CA Dynam for VSE User Guide

Chapter 4: Disk File Management
Basic Components ........................................................................... 4-2
Allocate Disk Space....................................................................... 4-2
Catalog File .............................................................................. 4-6
Temporary Data Sets ..................................................................... 4-8
Logical Units ............................................................................. 4-9
File Type................................................................................. 4-9
Default Allocation Support ............................................................... 4-10
Managing the VTOC ......................................................................... 4-10
VTOC Indexes........................................................................... 4-11
Processing the VTOC .................................................................... 4-11
Building the VTOC Index ................................................................. 4-11
Searching the VTOC ..................................................................... 4-12
Creating New VTOC Records ............................................................. 4-12
Deleting Expired Files.................................................................... 4-13
Indexed VTOC Processing ................................................................ 4-13
Defining File ID Option Codes ................................................................ 4-14
Syntax Conventions ..................................................................... 4-14
Common Syntax Errors .................................................................. 4-14
Controlling Generation Data Sets............................................................. 4-20
Defining Generation Data Sets ........................................................... 4-20
Changing Generation Numbers ........................................................... 4-21
Deleting Generation Data Sets ........................................................... 4-22
Generation Data Set Option .............................................................. 4-22
Automatic Volume Assignment and Recognition (AVR) ......................................... 4-24
Using AVR Processing.................................................................... 4-24
Bypassing AVR Processing ............................................................... 4-24
Selecting Logical Units....................................................................... 4-25
Overriding SYS Numbers................................................................. 4-25
Specifying Other Option Codes ........................................................... 4-25
LUB Availability ......................................................................... 4-26
SYS Number Considerations.............................................................. 4-26
Modifying Logical Unit Assignments (LUBS) ................................................... 4-27
Dynamic LUB Allocation.................................................................. 4-27
Defining LUB Ranges .................................................................... 4-27
COMLUB Option Record Processing ....................................................... 4-28
LUB Assignments........................................................................ 4-28
Extending ISAM Files ........................................................................ 4-29
Adding a File to the Catalog.................................................................. 4-29
Controlling Disk Pools ....................................................................... 4-30
Defining Disk Pool Volumes (COMPOOL) .................................................. 4-30
Rotating Disk Pool Volumes .............................................................. 4-31
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User Guide