There are several ways to back up PostgreSQL databases, via dumps, file system-level backups, or continuous archiving. Each method has its own advantages and use cases.
As a starting point, we strongly encourage you to read the official PostgreSQL documentation on Backup and Restore.
Then, follow the appropriate guide below for more specific instructions to manage PostgreSQL backups with Plakar.
Logical backups with SQL dumps
How to back up PostgreSQL databases using the pg_dump utility, and how to restore from these backups.
Physical backups with pg_basebackup
How to perform physical backups of a PostgreSQL cluster using pg_basebackup, and store them with Plakar.