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How would you design and test a complete disaster recovery drill for a Redis based application to verify your team can actually recover successfully under pressure?

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Answer

You would simulate a realistic failure scenario, such as intentionally taking down your primary Redis instance in a controlled test environment, have your team follow their documented recovery procedure exactly as they would during a real incident, measure how long the actual recovery takes, and use what you learn to improve both your documentation and your actual recovery process for next time.

-- Simulated drill steps
-- 1. Intentionally stop the primary instance
-- 2. Follow documented failover procedure
-- 3. Measure actual recovery time
-- 4. Document lessons learned

Real-world example A financial services company runs a quarterly disaster recovery drill for their Redis infrastructure, discovering during one drill that their documented recovery steps were outdated, allowing them to fix the documentation before a real emergency ever occurred.

Common follow-ups: How often should disaster recovery drills realistically be conducted?;What metrics should be tracked during a drill to measure its success?

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