Cloud
Automated Disaster Recovery on AWS
Implement automated disaster recovery with RPO of 15 minutes and RTO of 30 minutes for critical production systems.
Our role: DevOps Architect
The challenge
Manual DR procedures took 4+ hours. Needed automated failover with data replication and testing capabilities.
What Devs & Logics delivered
- Solution 1: AWS DRS (Disaster Recovery Service) for automated replication
- Solution 2: Cross-region RDS Multi-AZ with automated backups
- Solution 3: S3 Cross-Region Replication for data redundancy
- Solution 4: Route53 health checks for automatic DNS failover
- Solution 5: AWS Systems Manager for automated recovery runbooks
- Solution 6: Chaos Engineering with AWS Fault Injection Simulator
Outcomes
- RTO reduced from 4 hours to 25 minutes
- RPO achieved at 10 minutes (better than target)
- Monthly DR drills automated and successful
- Zero data loss during actual disaster event
Technologies
AWS DRSRDSS3Route53Systems ManagerFault Injection SimulatorCloudFormationLambda
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