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This tutorial guides you through making the best use of the Elasticsearch snapshot module for creating cluster snapshots. It leverages the Azure blob storage for securely storing your backed up data. To follow this tutorial comprehensively you'd need to have an azure subscription, you can sign up for a free trial here. To start taking snapshots we need to first register a snapshot repository within our elasticsearch cluster, this repository defines where Elasticsearch should store snapshots taken, learn more about it here. The snapshot API also comes in handy for migrating data from one cluster to another.