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IBM z15 (8561) Technical Guide

An IBM Redbooks publication


Published on 17 January 2020, updated 21 May 2024

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ISBN-10: 0738458120
ISBN-13: 9780738458120
IBM Form #: SG24-8851-00

Authors: Octavian Lascu, John Troy, Jannie Houlbjerg, Frank Packheiser, Paul Schouten, Kazuhiro Nakajima, Anna Shugol, Hervey Kamga and Bo XU

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    This IBM® Redbooks® publication describes the features and functions the latest member of the IBM Z® platform, the IBM z15™ (machine type 8561). It includes information about the IBM z15 processor design, I/O innovations, security features, and supported operating systems.

    The z15 is a state-of-the-art data and transaction system that delivers advanced capabilities, which are vital to any digital transformation. The z15 is designed for enhanced modularity, which is in an industry standard footprint.

    This system excels at the following tasks:

    • Making use of multicloud integration services
    • Securing data with pervasive encryption
    • Accelerating digital transformation with agile service delivery
    • Transforming a transactional platform into a data powerhouse
    • Getting more out of the platform with IT Operational Analytics
    • Accelerating digital transformation with agile service delivery
    • Revolutionizing business processes
    • Blending open source and Z technologies

    This book explains how this system uses new innovations and traditional Z strengths to satisfy growing demand for cloud, analytics, and open source technologies. With the z15 as the base, applications can run in a trusted, reliable, and secure environment that improves operations and lessens business risk.

    Table of Contents

    Chapter 1. Introduction

    Chapter 2. Central processor complex hardware components

    Chapter 3. Central processor complex design

    Chapter 4. Central processor complex I/O structure

    Chapter 5. Central processor complex channel subsystem

    Chapter 6. Cryptographic features

    Chapter 7. Operating system support

    Chapter 8. System upgrades

    Chapter 9. Reliability, availability, and serviceability

    Chapter 10. Hardware Management Console and Support Element

    Chapter 11. Environmentals

    Chapter 12. Performance

    Appendix A. Channel options

    Appendix B. System Recovery Boost

    Appendix C. IBM Integrated Accelerator for zEnterprise Data Compression

    Appendix D. Frame configurations


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