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Convert a MongoDB Replica Set to a MongoDB Sharded Cluster

In this lab, you are asked to convert a MongoDB replica set into a sharded cluster. After completing this lab, you will have hands-on experience configuring a MongoDB sharded cluster, as this relates to a replica set.

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Lab Info
Level
Intermediate
Last updated
Sep 05, 2025
Duration
45m

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Table of Contents
  1. Challenge

    Create a Config Server Replica Set (CSRS)

    Configure the host at 10.0.0.104 as the config server replica set (CSRS) listening on port 27019.

  2. Challenge

    Convert the Replica Set to a Shard

    Configure each secondary replica set member as a shardsvr. Once all secondaries are done, step down the current primary and configure it as before.

  3. Challenge

    Start the `mongos` Query Router

    Start the mongos query router on lab host 10.0.0.104, and add our newly created shard to it.

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