Exploring IBM Eserver Zseries and S/390 Servers: See Why IBM's Redesigned Mainframe Computer Family Has Become More Popular than Ever!

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Considered the bible of the IBM zSeries and S/390 world, this new edition closely examines the role large computers will play in the new century. All the new hardware models and operating system products—Linux, VSE, MVS, VM, AIX, and Open Edition—are now available for the zSeries and are fully explained, as are critical business issues such as cost justification, lease versus purchase, support, security, and maintenance. Hypothetical small, medium, and large businesses are described and then outfitted with the ...

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Overview

Considered the bible of the IBM zSeries and S/390 world, this new edition closely examines the role large computers will play in the new century. All the new hardware models and operating system products—Linux, VSE, MVS, VM, AIX, and Open Edition—are now available for the zSeries and are fully explained, as are critical business issues such as cost justification, lease versus purchase, support, security, and maintenance. Hypothetical small, medium, and large businesses are described and then outfitted with the appropriate zSeries solution. This replaces 1885068700.

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Product Details

  • ISBN-13: 9781885068910
  • Publisher: Maximum Press
  • Publication date: 11/1/2002
  • Series: Exploring IBM Series
  • Edition description: 8TH
  • Edition number: 8
  • Pages: 464
  • Product dimensions: 7.00 (w) x 8.90 (h) x 1.00 (d)

Meet the Author

Jim Hoskins was an IBM design engineer and manager and is the author of 10 computer books, including Exploring IBM Technology, Products & Services. He lives in Gulf Breeze, Florida. Bob Frank was the IBM product manager for what is now the server group zSeries and S/390. He lives in Tampa, Florida.

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Table of Contents

Introduction xvi
What This Book Is xvi
What This Book Is Not xvii
What's in this Book xvii
Your "Members Only" Web Site xviii
Some Historical Background xix
Chapter 1 The eServer Business Environment 1
The e-business Tidal Wave 1
e-business Evolution and IBM 2
Back to the Future 3
The Next Generation e-business 4
e-Business Infrastructure--What Should I Do? 5
The IBM eServer Advantage Service 6
Capacity 6
Availability 7
Customer Care 7
Solution Assurance 7
Financial 8
Systems Management 8
The IBM eServer Family of Products 10
zSeries 10
pSeries 12
iSeries 12
xSeries 13
Summary 13
Chapter 2 zSeries Servers--A New Beginning 14
A Glance Backwards 15
1950s to 1990--The Real Beginning 15
System/390, 1990-2000 21
Meet the zSeries Family 27
A Closer Look 35
Linux Operating System Support 35
I/O Subsystem--Channels and Adapters 36
Bulletproof Security 41
z/Architecture 42
Operating Modes 43
Processor Technology 44
The Chips 45
CMOS--The Technology of Preference 49
Processor Elements--Partitions 56
Storage Hierarchy 56
Registers and Cache 57
Central Storage 58
Expanded Storage 59
External Storage--Peripherals 60
Processor Controller 63
Parallel Processing 66
Parallel Sysplex 67
Coupling 72
Coupling Links 77
Geographically Dispersed Parallel Sysplex 78
IBM Sysplex Timer (9037) 79
IBM Fiber Saver (2029) 80
Availability and Fault Tolerance 80
Software--Supporting Business Objectives 85
System Concepts--Bringing the System to Life 89
Batch Versus Interactive Processing 90
Multiuser Support 91
Multiprogramming 92
Communications--Connecting the Business 93
Interfaces and Protocols 96
Additional Integrated Function 103
UNIX Services 103
Object Technology 104
Data Management Alternatives 104
Enterprise Multimedia Servers 105
Performance Overview 107
Large System Performance Reference (LSPR) 108
Using the Transaction Processing Performance Council (TPC) 110
Summary 111
Chapter 3 zSeries I/O and Storage 112
Input/Output (I/O) Channel Architecture 113
Parallel Channels 114
ESCON Channels 116
ESCON Directors 121
ESCON Converters 123
FICON Channels 124
Fibre Channels 126
9729 Optical Wavelength Division Multiplexor (Muxmaster) 127
Disk Storage 128
Disk Storage Performance 128
RAID Technology 129
RAMAC Array Architecture 130
Performance Features 131
Availability Features 135
Direct Access Storage Device (DASD) Characteristics 136
RAMAC 2 Array 136
RAMAC 3 Storage Frame and Drawer 138
RAMAC Virtual Array 2 (RVA 2) Turbo and Turbo X83 138
3990 Storage Control 139
Enterprise Storage Server (ESS) (a.k.a. "Shark") 142
Optical Storage 144
Tape Storage 147
3590 High-Performance Tape Subsystem 148
3494 Automated Tape Library (ATL) Dataserver 152
3490 Magnetic Tape Subsystems 154
Display Stations 155
Printers 156
Character Printers 157
Line Printers 158
Page Printers 159
Summary 163
Chapter 4 zSeries Software 165
Application Program Compatibility 165
The Network Computing Framework 168
Application Programs on the zSeries 170
Prewritten Programs 172
Cross-Industry Application Programs 173
IBM WebSphere Software Platform 173
WebSphere Application Server for OS/390 and z/OS 174
Query Management Facility 177
ImagePlus 180
Industry-Specific Application Programs 183
SAP R/3 183
IBM-Siebel Global Strategic Alliance 184
Custom Application Programs 185
Custom Application Program Development 186
Front-Ending Existing Applications 187
Procedural Application Development Tools 189
Advanced Application Generator Tools 191
Object-Oriented Application Development 191
Support Services for System/390 and zSeries Application Development 193
Application Enablers--Extending the API 193
Transaction-Processing Application Enablers 196
Database Application Enablers 199
Relational Database Enablers: DB2 and SQL 199
Hierarchical Database Enablers 201
Developing Usable Business Information 203
Data Mining 207
Special-Purpose Application Enablers 209
Operating System Alternatives 210
Evolution of OS/390 211
MVS/ESA 211
OS/MVT 212
OS/VS2 212
MVS/370 213
MVS/XA 215
MVS/ESA 217
MVS/ESA SP Version 4 220
MVS/ESA Version 5 223
UNIX Services 227
SOMobjects for MVS 231
OS/390 Today 232
z/OS V1R1 and OS/390 V2R10 238
Some Exploiters of z/Architecture 245
Migration Considerations 246
OS/390 and z/OS Example 246
VM/ESA and z/VM Example 247
LPAR Coexistence 247
OS Release Coexistence 249
Evolution of VM 250
VM/ESA 250
Origins of VM/ESA 252
VM/ESA Version 1 255
VM/ESA Version 2 261
OpenExtensions for VM/ESA 264
VM/ESA Version 2, Release 3.0 266
VM/ESA Version 2, Release 4.0 267
z/VM Version 3, Release 1 268
z/VM Version 4 269
Linux 270
Evolution of VSE 272
Disk Operating System (DOS) 272
DOS/VS 273
VSE/SP 275
VSE/ESA Version 1 277
VSE/ESA Version 2 281
Other VSE/ESA Components 285
VSE Central Functions and Components 285
Other Operating Systems 287
Advanced Interactive eXecutive/Enterprise Systems Architecture (AIX/ESA) 287
Transaction Processing Facility (TPF) 287
Distributed Processing Programming eXecutive/370 (DPPX/370) 288
Summary 288
Chapter 5 Communications--Accessing the Data 290
Local Area Networks 291
Distributed Computer Communications 298
Distributed Networks 299
System/390 and zSeries with Distributed Networks 304
Communication Services 305
eNetwork Services 308
Common Transport Semantics 310
Transport Services 314
Subnetworking 314
Signaling and Control Plane 316
Systems Management 317
Communications Options 317
I/O Channel Controllers and Connectivity 319
3745 Communications Controller 319
3746 Model 900 Extension Unit 322
3746 N-way Multinetwork Controller Model 950 324
Open Systems Adapter--Express (OSA-Express) 325
HiperSockets on the zSeries 800 and 900 327
Network Communications Servers 328
WebSphere Host on Demand 329
Modems 329
Summary 330
Chapter 6 Applying zSeries to Your Business 331
Choosing Server Configurations 332
Managing Complexity 332
IBM Tivoli NetView 333
System Automation 336
Automated Operations Network/MVS (AON/MVS) 337
OS/390 and z/OS Network File System (NFS) 337
Tivoli Storage Manager 337
InfoPrint Manager 339
Performance Management 339
Problem Management 340
Business and Security Management 341
Operations Planning and Control/ESA (OPC/ESA) 343
System Display and Search Facility (SDSF) for OS/390 and z/OS 345
Resource Measurement Facility (RMF) for OS/390 and z/OS 345
Global Enterprise Management (GEM) 346
The "Open Business" Policy--Protecting Your Assets 347
Data Preservation Options 348
Backup and Restore 349
Archiving 350
Disaster Recovery 351
Ensuring Real-Time Data Recovery 352
Access Control Options 353
Securing Data in a Distributed Environment 355
Building a Total Security Solution 356
Evaluating Vendor Offerings 358
Cost Justification 359
Hardware--Lease or Buy? 363
Software Licensing 364
Parallel Sysplex License Charge (PSLC) and the zSeries Entry License Charge (zELC) 366
Indexed Monthly License Charge (IMLC) 369
Workload License Charges 370
Examples of Software Pricing Offerings 370
System/390 migration to a z900 and z/OS 370
Linux Integrated Facility on System/390 and zSeries 900 372
Integrated Facility for Linux (IFL) for the z800 Model 0LF 373
z800 with zSeries Entry License Charges (zELC) 374
IBM License Manager (ILM) for z/OS 377
IBM Global Finance 378
Integrated Offerings 378
zSeries Fiber Cabling Service 378
IBM Global Services 379
Education 380
Forums and Discussions Lists 381
Servicing A System 382
Summary 384
Appendix A 385
Appendix B 389
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