Synchronous DR prerequisites in OCP on bare metal

• OCP Clusters: At least two OCP clusters which are part of the same metropolitan area network with a maximum network latency of 10 ms between them.
• For a new installation, meet the minimum prerequisites.
• Network Connectivity:

  • OpenShift4+: Open ports in the range of 17001-17020 must be accessible to reach Portworx API endpoints.

  • Portworx: Open port in the range of 9001-9020 for Portworx worker nodes to communicate with each other.

    To know more about the specific ports for your environment, see the Network table on the Prerequisites page.

• External KVDB: An external KVDB etcd setup outside the clusters. To know how to setup an external etcd, see Install KVDB.
• License: Portworx Enterprise DR license is available.
• Applications Registration: For certain OCP applications, you should create an ApplicationRegistration CR first to facilitate the successful migration of them. Refer to the ApplicationRegistrations page for more information.