db.printReplicationInfo()
configured oplog size: 3986.7619140625MB
log length start to end: 3711374secs (1030.94hrs)
oplog first event time: Fri Aug 17 2012 11:51:08 GMT+0800 (CST)
oplog last event time: Sat Sep 29 2012 10:47:22 GMT+0800 (CST)
now: Fri May 22 2015 09:07:04 GMT+0800 (CST)
db.printSlaveReplicationInfo()
Fri May 22 09:07:13 TypeError: status.members has no properties shell/db.js:751