DevOps & CI/CD

Multi-Region Active-Passive Disaster Recovery

DevOps & CI/CD diagram · made in Skemio

Architecture diagram showing global users routed by DNS to a primary region with async database replication to a passive secondary region.
Architecture diagram showing global users routed by DNS to a primary region with async database replication to a passive secondary region.
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What it shows

  • Asynchronous cross-region DB replication keeps standby lag under seconds.
  • DNS health checks detect primary region outages without human delay.
  • Promoting the standby database requires handling split-brain protections.

The takeaway

Automate health-checked DNS failover and asynchronous database replication to minimize RTO.

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