- Lab
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Libraries: If you want this lab, consider one of these libraries.
- Cloud

Perform Maintenance on the Members of a MongoDB Replica Set
In this lab, students are asked to perform a maintenance task on each member of a MongoDB replica set. After completing this lab, students will have hands-on experience removing members from a replica set in order to perform maintenance tasks.

Lab Info
Table of Contents
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Challenge
Determine Secondary Replica Members
Connect to any member of the replica set using mongosh and check the replica set status.
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Challenge
Perform Maintenance on Each Secondary Member
Connect to each secondary member, and perform the following:
- Stop the secondary and restart as standalone instance.
- Run the
maintenance.js
script. - Once tasks are complete, stop standalone instance and rejoin replica set.
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Challenge
Perform Maintenance on Primary Member
Connect to primary member and step down as primary. Once a new primary is elected (check
rs.status()
), proceed with the same steps as other secondary members.
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