“...an excellent review of the history and technology of Exploring IBM the zSeries, plus the latest information on zSeries e-business solutions. zSeries This book has it all!” —Al Zollar, General Manager of Lotus Software, IBM Corporation and S/390 Servers EIGHTH EDITION Y L F M A E T See why IBM’s redesigned mainframe computer family has become more popular than ever! Foreword by Dan Colby, General Manager, IBM eServer zSeries Jim Hoskins and Bob Frank Team-Fly® Chapter title 1 Exploring IBM ~ zSeries and S/390 Servers Other Titles of Interest From Maximum Press Exploring IBM e-Business Software: Young, 1-885068-58-1 Exploring IBM ~ pSeries, Eleventh Edition: Hoskins, Bluethman, 1-885068-81-6 Exploring IBM ~ iSeries, Eleventh Edition: Hoskins, Dimmick, 1-885068-92-1 Exploring IBM ~ xSeries, Twelfth Edition: Hoskins, Wilson, Winkel, 1-885068-83-2 Exploring IBM Network Stations: Ho, Lloyd, Heracleous, 1-885068-32-8 Building Intranets With Lotus Notes and Domino 5.0, Third Edition: Krantz, 1-885068-41-7 Marketing With E-Mail, Third Edition: Kinnard, 1-885068-68-9 Business-to-Business Internet Marketing, Fourth Edition: Silverstein, 1-885068-72-7 Marketing on the Internet, Sixth Edition: Zimmerman, 1-885068-80-8 101 Internet Businesses You Can Start From Home: Sweeney, 1-885068-59-X The e-Business Formula for Success: Sweeney, 1-885068-60-3 101 Ways to Promote Your Web Site, Fourth Edition: Sweeney, 1-885068-90-5 Internet Marketing for Information Technology Companies, Second Edition: Silverstein, 1-885068-67-0 Internet Marketing for Less Than $500/Year, Second Edition: Yudkin, 1-885068-69-7 The Business Guide to Selling Through Internet Auctions: Hix, 1-885068-73-5 Internet Marketing for Your Tourism Business: Sweeney, 1-885068-47-6 For more information, visit our Web site at www.maxpress.com or e-mail us at [email protected] Exploring IBM ~ zSeries and S/390 Servers Eighth Edition See why IBM's redesigned mainframe server family has become more popular than ever! Jim Hoskins Bob Frank MAXIMUM PRESS 605 Silverthorn Road Gulf Breeze, FL 32561 (850) 934-0819 www.maxpress.com Publisher: Jim Hoskins Manager of Finance/Administration: Joyce Reedy Production Manager: ReNae Grant Cover Designer: Lauren Smith Designs Compositor: PageCrafters Inc. Copyeditor: Andrew Potter Proofreader: Jacquie Wallace Indexer: Susan Olason Printer: P.A. Hutchison This publication is designed to provide accurate and authoritative information in regard to the subject matter covered. It is sold with the understanding that the publisher is not en- gaged in rendering professional services. If legal, accounting, medical, psychological, or any other expert assistance is required, the services of a competent professional person should be sought. ADAPTED FROM A DECLARATION OF PRINCIPLES OF A JOINT COMMITTEE OF THE AMERICAN BAR ASSOCIATION AND PUBLISHERS. Copyright 2003 by Maximum Press. The photos used throughout this book, and the tables in the Appendix are reproduced courtesy of International Business Machines Corporation. Unauthorized use not permit- ted. All rights reserved. Published simultaneously in Canada. Reproduction or translation of any part of this work beyond that permitted by Section 107 or 108 of the 1976 United States Copyright Act without the permission of the copyright owner is unlawful. Requests for permission or further information should be addressed to the Permissions Department, Maximum Press. Recognizing the importance of preserving what has been written, it is a policy of Maxi- mum Press to have books of enduring value published in the United States printed on acid- free paper, and we exert our best efforts to that end. Library of Congress Cataloging-in-Publication Data Hoskins, Jim. Exploring IBM eServer zSeries and S/390 Servers / Jim Hoskins and Bob Frank.— 8th ed. p. cm. ISBN 1-885068-99-9 1. IBM computers. 2. Computer software. I. Frank, Bob, 1937- II. Title. QA76.8.I1013 H67 2002 004.1’25—dc21 2002010929 Acknowledgments I would like to thank the many members of the IBM development and marketing support teams who under significant IBM work pressures took time to answer my questions and help review my work. There were those that committed considerable efforts to support this effort: Networking/Communications James Goethals, zSeries Networking Offering Manager Linux and z800 Linux Pricing Nancy Scala, zSeries Product Marketing Manager I/O and Storage and z/OS.e and zELC Pricing Gita G. Berg, zSeries Marketing VSE Jerry Johnston, VSE Senior Consultant VM and z/VM Denny Refsnider, VM Marketing/Announcements Pamela Christina, z/VM Marketing, Tech. Conferences, Events Management Web Editor Reed Mullen, VM Product Management Carol Kudritz, VM Software Vendor Relationship Management Alan Altmark, z/VM Strategy, Design & Development VM, z/VM & VSE Nancy Eade, zSeries Product Marketing Manager I would like to pass on my special thanks to Jim Goethals who was so gracious and helpful in getting the networking and communications material and message correct; to Gita for not only helping me with gen- eral material and the storage and printer product questions but for her patience in helping me construct the pricing example for z/OS.e and zELC; to Nancy Scala’s help in construction of the example for z800 with Linux; and to Nancy Eade who coordinated the VSE, VM and z/VM responses as well as her support across the full spectrum of the book. Without the help of all of these fine people and competent IBM’ers this book would not have seen the light of day. I would also like to acknowledge the willingness of IBM to permit me to use their graphics and tables that are reproduced in this book which are from their IBM eServer zSeries 900 Technical Guide (SG24-5975-00) and IBM eServer zSeries 900 and z/OS Reference Guide (G326-3092-00) plus several Customer Marketing presentations. Most important, I would like to thank my wife, Pat, for her support and willingness to pick up some of my household tasks while I spent days and evenings on this endeavor. Disclaimer The purchase of computer software or hardware is an important and costly business decision. While the author and publisher of this book have made reasonable efforts to ensure the accuracy and timeliness of the information contained herein, the author and publisher assume no liability with respect to loss or damage caused or alleged to be caused by reliance on any information contained herein and disclaim any and all warranties, expressed or implied, as to the accuracy or reliability of said information. This book is not intended to replace the manufacturer’s product documentation or personnel in determining the specifications and ca- pabilities of the products mentioned in this book. The manufacturer’s product documentation should always be consulted, as the specifica- tions and capabilities of computer hardware and software products are subject to frequent modification. The reader is solely responsible for the choice of computer hardware and software. All configurations and applications of computer hardware and software should be reviewed with the manufacturer’s representatives prior to choosing or using any computer hardware and software. Trademarks The words contained in this text which are believed to be trademarked, service marked, or otherwise to hold proprietary rights have been des- ignated as such by use of initial capitalization. No attempt has been made to designate as trademarked or service marked any personal com- puter words or terms in which proprietary rights might exist. Inclusion, exclusion, or definition of a word or term is not intended to affect, or to express judgment upon, the validity of legal status of any proprietary right which may be claimed for a specific word or term. Foreword vii Foreword zSeries: Architected for e-Business, But True to Its Roots While the mainframe has a proud forty-year history and has helped transform virtually every aspect of modern life, the IBM eServer zSeries, by comparison, is a precocious two year old. Totally redesigned from the ground up in October 2000 for the launch of eServer, the zSeries is the foundation on which many of today’s eServer innovations are based. At the same time, it is called zSeries, for near zero downtime, because of the outstanding mainframe attributes it carries forward to users. The careful blending of new capabilities and time-proven qualities of ser- vice has made the zSeries an important player in the e-business transfor- mation taking place in today’s society. It also is the hallmark of a system that has been reinvented several times to meet the emerging demands of the IT marketplace. The IBM press release that announced the new IBM eServer zSeries described how it differed from its predecessors. It called the z900 the first mainframe built from scratch with e-business as its primary func- tion—with the ability to run up to hundreds of virtual servers within one physical box and the capability to replace racks full of competitive servers. It also outlined its new 64-bit operating system, z/OS, as well as new software pricing, designed to let customers pay based on what they use instead of total system capacity. The new zSeries set high stan- dards, but what has transpired during the past two years has surprised even the most enthusiastic mainframe supporters. In addition to driving renewed growth and interest in the main- frame with the z900, IBM has introduced new offerings to provide the benefits of zSeries to a broader spectrum of customers. Following are a few examples. vii viii Exploring IBM ~ zSeries and S/390 Servers • January 2002: IBM announces plans to deliver a Linux-only mainframe. The new server is capable of consolidating from 20 to hundreds of UNIX and Intel servers, bringing the superior total cost of ownership, performance and security of the IBM mainframe to an entirely new class of customers.