Multi-AZ Is Not a Recoverability Boundary
A recoverability boundary is not the same thing as an availability boundary, and AWS just proved it the expensive way. On September 15, 2026, AWS up…
Testing & QA
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GCP's us-west1 Outage Mapped a Failure Domain Your Service List Couldn't See
A cloud failure domain is not the set of services you selected — it's the set of infrastructure those services actually share, and most architecture…
Using S3 as Your Disaster Recovery Target: A Practical Guide
Using S3 as Your Disaster Recovery Target: A Practical Guide S3 works as a disaster-recovery target because your data is already there, it is redund…
Why Most Disaster Recovery Tests Don't Test Recovery
The test passed. The runbook completed. Infrastructure came back online inside the RTO window. None of that means the organization can recover from…
Runbooks Don't Investigate. AWS DevOps Agent Does.
Overview I finished the DR Toolkit thinking I had covered the important parts of disaster recovery: runbooks, RTO/RPO targets, post-mortems. Then I…