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Add ROSA HCP Disaster Recovery guide with ACM and OpenShift GitOps - #983

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rosa-acm-dr
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Add ROSA HCP Disaster Recovery guide with ACM and OpenShift GitOps#983
kmcolli wants to merge 2 commits into
mainfrom
rosa-acm-dr

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@kmcolli

@kmcolli kmcolli commented Aug 20, 2026

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Summary

  • Adds a new guide for setting up active/passive disaster recovery on ROSA HCP clusters using ACM for automatic failover detection and ArgoCD for application deployment
  • Covers importing managed clusters, ManagedClusterSet configuration, GitOpsCluster integration, Placement with Steady prioritizer and failover tolerations, ApplicationSet with
    merge generator, DNS setup, failover testing, and failback procedures
  • Includes production considerations for data replication, ACM hub availability, and lease duration tuning

@kmcolli
kmcolli marked this pull request as draft August 20, 2026 20:31
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@kmcolli
Add EFS/S3 data consistency steps to ACM DR guide
896b3da 
  - Add static PV pre-staging with claimRef for replicated EFS data
  - Add EFS replication promotion/demotion in failover/failback
  - Add S3/EFS one-directional replication failback warnings
  - Update prerequisites with EFS mount targets and CRR details
  - Rename EFS vars to EFS_ID_PRIMARY/EFS_ID_DR for clarity
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