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Series
Real production migration and incident playbooks focused on safe execution, root cause analysis, and rollback-first DevOps practices. Each post documents how real production issues were handled and fixed without downtime.
This migration was performed on a production workload where cost reduction was prioritized over zone-level high availability.
Cross-cloud VM migration is not a disk copy task. It is: An access model transformation A replication lifecycle management exercise A downtime control operation A cost boundary decision We execu
Migrating object storage across cloud providers is not a copy task.It is a cost, network, and security boundary problem. We migrated 10+ TB of object data from Google Cloud Storage to Amazon S3 under
A practical, real-world walkthrough of Redis OSS snapshot export, cross-account restore failures, and the production-safe migration pattern.
A Practical Production Playbook (200 Instance Scenario) Amazon Linux 2 (AL2) will reach end-of-support on June 30, 2026. After that date, AWS will no longer provide security updates, patches, or new packages. Although AL2 continues to receive mainten...
Real-world failure analysis, custom image build, and secure production deployment with flexible DB architecture.
