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IBM GDPS Family: An introduction to Concepts and Capabilities
z Systems

Draft Redbooks, last updated 10 Apr 2018

This IBM® Redbooks® publication presents an overview of the IBM Geographically Dispersed Parallel Sysplex™ (IBM GDPS®) offerings and the roles they play in delivering a business IT resilience solution. The book begins with general concepts of business IT resilience and disaster recovery, along with issues related to high application availability, data integrity, and performance. These topics are considered within the framework of government regulation, increasing application and infrastructure complexity, and the competitive and rapidly changing modern business environment. Next, it ... [more]


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ABCs of z/OS System Programming Volume 10
z Systems Software

Draft Redbooks, last updated 9 Apr 2018

The ABCs of IBM® z/OS® System Programming is an 13-volume collection that provides an introduction to the z/OS operating system and the hardware architecture. Whether you are a beginner or an experienced system programmer, the ABCs collection provides the information that you need to start your research into z/OS and related subjects. If you would like to become more familiar with z/OS in your current environment, or if you are evaluating platforms to consolidate your e-business applications, the ABCs collection will serve as a powerful technical tool. This IBM Redbooks® publication, Volume ... [more]


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IBM TS7700 Release 4.1 and 4.1.2 Guide
Storage Solutions

Draft Redbooks, last updated 30 Mar 2018

This IBM® Redbooks® publication highlights IBM TS7700 R4.1 through R4.1.2. The IBM TS7700 is part of a family of IBM Enterprise tape products. This book is intended for system architects and storage administrators who want to integrate their storage systems for optimal operation. The IBM TS7700 offers a modular, scalable, and high-performance architecture for mainframe tape virtualization for the IBM Z environment. It is a fully integrated, tiered storage hierarchy of disk and tape. This storage hierarchy is managed by robust storage management microcode with extensive self-management ... [more]


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zEDC Compression: DFSMShsm Sample Implementation
z Systems Software

Redpaper, published 7 Apr 2015, last updated 29 Mar 2018

Before the announcement of zEDC hardware compression, DFSMShsm was already able to compress migration and backup data using its own compaction (based on Huffman frequency Encoding algorithm) on disk and tape data. This Redpaper shares a sample implementation of zEDC hardware compression performed in a controlled test environment and looks at the impact of zEDC compression up to Migration Level 1.


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IBM DS8880 Thin Provisioning
Disk storage

Redpaper, published 20 Nov 2017

Ever-increasing storage demands have a negative effect on an organization's IT budget and complicate the overall storage infrastructure and management. Companies are looking at ways to use their storage resources more efficiently. Thin provisioning can help by reducing the amount of unused storage that is typically allocated to applications or users. Now available for the IBM® DS8880 for Fixed Block (FB) and Count Key Data (CKD) volumes, thin provisioning defers the allocation of actual space on the storage system until the time that the data must effectively be written to disk. This IBM ... [more]


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Introduction to CICS
z Systems Software

Course, published 28 Aug 2017

Without knowing it, you’ve probably interacted with CICS already today. Perhaps you checked your bank balance or bought a bagel for breakfast? CICS is used by enterprises to provide the services that the world depends on, but you may have never even heard of it before.   This course introduces CICS, an unparalleled mixed language application server. We explore what an application server is, what it provides to developers and what distinguishes CICS as a mixed language application server. Through the use of a illustrative application, we explain how CICS can provide shared programming ... [more]


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IBM HTTP Server on z/OS: Migrating from Domino-powered to Apache-powered
z Systems

Redpaper, published 31 Oct 2016, last updated 13 Jul 2017

Users of IBM® z/OS® for the past several years had a choice of two HTTP Servers that they can use. Now, one server became strategic while the other is no longer supported with z/OS V2.2. IHS powered by Apache supports IPv6 and 64-bit execution and includes security authentication and authorization capabilities that are similar to those capabilities that are provided in IHS powered by IBM Domino®. This IBM Redpaper™ publication is aimed at technicians who are responsible for planning and deploying system software. It provides informationon about the various features that are available in IBM ... [more]


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IBM z/OS DFSMShsm Primer
z Systems Software

Redbooks, published 9 Sep 2015, last updated 21 Jun 2017

DFSMShsm provides storage management to help you optimize resources, improve efficiency, direct access storage device (DASD) space, and systems availability. It works with Data Facility Storage Management Subsystem (DFSMS) closely to manage your data through data set migration and recall, and data set backup and recovery. With DFSMShsm, you can automate your storage management tasks, improving productivity by effectively managing the storage devices. This IBM® Redbooks® publication provides technical storage specialists and storage administrators with basic DFSMShsm knowledge for ... [more]


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Extending a CICS web application using JCICS
z Systems Software

Course, published 15 May 2017

This course provides Java application developers with a step-by-step guide to CICS Java development, demonstrating how to access common CICS resources using the JCICS API. Topics covered include:

  • Fundamentals of using the JCICS API
  • Using JZOS to map native record-based language structures to Java data types
  • Communicating with other CICS programs using a COMMAREA
  • LINKing to a Java application deployed in Liberty
  • Accessing CICS resources, including VSAM and temporary storage queues
  • Managing the CICS unit of work scope in Java
  • Handling errors in Java
    ... [more]


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    IBM TS7700 Release 4.0 Guide
    Storage Solutions

    Redbooks, published 21 Jan 2017, last updated 11 Apr 2017

    This IBM® Redbooks® publication highlights IBM TS7700 Release 4.0. The IBM TS7700 is part of a family of IBM Enterprise tape products. This book is intended for system architects and storage administrators who want to integrate their storage systems for optimal operation. The IBM TS7700 offers a modular, scalable, and high-performance architecture for mainframe tape virtualization for the IBM z™ Systems environment. It is a fully integrated, tiered storage hierarchy of disk and tape. This storage hierarchy is managed by robust storage management microcode with extensive self-management ... [more]


    The above is a list of IBM Redbooks and Redpapers on z Systems Software, showing most recently published first. Most of these publications are available in Adobe PDF format and may be viewed online or downloaded for offline viewing and printing. Read our How to buy page for details on how to order a bound hardcopy.



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