Page of GC20-1801-10 As Updated April 1, 1981 by TNL GN25-0837
Contents
The entries in this Table of contents are accumulative. They' list additions to this
publication by the following VM/370 System Contol Program Products: • VM/370 Basic System Extensions, Program Number 5748-XX8 • VM/370 System Extensions, program Nu mber 57 48-XE 1
However, the text within the publication is not accumulative; it only relates to the one SCP program product that is installed on your system. Therefore, there may be topics and
references listed in this Table of contents that are not contained in the body of this
publication. SUMMARY OF AMENDMENTS ••••••••• xvii PART 1. PLANNING FOR SYSTEM GENERATION •• 1 INTRODUCTION.. • •••••••••• 3 Virtual Machine Operationg Systems •••• 3
Introduction to VM/370 System Generation .3 PERFORMANCE GUIDELINES • • •••••••• 7
Performance Measurement and Analysis .7
using the Performance Options ••••••• 8 Specifying a virtual=Real Machine.. .9
Reserving DASD Space for a CP Nucleus
with a Virtual=Real Area ••••••• 10 Virtual Storage Requirements ••••• 11 Specifying the Amount of virtual=Real
space • • • • • • • • • • • • • Virtual Machine Assist • • • • • • VM/370 Extended Control-Program Support • • • • • • • • • • • • PLANNING CONSIDERATIONS FOR CMS •• CMS Storage Requirements • Auxiliary storage •• Device Support • • • • CMS Libraries ••••• CMS Command Language CMS Program Language Facilities •• CMS Text processing Facility •• Limited Support of OS and DOS in CMS • DL/I in the CMS/DOS Environment. CMS Disk and File Management • Disk Access. • • • • • ••• File Sharing • • • • • • CMS Disk File Format • • Identifying Disk Files • Tape Support • • • • CMS unit Record Support. Card Reader. • • • • • Card punch • • • • • • Card Punch (5748-XX8). Card Punch •• Printer •• Editing ••• CMS Batch Facility Saving CMS • • • • 11 • 17 • 18 • 19
19
19 • 20 • 21 • 22 • 23 • 24 • 24 • 25 • 25 • 25 • 26 • 26 • 27 • 27 • 28 • 28
28
28. 1
28. 1 • 29 • 29 • 29 • 30 PLANNING CONSIDERATIONS FOR CMS VSAM AND ACCESS METHOD SERVICES. • • • • • 31
Hardware Devices Supported ••••••• 31
programming Languages Supported. •• 32
Data Set CompatibiLity Considerations. • 32 ISAM Interface Program (lIP) • • • • • 32 User Requirements and Considerations • • 33
Distribution of .VSAM and CMS •••••• 33
Planning Considerations for Installing VSAM Under CMS ••••••• 33
Planning Considerations for Installing VSAM Under CMS • • • • • • • 33
PLANNING CONSIDERATIONS FOR CMS/DOS ••• 35 DOS/VS System Generation Considerations. 35 DOS/VSE System Generation Considerations ••••••••••••••• 35 DOS/VSE System Generation Considerations (57.!!8-XEj) ••••••••••••••• 35 When the DOS/VS System Must Be Online. • 35 When the DOS/VSE system Must Be Online ••••••••••••••• 36 When the DOS/VSE System Must Be Online (5748-XE1) ••••••••• CMS/DOS Tape Handling. • • • eMS/DOS Tape Handling CMS/DOS Tape Handling (57.!!8-!E1) Standard Label Cylinder. • • • • • Standard Label Cylinder Standard Label Cylinder PLANNING CONSIDERATION FOR VIRTUAL MACHINE OPERATING SYSTEMS (OTHER THAN • 36
36 • 37 • 37
36 • 37 • 37 CMS). • • • • • • • • • • • • • • • • • 39
The VM/VS Handshaking Feature •••••• 39
Multiple virtual Machines Using the Same Operating System. • • • • • • • • • 40 The R SCS Virtual Machine • • • • 41 RSCS Planning Considerations • q1 VM/370 Using Channel Switching • • 42 Channel-Set Switching Facility 45 Operating Systems Using Reserve/Release. 46 Sha red DASD. • • • • • • • • • • • • .. 47 Virtual Reserve/Release. • • • • • • • 48 VM/370 Control Program Handling of a
Reserve CCW •••••••••••• 48.1 Restrictions: Device Sharing Between
Real Processors •••••••••• 48.3 Contents vii

Paqe of GC20-1801-10 As Updated April 1, 1981 by TNL GN25-0837
Restrictions: Device/Minidisk Sharing on a sinqle Processor. 48.3
Logical Device Support Facility
( 5 7 8- • • • • • • • • • • • 4 8. 3
Loqical Device Support Facility '-2148- XJ;;j). • • • • • • • • • • • 48. 3 Virtual Machine Communication Facility 48.3
virtual Machine Communication Facility (.21.!! 8- • • • • • • • • • • • • • 48.4
virtual Machine Communication Facility (.2748-X]1). • • • • • • • • • • • 48.4 Sum mar y 0 f V M C F Fu n ct ion s • e • .. • 4 9
PLANNING CONSIDERATIONS FOR 3270S. • 51
Remote Attachments. . • • • • • • • 51 Support on Binary Synchronous lines 52
Remote Hardware Confiquration Supported 52 System Generation Requirements for
Remotely-Attached Display Systems • 53
The CLUSTER Macro. • • • • • • • • 54 ""T.'IT"loMT'l"'" u-. __ _ ..... .u.i..'L.l .... ".lU,-.LV ••• The RDEVI CE Macro. • • • • • • • The Resource Identification Codes •• An Example of a Remote 3270 • 54 • 56
Configuration • • • • • ••••••• 57
Local Attachments •••••••••••• 59
Local Hardware Confiquration Supported • 60 Control Units. • • 60 Terminals. • • • • • • • • • • 61
printers • • • • • • • • • • • 62
System Generation Requirements for
Locally-Supported Display Systems • 62
GENERATING A VM/370 SYSTEM THAT SUPPORTS' THE 3704/3705 • • • . • • • • • • • 63
Coding the RDEVICE Macro ••••••• 63
Special Considerations RDEVICE Macro • • Creating an Entry in the
Table • • • • • • • Reserving DASD Space for
Control program Image.
Alternate Path Support • for Coding the · · · · · System Name · · · · · the 3705/3705 · · · · . · · · · · · · · · GENERATING A VM/370 SYSTEM THAT SUPPORTS 66
68
68
68
THE 3800 IMAGE LIBRARY. • •••• 69
Codinq the RDEVICE Macro • • 69
Hardware supported . • • • • 70 Related Publications . • • • 70 Creating and Updatinq a 3800 Named
Systeme supported • • • • • 70 3850 MASS STOFAGE SYSTEM • • 71
Generating a VM/370 System that Supports a 3850. • • • . • • • • • • ••• 71
Hardware Supported •••••••••. 71
Special Considerations for the VS1/VS2 Central Server Virtual Machine. • 74
Defininq the MSS Communication
Devices • • . • • • • • • • •• 74. 1 The Mass Storaqe Control Tables ••• 74.1
Creatinq MSS Volumes. • • • • • • 75
Copyinq 3330-1 Volumes to 3330V Volumes • • • • • • • • • • 76 Usinq 3330V Volumes for 1S System
Residence • . • • • 76
The V M /3 7 0 F D E V ICE M a cr 0 • • • • • • • 7 6 SAVED SYSTEMS. • • • • • • • • • • DISCONTIGUOUS SAVED SIGMENTS ••• Using Discontiguous Saved Segments
Special Considerations for using the
79 · 81
82 Saved Segment CMSZER Special Considerations for Using the Saved Segment CMSZER (57!8-!J;;1) • 84 • 84 SMALL CP OPTION (.21.!!8-XX8) ATTACHED PROCESSOR SYSTEMS • DMKAMAC MACLIB = •••• = • Modules Containinq AP Support. • • • • 84 • 85
85 • 85
ESTIMATING VM/370 STORAGE REQUIREMENTS • 87
Real Storage Requirements for CP • • • • 87
Reducing the Size of the CP Nucleus. • • 89
Direct Access Storage Requirements for CPo • • • • • • • • • • • • • • 90 CP Nucleus DASD Requirements • 90 ,........... _" .. _. T"I>. ...... ""'" 'r""'I , _ • • • • • • • • • • 90.2 CP Nucleus DASD Requirements (.2 748- X]1). • . • • • • • • • 9 0 • 2
Error Recordinq DASD Requirements ••• 91
Warm Start Data DASD Requirements ••• 91
Checkpoint Start Data DASD Requirements ••••••••••••• 91 VM/370 Directory DASD Requirements •• 91 Saved System DASD Requirements •••• 91
Paging and Spooling DASD Requirements. 91 VSAM and Access Method Services Requirements. • • • • • • • • • • 92 IPCS Requirements. • • • • • • • • • 92
External Storage • • • • • •••• 92
Real Storaqe • • • • • • • • • • • 93
Estimating DASD Storage Requirements for CMS Minidisks •• • • • • • • • 93 MINIDISKS. • • • • ••• Defining Minidisks • • • ••• Minidisks Space Allocation • Track Charactristics ••••••• Al ter na te Tracks • • • • • • • • • Alternate Tracks/Blocks Alternate Tracks/Blocks 3330/3350 Disks ••••• 3340 Disks • • • • ••• 2314/2319 Disks •••••• FB-512 Disks FB-512 Disks Labels • • • • • • • • • • • Labels • • • • Labels (.21.!!8-X]1). Sharing Minidisks ••••• CONFIGURATIONS ••••• VM/370 Minimum Configuration • Configurations Supported by CMS •• Configurations Supported by RSCS • Devices Supported by VM/370 •••• Processors • • • • • • • • • • • • Processor Required Features and Facilities •••••••••• Desirable Features ••••• Direct Access storage Devices.
Magnetic Tapes • • • • • • •• • 95 • 95 • 97 • 98 • 98 • 98 • 98 • 98 • 98 • 100 • •• 100 • • 100 .100 • • • 101 • • • 101 • 101 • • • 103 • • • 103 • • • 104 .104 .105 • 106 • 106 · . • 107 • 10 9 • 110 viii IBM VM/370 ?lap-nning and System Generation Guide