🔴 Complete walkthrough of enterprise-grade Disaster Recovery architecture using Red Hat Advanced Cluster Management (ACM) on OpenShift . This comprehensive tutorial covers COLD failover design patterns, multi-cluster orchestration, and real-world implementation strategies. ⚡ WHAT YOU'LL LEARN IN THIS 30-MINUTE DEEP DIVE: - Enterprise COLD architecture design principles - Multi-cluster topology with ACM governance - HAProxy advanced routing strategies - Policy-driven application deployment - GitOps patterns for disaster recovery - Real failover execution and validation 📊 LAB ENVIRONMENT SPECIFICATIONS: - Infrastructure: KVM Virtualization on Bare Metal - Clusters: 2x OpenShift (5 nodes each) - Network: Segregated VLANs (Production: , DR: ) - Management: Red Hat ACM - Load Balancer: HAProxy 2.8 with multi-tier routing - Storage: LVM Storage Operator (Dynamic Provisioning) 🏗️ ARCHITECTURE HIGHLIGHTS: ✅ COLD Standby Pattern (License-Optimized) ✅ Sub-5 Minute RTO Achievement ✅ Automated Failover Orchestration ✅ Zero Standing Infrastructure Waste ✅ GitOps-Driven Configuration Management ✅ Production-Ready Security Policies . ⏰ TIMESTAMPS: 00:00 Introduction & Architecture Overview 02:30 Lab Environment Tour (KVM Setup) 05:00 Multi-Cluster Topology Deep Dive 08:15 ACM Installation & Configuration 11:30 Cluster Labeling & Placement Strategies 14:45 Policy Design for COLD Architecture 18:00 HAProxy Advanced Configuration 21:30 Application Deployment via GitOps 24:00 LIVE Failover Demonstration 27:00 Monitoring & Validation 29:00 Best Practices & Lessons Learned 💼 ABOUT ECINTELLIGENCE: We are Red Hat Advanced Partners specializing in OpenShift and cloud-native architectures. With 10+ years of experience in enterprise transformations, we help organizations build resilient, scalable platforms. 🔗 CONNECT WITH US: - Website: - Email: infos@ - LinkedIn: ECINTELLIGENCE - Professional Services: OpenShift, ACM, DevSecOps 📢 ENGAGE: 👍 LIKE if this architecture helps your DR planning 🔔 SUBSCRIBE for more enterprise OpenShift content 💬 COMMENT your DR challenges and questions 🔄 SHARE with your platform engineering team 🏷️ TAGS: #OpenShift #RedHatACM #DisasterRecovery #MultiCluster #EnterpriseArchitecture #CloudNative #Kubernetes #GitOps #PlatformEngineering #DevOps #SRE #HighAvailability #KVM #Virtualization #InfrastructureAsCode #ECINTELLIGENCE