Provides a formatted report of the status of a replica set from the perspective of the primary set member. See the “副本集状态参考” for more information regarding the contents of this output.
This function will return db.printSlaveReplicationInfo() if issued against a secondary set member.
注解
The db.printReplicationInfo() in the mongo shell does not return JSON. Use db.printReplicationInfo() for manual inspection, and rs.status() in scripts.