Prerequisites

Kubernetes Clusters: At least two Kubernetes 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.
Version: A single Operator version 1.10.0, Portworx cluster of version 2.11 or newer, and Stork version 2.12.0 or newer on both the clusters.
Network Connectivity: Kubernetes API End Point: Port 6443, 443, or 8443 should be reachable. Check with your Kubernetes administrator for the respective ports.
External KVDB: An external KVDB etcd setup outside the Kubernetes clusters. For more information, see Install ETCD.
License: A DR enabled Portworx Enterprise license on both the source and destination clusters.
Witness node requirements: Licensed, 4 cores minimum, 8 cores recommended, 4 GB minimum, 8 GB recommended. The witness node can be a storage or storageless node. Also, ensure that Docker engine is installed.
Cloud Environment:
- GKE: The instructions on the Migration with Stork on GKE page have been implemented on your destination cluster.
- EKS: The instructions on the Migration with Stork on EKS page have been implemented on your destination cluster.

NOTE: Cloud drives are not supported in the Synchronous DR deployment.