Cloud Native PostgreSQL DB on OpenShift Reference Architecture Guide

This document is a Reference Architecture Guide that outlines a configuration for deploying Cloud Native PostgreSQL (CNP) on the Red Hat OpenShift Container Platform (OCP) using Hitachi Virtual Storage Platform One SDS Block. It details the integration of storage services and capabilities necessary for managing Kubernetes clusters and distributed workloads that require persistent storage. The guide discusses the importance of data persistence for applications like PostgreSQL and highlights the role of the Hitachi Storage CSI driver and Storage Plug-in for Containers in providing persistent storage solutions. Furthermore, it addresses the need for a robust compute platform that can accommodate various application requirements, including memory and CPU needs. The document also emphasizes the significance of reliable network connectivity and efficient infrastructure management to enhance operational efficiency. Targeted at IT administrators and system architects, this guide serves as a resource for planning and implementing the necessary infrastructure for container services.