Multi-Site Stretch Cluster and Disaster Recovery Guide

This document is a Reference Architecture Guide that outlines the Hitachi Integrated Solution for VMware Cloud Foundation (VCF) designed to provide robust multi-site disaster recovery (DR) capabilities. It details the architecture and components necessary for ensuring continuous availability and effective disaster recovery in enterprise IT environments. The guide explains the importance of a resilient infrastructure, highlighting risks such as extended downtime, data loss, and increased costs associated with inadequate recovery solutions. It presents a 3 Datacenter (3DC) architecture that facilitates operations across geographically distinct data centers, ensuring data consistency and failover capabilities. The document elaborates on the integration of Hitachi Virtual Storage Platform One Block as the primary storage solution, emphasizing its role in achieving cloud resiliency. Additionally, it describes various use cases for the architecture, including automated site failover and recovery processes, which are critical for maintaining operational integrity during outages or disasters.