New in version 3.0.0.

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Returns a document that describes the current configuration of the replica set. To invoke the command directly, use the following operation:

db.runCommand( { replSetGetConfig: 1 } );

In the mongo shell, you can access the data provided by replSetGetConfig using the rs.conf() method, as in the following:


Output Example

The following document provides a representation of a replica set configuration document. The configuration of your replica set may include only a subset of these settings:

  _id: <string>,
  version: <int>,
  protocolVersion: <number>,
  writeConcernMajorityJournalDefault: <boolean>,
  configsvr: <boolean>,
  members: [
      _id: <int>,
      host: <string>,
      arbiterOnly: <boolean>,
      buildIndexes: <boolean>,
      hidden: <boolean>,
      priority: <number>,
      tags: <document>,
      slaveDelay: <int>,
      votes: <number>
  settings: {
    chainingAllowed : <boolean>,
    heartbeatIntervalMillis : <int>,
    heartbeatTimeoutSecs: <int>,
    electionTimeoutMillis : <int>,
    catchUpTimeoutMillis : <int>,
    getLastErrorModes : <document>,
    getLastErrorDefaults : <document>,
    replicaSetId: <ObjectId>

For description of the configuration settings, see Replica Set Configuration.