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Automated RDS Snapshots and Cross-Region Disaster Recovery
- This repository contains the code and documentation for implementing an automated RDS snapshot and cross-region disaster recovery (DR) solution using AWS services.
- This architecture leverages AWS Lambda functions triggered by EventBridge rules to create regular snapshots of our RDS instance in the US East (N. Virginia) region.
- The system also includes a mechanism to clean up old snapshots, ensuring efficient resource management.
- The steps include Automated Snapshot Creation, Cross-Region Snapshot Copy, and Automated Snapshot Deletion.
- The code implements automated snapshot management through Lambda functions, triggered through EventBridge rules.
- The Recovery Lambda will: Identify the latest copied snapshot in US West Oregon, initiate the restore process from this snapshot to create a new RDS instance, update Route 53 DNS records to point to the new RDS instance.
- Set up the EventBridge rules to trigger the Lambda functions. Configure Route 53 for your database domain.
- CloudWatch Logs can be used to monitor the execution of Lambda functions. Set up CloudWatch Alarms to alert on any failures in the snapshot creation, copying, or deletion processes.
- Ensure that all IAM roles follow the principle of least privilege. Use KMS encryption for snapshots in both regions.
- By implementing this automated RDS snapshot and cross-region DR solution, you've significantly enhanced your database's resilience and recovery capabilities.
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