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IBM 3090 Processor Complex: Planning and Installation Reference ----- - ---- :S: - -i""-;-"""i: Large Technical Systems Bulletin Technical Support D. D. Boos B. E. Kasch National Technical Support Washington Systems Center GG66-3090-01 November 1987 Washington Systems Center Gaithersburg, MD Technical Bulletin IBM 3090 Processor Complex: Planning and Installation Reference D.D.Boos B. E. Kasch GG66-3090-01 November 1987 The information contained in this document has not been submitted to any formal IBM test and is distributed on an "as is" basis without any warranty either expressed or implied. The use of this information or the implementation of any of these techniques is a customer responsibility and depends on the customer's ability to evaluate and inte­ grate them into the customer's operational environment. While each item may have been reviewed by IBM for accuracy in a specific situation, there· is no guarantee that the same or similar results will be obtained elsewhere. Customers attempting to adapt these techniques to their own environments do so at their own ris.k. Reference to PTF numbers that have not been released through the PUT process does not imply general availability. The purpose of including these reference numbers is to alert IBM CPU customers to specific information relative to the implementation of the PTF when it becomes available to each customer according to the normal IBM PTF distribution rules. Performance data contained in this document was determined in a controlled environ­ ment; and therefore, the results which may be obtained in other operating environ­ ments may vary significantly. Users of this document should verify the applicable data for their specific environment. In this document, any references made to an IBM licensed program are not intended to state or imply that only IBM's licensed program may be used; any functionally equiv­ alent program may be used instead. It is possible that this material may contain reference to, or information about, IBM products (machines and programs), programming, or services that are not announced in your country. Such references or information must not be construed to mean that IBM intends to announce such IBM products, programming, or services in your country. Publications are not stocked at the address given below; requests for IBM publications should be made to your IBM representative or to the IBM branch office serving your locality. A form for reader's comments is provided at the back of this publication. If the form has been removed, comments may be addressed to: Washington Systems Center, 18100 Frederick Pike, Gaithersburg, MD 20879. IBM may use or distribute any of the information you supply in any way it believes appropriate without incurring any obligation whatever. You may, of course, continue to use the information you supply. © Copyright International Business Machines Corporation 1987 Abstract This Technical Bulletin contains information pertinent to the IBM 3090 family of processors. It is intended for IBM and Customer personnel ·who have planning responsibilities for the installation of any of these processors. The overall design of this document is to provide information about each of the processors and the operating systems and major products that support these processors. This document is structured into seven major chapters: Family Comparisons, Logical Components, Software Considerations, Installation Topics, Partitioning Topics, Virtual Storage Considerations and Bibliography. A brief description of each chapter follows: 1. Family Comparisons - This chapter contains a single page on each of the processors in the IBM 3090 family listing the standard and optional features of each. Also included are comparison summaries of the various models. 2. Logical Components - This chapter focuses on the logical components of the IBM 3090 processor family. A description of each of these components and how they are implemented in each member of the IBM 3090 processor family is provided. The unique implementations include: uniprocessor (120E, 150, 150E, 180, 180E), two-way (dyadic) processor (200, 200E), three-way (triadic) processor (300E), four-way processor (400, 400E), and six-way processor (600E). 3. Software Considerations - This chapter contains an overview of the sup­ porting software for the 3090 family. It describes the changes incorporated into MVS/XA 2.1.3, MVS/XA 2.1.7, MVS/XA 2.2.0, MVS/370 1.3.5, VM/XA Systems Facility, VM/High Performance Option, VM/XA System Product, and the major supporting products (JES, EREP, IOCP, and RMF). 4. Installation Topics - This chapter focuses on the major installation consider­ ations that are pertinent to all models of the IBM 3090 family. 5. Partitioning Topics - This chapter contains considerations that are primarily applicable to the "partitionable" processors in the 3090 family. These are the Models 400, 400E, and 600E. 6. Virtual Storage Assessment - This chapter provides considerations for the use of virtual storage, why it is important not to run out, some recommendations for the current use of virtual storage, a list of IBM products that provide Virtual Storage Constraint Relief (VSCR), and the highlights of the amount of relief expected from some of these products. 7. Bibliography - This chapter contains a bibliography for the 3090 family of processors. There is a description of each document that should assist the reader in choosing which documents should be used for specific points of ref­ erence. Abstract iii iv IBM 3090 Reference Preface The primary intent of this document is to serve as a composite source of plan­ ning and installation reference material for IBM 3090 Processors. The document does not obsolete previously available Systems Center technical bulletins on 3090 processors. Information contained in this document consists of original material and material obtained from other sources, including technical bulletins, flashes, and standard IBM publications. The approach taken by the authors in the preparation of this document was to provide a handy reference for 3090 processor planning and installation informa­ tion that would suffice for most situations. If additional detail on a particular topic is required, then existing Systems Center technical bulletins and standard IBM publications should be used. A list of such documents is provided in Chapter 7, Bibliography. Preface V Vi IBM 3090 Reference Summary of Amendments This edition contains additional information, since the April 1987 version, about the IBM 3090 family of processors. These additions fall into the following categories: • New 3090 Models and features: 3090 Model l20E Additional Expanded Storage on Models 200E, 300E, 400E, and 600E 4.5Mb/sec Block Channel Support for all 3090 models The Multiple High Performance Guests Support Feature on all E-models • New Software Support: VM/SP System Product Releases l and 2 MYS/SP 2.2.0 VIO support for Expanded Storage IOCP support for additional channels and 4.5Mb/sec channel support • SEC 223630 Contents: Function and Features Operational Enhancements and Changes • Miscellanous changes: HSA Expansion Increased Extended SQA Requirements Setting Machine Check Thresholds for Storage Errors Procedures for attaching 3480 to Processor Controller (PCE) Steps required to enable 4.5Mb/sec channel support Partitioning the 3090 with an MSS attached • Additions to the Bibliography: Technical Bulletins Operations Guides Recovery Guides Educational Offcrings Summary of Amendments Vii viii IBM 3090 Reference Contents Chapter 1. IBM 3090 Family Comparisons . • . • . • . • . • . • . • . • • • . 1 Model 150 ................................................. l Model 180 ................................................. 2 Model 200 ................................................. 3 Model 400 ................................................. 4 Model 120E . 5 Model 150E . 6 Model 180E . 7 Model 200E . 8 Model 300E . 9 Model 400E ............................................... 10 Model 600E . 11 Comparison Summaries 12 Chapter 2. IBM 3090 Logical Components . 19 Logical Components . 19 Central Processors . 19 · Instruction Element 20 Execution Element ..................................... 20 Buffer Control Element .................................. 20 Vector Facilities ....................................... 20 Multiple High Performance Guests Support ................... 20 System Control Element ................................... 20 Processor Storage ........................................ 21 Central Storage ........................................ 21 Expanded Storage ...................................... 22 Channels .............................................. 23 Status-Verification Facility . 24 Processor Controller ...................................... 25 PCE Attached Devices .................................. 26 PCE Operating States - Single Image ........................ 28 PCE Operating States - Partitioned ......................... 29 Remote Support Facility ................................. 29 Problem Analysis ...................................... 30 Service Update ........................................ 30 System Status Recording .................................. 30 Single Points of Failure ...................................... 31 Logical Components Summary ................................. 32 Chapter 3. Software Considerations . • . 35 MVS/XA Support . 35 MYS/SP 2.1.3 . 36 Overview . 36 Expanded Storage Support . 37 Operator Command Changes . 39 Frame Deallocation ..................................... 39 Dispatcher Enhancement . 40 Available
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