即使重新启动后，节点也会在恢复模式下记录：
2018-04-24T12:37:52.915+0530 I REPL [replication-0] We are too stale to use J-DB-02:27017 as a sync source. Blacklisting this sync source because our last fetched timestamp: 5ade01e0:66 is before their earliest timestamp: 5aded094:198 for 1min until: 2018-04-24T12:38:52.915+0530 2018-04-24T12:37:52.916+0530 I REPL [replication-0] could not find member to sync from 2018-04-24T12:37:52.916+0530 E REPL [rsBackgroundSync] too stale to catch up -- entering maintenance mode 2018-04-24T12:37:52.916+0530 I REPL [rsBackgroundSync] Our newest OpTime : { ts: Timestamp 1524498912000|102, t: 68 } 2018-04-24T12:37:52.916+0530 I REPL [rsBackgroundSync] Earliest …mongodb ×1