Q: etcd backup failed. Recovery steps?
etcdctl snapshot save backup.db. Restore: stop API server, restore snapshot, restart.
#Kubernetes #Advanced Scenarios #L3 #Container Orchestration #K8s #etcd
🎙️ Candidate Opening & Architectural Context
""Kubernetes is a declarative desired state system; understanding the reconciliation loop is how you diagnose this quickly. When addressing this question, I walk the interviewer through our production incident runbook: isolating the blast radius, checking diagnostic logs and metrics, and applying a safe fix.""
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🛠️ Production Runbook & Step-by-Step Resolution
1️⃣
Production Solution & Architecture
etcdctl snapshot save backup.db. Restore: stop API server, restore snapshot, restart.
💡 The Senior SRE Gold Nugget (Key Architectural Takeaway)
"Pro-Tip: etcdctl snapshot save backup.db. Restore: stop API server, restore snapshot, restart.."
⚡ 60-Second Elevator Pitch Talking Points
- Immediate Triage: etcdctl snapshot save backup.db. Restore: stop API server, restore snapshot, restart.
- Run targeted verification commands before modifying configuration.
- Automate permanent guardrails (CI check, alerts, IaC policy) to prevent recurrence.
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