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MVT/VSE Initialization Guide Release 9.5 M309-0501

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MVT/VSE Initialization Guide Release 9.5 M309-0501 MVT/VSE Initialization Guide Release 9.5 M309-0501 This contains confidential and trade secret material of Software Pursuits, Inc. The contents of this document must not be distributed to unaut horized parties. Copyright © 2006 by Software Pursuits, Inc. All Rights Reserved. Last Revision: June 12, 2006 Document Name: MVTINIT.DOC Table of Contents Chapter 1 Introduction..........................................................................7 Additional Publications.......................................................................................... 7 Chapter 2 System Considerations ........................................................9 System Expiration.................................................................................................. 9 Using Supervisor Tables ........................................................................................ 9 LUB Table ............................................................................................................................... 9 "BG" COMREG Usage............................................................................................................ 9 TIMER Ownership................................................................................................................. 10 Non-LIBR/LIBR Library Migration .................................................................... 10 Multiple Logical Transient Areas (LTA)............................................................. 12 SVA and SDL Considerations ............................................................................. 12 MVT/VSE Subtask Support................................................................................. 13 Hardware.............................................................................................................. 14 Multi-path Devices................................................................................................................. 14 Shared Control Unit End (CUE)............................................................................................ 14 Use Of RPS (Rotational Position Sensing) With MVT/VSE................................................. 14 Access Methods ................................................................................................... 16 VSAM.................................................................................................................................... 16 BTAM.................................................................................................................................... 16 ISAM ..................................................................................................................................... 16 OPEN For Sequential And Direct Access Files..................................................................... 17 Named ENQ And Cross-region Communication................................................. 18 ENQ ....................................................................................................................................... 20 DEQ ....................................................................................................................................... 21 ENQRELSE ........................................................................................................................... 21 Posting ECB's For Another Region ....................................................................................... 22 Standard ENQ.......................................................................................................... 22 Named ENQ ............................................................................................................ 23 ENQ Without A Wait .............................................................................................. 23 Cross Region Communication................................................................................. 24 Cross Region Communication................................................................................ 25 Cross Region Communication................................................................................. 26 Chapter 3 Installation..........................................................................29 Planning For Installation......................................................................................... 30 Installation Timetable .......................................................................................... 30 Software Compatibility........................................................................................ 30 MVT/VSE Initialization Guide Page i Features unique to MVT/VSE ............................................................................................... 31 Unsupported Features ............................................................................................................ 31 Virtual Machine Support......................................................................................31 MVT/VSE And VM Handshaking ........................................................................................ 32 VM Considerations................................................................................................................ 32 Performance............................................................................................................. 32 Online Vs. Batch Guest Machines........................................................................... 33 Setting VM Guest Performance Options ................................................................. 34 The MVT/VSE Nucleus Under VM........................................................................ 34 Device Support Under VM...................................................................................... 34 SPOOL Use Under VM........................................................................................... 35 The VM Directory ................................................................................................... 36 USER Statement............................................................................................... 36 OPTION Statement .......................................................................................... 37 IPL Statement................................................................................................... 37 CONSOLE Statement....................................................................................... 37 Additional Notes On Consoles......................................................................... 38 SPOOL Statement ............................................................................................ 39 SPECIAL Statement......................................................................................... 40 DEDICATE Statement ..................................................................................... 41 MDISK Statement ............................................................................................ 41 LINK Statement ............................................................................................... 42 An MVT/VSE Profile EXEC................................................................................................. 43 Additional Considerations ..................................................................................................... 44 Hardware Compatibility..........................................................................................46 Installing MVT/VSE ................................................................................................47 Installation Disk Space Allocations .....................................................................47 Program Size Considerations ...............................................................................48 Customizing Procedures.......................................................................................49 Chapter 4 The MVT/VSE Nucleus..................................................... 51 Generating The MVT/VSE Nucleus .......................................................................51 Generating An Alternate Nucleus...........................................................................53 Specifying MVT/VSE Nucleus Options..................................................................54 Summary Of MVT/VSE Nucleus Macros............................................................54 NUCASSGN..............................................................................................................55 Operands/Options.................................................................................................55 Key Points ............................................................................................................55 Examples ..............................................................................................................56 NUCDEV...................................................................................................................57 Operands/Options.................................................................................................57 Key Points ............................................................................................................59 Page ii MVT/VSE Initialization Guide Examples.............................................................................................................. 59 NUCEND..................................................................................................................
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