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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.
Table of Contents
Disable the Cluster Balancer Process
mongoshto the mongos query router running on 10.0.0.101:27017 and disable the balancer process.
Create a Full Copy of Config Instance
Connect to the config server via SSH and make a full backup of the data set.
Re-enable the Balancer
mongoshto the mongos query router running on 10.0.0.101:27017 and re-enable the balancer process.
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.