Not every PostgreSQL installation requires encryption at rest. However, for organizations mandating strict data protection and privacy standards, it is often non-negotiable. When security policies are this rigorous, you need a strategy that protects your data without sacrificing recoverability.
This is a companion discussion topic for the original entry at https://percona.community/blog/2026/03/10/running-pgbackrest-with-pg_tde-a-practical-percona-walkthrough