Glossary infra Term Page
Cold standby
spare hardware kept powered off until a failure occurs
Core Idea
Cold standby is spare hardware kept powered off until a failure occurs. Add the standby boot time (5–10 minutes) to your RTO. It usually makes the most sense alongside Configuration backup, Snapshot, RTO/RPO.
Why It Matters Here
Mathbong reuses this term across opnsense posts as shared vocabulary.