205/test { "raw" : { "shard01/genique:24206,genique:24207" : { "createdCollectionAutomatically" : false, "numIndexesBefore" : 1, "numIndexesAfter" : 2, "ok" : 1, "$gleStats" : { "lastOpTime" : Timestamp(1442426511, 1), "electionId" : ObjectId("55f9ac98c9c1eb9b892a11eb") } } }, "ok" : 1 } $ /m/3.0.6/bin/mongo --port 24205 -u user -p password --authenticationDatabase admin --eval 'printjson(sh.stopBalancer())' MongoDB shell version: 3.0.6 connecting to: 127.0.0.1:24205/test Waiting for active hosts... Waiting for the balancer lock... Waiting again for active hosts after balancer is off... undefined $ mlaunch stop mongos 1 node stopped. $ mlaunch start mongos --binarypath /m/3.0.6/bin --upgrade launching: /m/3.0.6/bin/mongos on port 24205 $ mlaunch start mongos --binarypath /m/3.0.6/bin launching: /m/3.0.6/bin/mongos on port 24205 **** $ /m/3.0.6/bin/mongo --port 24205 -u user -p password --authenticationDatabase admin --eval 'printjson(db.runCommand({listIndexes:"test"}))' **** MongoDB shell version: 3.0.6 **** connecting to: 127.0.0.1:24205/test **** { **** "ok" : 0, **** "errmsg" : "not authorized on test to execute command { listIndexes: \"test\" }", **** "code" : 13 **** } $ /m/3.0.6/bin/mongo --port 24206 -u user -p password --authenticationDatabase admin --eval 'printjson(db.runCommand({listIndexes:"test"}))' MongoDB shell version: 3.0.6 connecting to: 127.0.0.1:24206/test { "ok" : 0, "errmsg" : "no such cmd: listIndexes", "code" : 59, "bad cmd" : { "listIndexes" : "test" } } $ /m/3.0.6/bin/mongo --port 24205 -u user -p password --authenticationDatabase admin --eval 'printjson(db.system.indexes.find().toArray())' MongoDB shell version: 3.0.6 connecting to: 127.0.0.1:24205/test [ { "v" : 1, "key" : { "_id" : 1 }, "name" : "_id_", "ns" : "test.test" }, { "v" : 1, "key" : { "a" : 1 }, "name" : "a_1", "ns" : "test.test" } ] $ /m/3.0.6/bin/mongo --port 24206 -u user -p password --authenticationDatabase admin --eval 'printjson(db.system.indexes.find().toArray())' MongoDB shell version: 3.0.6 connecting to: 127.0.0.1:24206/test [ { "v" : 1, "key" : { "_id" : 1 }, "name" : "_id_", "ns" : "test.test" }, { "v" : 1, "key" : { "a" : 1 }, "name" : "a_1", "ns" : "test.test" } ] $ mlaunch stop 8 nodes stopped. $ mlaunch start --binarypath /m/3.0.6/bin launching: /m/3.0.6/bin/mongod on port 24206 launching: /m/3.0.6/bin/mongod on port 24207 launching: /m/3.0.6/bin/mongod on port 24208 launching: /m/3.0.6/bin/mongod on port 24209 launching: /m/3.0.6/bin/mongod on port 24210 launching: /m/3.0.6/bin/mongod on port 24211 launching: config server on port 24212 launching: /m/3.0.6/bin/mongos on port 24205 $ /m/3.0.6/bin/mongo --port 24205 -u user -p password --authenticationDatabase admin --eval 'printjson(db.runCommand({listIndexes:"test"}))' MongoDB shell version: 3.0.6 connecting to: 127.0.0.1:24205/test { "cursor" : { "id" : NumberLong(0), "ns" : "test.$cmd.listIndexes.test", "firstBatch" : [ { "v" : 1, "key" : { "_id" : 1 }, "name" : "_id_", "ns" : "test.test" }, { "v" : 1, "key" : { "a" : 1 }, "name" : "a_1", "ns" : "test.test" } ] }, "ok" : 1, "$gleStats" : { "lastOpTime" : Timestamp(0, 0), "electionId" : ObjectId("55faf4ec6f07922dc310b0fd") } } Without auth (succeeds): $ mlaunch kill sent signal 15 to 8 processes. $ rm -rf data $ mlaunch init --sharded 2 --replicaset --nodes 2 --arbiter --smallfiles --oplogSize 10 --binarypath /m/2.6.11/bin --port 24205 launching: /m/2.6.11/bin/mongod on port 24206 launching: /m/2.6.11/bin/mongod on port 24207 launching: /m/2.6.11/bin/mongod on port 24208 launching: /m/2.6.11/bin/mongod on port 24209 launching: /m/2.6.11/bin/mongod on port 24210 launching: /m/2.6.11/bin/mongod on port 24211 launching: config server on port 24212 replica set 'shard01' initialized. replica set 'shard02' initialized. launching: /m/2.6.11/bin/mongos on port 24205 adding shards. can take up to 30 seconds... $ /m/3.0.6/bin/mongo --port 24205 --eval 'printjson(db.test.insert({}))' MongoDB shell version: 3.0.6 connecting to: 127.0.0.1:24205/test { "nInserted" : 1 } $ /m/3.0.6/bin/mongo --port 24205 --eval 'printjson(db.test.ensureIndex({a:1}))' MongoDB shell version: 3.0.6 connecting to: 127.0.0.1:24205/test { "raw" : { "shard01/genique:24206,genique:24207" : { "createdCollectionAutomatically" : false, "numIndexesBefore" : 1, "numIndexesAfter" : 2, "ok" : 1 } }, "ok" : 1 } $ /m/3.0.6/bin/mongo --port 24205 --eval 'printjson(sh.stopBalancer())' MongoDB shell version: 3.0.6 connecting to: 127.0.0.1:24205/test Waiting for active hosts... Waiting for the balancer lock... Waiting again for active hosts after balancer is off... undefined $ mlaunch stop mongos 1 node stopped. $ mlaunch start mongos --binarypath /m/3.0.6/bin --upgrade launching: /m/3.0.6/bin/mongos on port 24205 $ mlaunch start mongos --binarypath /m/3.0.6/bin launching: /m/3.0.6/bin/mongos on port 24205 **** $ /m/3.0.6/bin/mongo --port 24205 --eval 'printjson(db.runCommand({listIndexes:"test"}))' **** MongoDB shell version: 3.0.6 **** connecting to: 127.0.0.1:24205/test **** { **** "cursor" : { **** "id" : NumberLong(0), **** "ns" : "test.system.indexes", **** "firstBatch" : [ **** { **** "v" : 1, **** "key" : { **** "_id" : 1 **** }, **** "name" : "_id_", **** "ns" : "test.test" **** }, **** { **** "v" : 1, **** "key" : { **** "a" : 1 **** }, **** "name" : "a_1", **** "ns" : "test.test" **** } **** ] **** }, **** "ok" : 1, **** "$gleStats" : { **** "lastOpTime" : Timestamp(0, 0), **** "electionId" : ObjectId("55faf27148eb9e505441391c") **** } **** } $ /m/3.0.6/bin/mongo --port 24206 --eval 'printjson(db.runCommand({listIndexes:"test"}))' MongoDB shell version: 3.0.6 connecting to: 127.0.0.1:24206/test { "ok" : 0, "errmsg" : "no such cmd: listIndexes", "code" : 59, "bad cmd" : { "listIndexes" : "test" } } $ /m/3.0.6/bin/mongo --port 24206 --eval 'printjson(db.system.indexes.find().toArray())' MongoDB shell version: 3.0.6 connecting to: 127.0.0.1:24206/test [ { "v" : 1, "key" : { "_id" : 1 }, "name" : "_id_", "ns" : "test.test" }, { "v" : 1, "key" : { "a" : 1 }, "name" : "a_1", "ns" : "test.test" } ] $ /m/3.0.6/bin/mongo --port 24205 --eval 'printjson(db.system.indexes.find().toArray())' MongoDB shell version: 3.0.6 connecting to: 127.0.0.1:24205/test [ { "v" : 1, "key" : { "_id" : 1 }, "name" : "_id_", "ns" : "test.test" }, { "v" : 1, "key" : { "a" : 1 }, "name" : "a_1", "ns" : "test.test" } ]