As you might expect, Barman does not just create backups, it can also restore them. This functionality can be used to restore the current server, but its real power lies in its ability to restore data remotely. With this capability and a little bit of preparation, we can clone a PostgreSQL backup any number of times without straining the primary database server.
In this recipe, we will explore Barman's recovery aptitude and the steps necessary to start a PostgreSQL server cloned by Barman.
This recipe depends on Barman being installed on a backup server and at least one backup registered in the backup catalog. Please follow the Installing and configuring Barman and Backing up a database with Barman recipes before continuing.