dr-drill-runner

Per the [Google Cloud DR planning guide], DR planning requires "end-to-end recovery design addressing backup, restoration, and cleanup procedures." Drills test that the procedure works AND that the team can run it. Both surface different failures.

When to use

• Quarterly DR drill (mandatory in compliance-heavy industries: banking, healthcare, defense).
• After a region-failover incident: rerun the drill with the lessons learned.
• New service onboarding: every new tier-1 service ships with its drill defined.

Step 1 - Define RTO + RPO per service tier

Per the [Google Cloud DR planning guide]: