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Back Up the Cluster Metadata of a MongoDB Sharded Cluster

In this lab, students are asked to back up the metadata of a MongoDB replica set. The cluster metadata includes all configuration information for the cluster, especially the mapping from chunks to shards. After completing this lab, students will have hands-on experience backing up the metadata of a MongoDB replica set.

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Path Info

Level
Clock icon Beginner
Duration
Clock icon 45m
Last updated
Clock icon Aug 19, 2025

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Table of Contents

  1. Challenge

    Disable the Cluster Balancer Process

    Connect using mongosh to the mongos query router running on 10.0.0.101:27017 and disable the balancer process.

  2. Challenge

    Create a Full Copy of Config Instance

    Connect to the config server via SSH and make a full backup of the data set.

  3. Challenge

    Re-enable the Balancer

    Connect using mongosh to the mongos query router running on 10.0.0.101:27017 and re-enable the balancer process.

Pluralsight Skills - Labs - Pluralsight
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Pluralsight Skills

Pluralsight Skills gives leaders confidence they have the skills needed to execute technology strategy. Technology teams can benchmark expertise across roles, speed up release cycles and build reliable, secure products. By leveraging our expert content, skill assessments and one-of-a-kind analytics, keep up with the pace of change, put the right people on the right projects and boost productivity. It's the most effective path to developing tech skills at scale.

What's a lab?

Hands-on Labs are real environments created by industry experts to help you learn. These environments help you gain knowledge and experience, practice without compromising your system, test without risk, destroy without fear, and let you learn from your mistakes. Hands-on Labs: practice your skills before delivering in the real world.

Provided environment for hands-on practice

We will provide the credentials and environment necessary for you to practice right within your browser.

Guided walkthrough

Follow along with the author’s guided walkthrough and build something new in your provided environment!

Did you know?

On average, you retain 75% more of your learning if you get time for practice.
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