Prerequisites

Clusters

Both clusters must:

• Run Red Hat OpenShift 4.18 or later
• Have network access to the shared S3 bucket
• Be reachable by ACM on the hub

S3 storage

A single S3-compatible bucket accessible from both clusters. Required values:

• Bucket name
• Bucket region (must match the bucket’s actual region — always set this explicitly)
• Access key and secret key with read/write permissions on the bucket

Trilio license

A valid Trilio for Kubernetes license key. This pattern supports Trilio for Kubernetes version 5.3.0 and later. Obtain a license from trilio.io or your Trilio representative.

Tooling (hub workstation)

• oc CLI logged in to the hub cluster with cluster-admin

• ansible-navigator (for manual DR operations)

• make

• git

• python3

• rhvp.cluster_utils Ansible collection (for make install):

  ansible-galaxy collection install community.okd kubernetes.core \
    https://github.com/validatedpatterns/rhvp.cluster_utils/releases/download/v0.0.6/rhvp-cluster_utils-0.0.6.tar.gz