The first step in setting up a regular backup process is setting up a repository for storing snapshots. There are different places where we could store snapshots:

• A shared filesystem
• Cloud or distributed filesystems (S3, Azure, GCS, or HDFS)

Depending upon where the Elasticsearch cluster is deployed, and which storage options are available, you may want to set up the repository for your snapshots in a certain way.

Let's first understand how you would do this in the simplest of scenarios, when you want to store it in a shared filesystem directory.