config.rs0:PRIMARY> rs.status()
{
        "set" : "config.rs0",
        "date" : ISODate("2017-02-08T10:26:45.764Z"),
        "myState" : 1,
        "term" : NumberLong(25),
        "configsvr" : true,
        "heartbeatIntervalMillis" : NumberLong(2000),
        "members" : [
                {
                        "_id" : 3,
                        "name" : "config2:27019",
                        "health" : 1,
                        "state" : 2,
                        "stateStr" : "SECONDARY",
                        "uptime" : 83006,
                        "optime" : {
                                "ts" : Timestamp(1486549602, 2),
                                "t" : NumberLong(25)
                        },
                        "optimeDate" : ISODate("2017-02-08T10:26:42Z"),
                        "lastHeartbeat" : ISODate("2017-02-08T10:26:44.085Z"),
                        "lastHeartbeatRecv" : ISODate("2017-02-08T10:26:44.085Z"),
                        "pingMs" : NumberLong(0),
                        "syncingTo" : "config1:27019",
                        "configVersion" : 14
                },
                {
                        "_id" : 4,
                        "name" : "config1:27019",
                        "health" : 1,
                        "state" : 1,
                        "stateStr" : "PRIMARY",
                        "uptime" : 83007,
                        "optime" : {
                                "ts" : Timestamp(1486549605, 5),
                                "t" : NumberLong(25)
                        },
                        "optimeDate" : ISODate("2017-02-08T10:26:45Z"),
                        "electionTime" : Timestamp(1486467112, 1),
                        "electionDate" : ISODate("2017-02-07T11:31:52Z"),
                        "configVersion" : 14,
                        "self" : true
                },
                {
                        "_id" : 5,
                        "name" : "config3:27019",
                        "health" : 1,
                        "state" : 2,
                        "stateStr" : "SECONDARY",
                        "uptime" : 83004,
                        "optime" : {
                                "ts" : Timestamp(1486549602, 2),
                                "t" : NumberLong(25)
                        },
                        "optimeDate" : ISODate("2017-02-08T10:26:42Z"),
                        "lastHeartbeat" : ISODate("2017-02-08T10:26:43.716Z"),
                        "lastHeartbeatRecv" : ISODate("2017-02-08T10:26:43.716Z"),
                        "pingMs" : NumberLong(191),
                        "syncingTo" : "config1:27019",
                        "configVersion" : 14
                }
        ],
        "ok" : 1
}
config.rs0:PRIMARY> db.printReplicationInfo()
configured oplog size:   50000MB
log length start to end: 1897698secs (527.14hrs)
oplog first event time:  Tue Jan 17 2017 11:18:31 GMT+0000 (UTC)
oplog last event time:   Wed Feb 08 2017 10:26:49 GMT+0000 (UTC)
now:                     Wed Feb 08 2017 10:26:49 GMT+0000 (UTC)



[{u'uptime': 82915, u'configVersion': 15, u'optime': {u'ts': Timestamp(1486466820, 2), u't': 25L}, u'name': u'config2:27017', u'pingMs': 0L, u'optimeDate': datetime.datetime(2017, 2, 7, 11, 27), u'state': 2, u'health': 1.0, u'stateStr': u'SECONDARY', u'lastHeartbeatRecv': datetime.datetime(2017, 2, 8, 10, 26, 54, 88000), u'_id': 3, u'lastHeartbeat': datetime.datetime(2017, 2, 8, 10, 26, 53, 353000)}, {u'uptime': 82917, u'configVersion': 15, u'optime': {u'ts': Timestamp(1486466820, 2), u't': 25L}, u'name': u'config1:27017', u'self': True, u'optimeDate': datetime.datetime(2017, 2, 7, 11, 27), u'electionTime': Timestamp(1486466820, 1), u'state': 1, u'health': 1.0, u'stateStr': u'PRIMARY', u'_id': 4, u'electionDate': datetime.datetime(2017, 2, 7, 11, 27)}, {u'uptime': 82914, u'configVersion': 15, u'optime': {u'ts': Timestamp(1486466820, 2), u't': 25L}, u'name': u'config3:27017', u'pingMs': 190L, u'optimeDate': datetime.datetime(2017, 2, 7, 11, 27), u'syncingTo': u'config1:27017', u'state': 2, u'health': 1.0, u'stateStr': u'SECONDARY', u'lastHeartbeatRecv': datetime.datetime(2017, 2, 8, 10, 26, 53, 956000), u'_id': 5, u'lastHeartbeat': datetime.datetime(2017, 2, 8, 10, 26, 54, 147000)}]