List of changes to the current documentation

Some chapters/parts of Zowe documentation probably require changes for Zowe high availability. This page includes only a list of changes. We will add the detailed information once we conclude with this list.

Chapter 1: Getting Started

• Zowe overview:

  • Component Overview - Add Zowe Launcher as a component for HA (https://github.com/zowe/launcher)

• Component Overview - API Mediation Layer

  • API Mediation Layer architecture - (Q) Will APIML architecture be different in HA/Sysplex from the single image?

  • Key features

    • We have already High-Availability as a key feature High-Availability: API Mediation Layer is designed with high-availability of services and scalability in mind. (Q) Do we need to add Caching Service as a key feature for HA or rephrase above High-Availability feature? YES
      • Caching Service: This feature is designed for Zowe components in a high availability configuration. It supports the High Availability of all components within Zowe, allowing components to be stateless by providing a mechanism to offload their state to a location accessible by all instances of the service, including those which just started.

  • Components - Add Caching Service as a APIML service/component for HA (https://github.com/zowe/api-layer/tree/master/caching-service)

• Zowe architecture:

  • Add Zowe HA architecture when using Sysplex

• Zowe CLI quick start - Using profiles

  • Creating a zosmf profile - If z/OSMF is configured for HA in Sysplex, the CLI zosmf-profile should be created with DVIPA address/hostname. (https://github.com/zowe/zowe-install-packaging/issues/1475)

Chapter 2 : User Guide

• Planning and preparing the installation

  • Introduction

    • Planning z/OS installation - Zowe has two started tasks ... should be changed to four started tasks to include Zowe Launcher for HA. - Add ZWESLSTC as Zowe Launcher which provides an advanced launcher for Zowe components... - Add ZWESASTC as Cross memory Auxiliary server

  • Topology of the Zowe z/OS launch process

    • INSTANCE_DIR (Q) Do we need to mention YAML file for HA in INSTANCE_DIR?
      • instance.env
      • YAML file (zowe.yaml) , customize your instance with a YAML file

  • System requirements - Add Zowe HA requirements (host)

• Installing Zowe z/OS components

  • z/OS Installation Roadmap
    • If you want to use Zowe for high availability, instead follow this related page: Zowe HA Installation Roadmap (Technical Preview)