CA Dynam for VSE User Guide

Chapter 6: Controlling File Independence
Introducing CA Dynam/FI..................................................................... 6-1
Supported Program DTF Types ................................................................ 6-2
Physical Files ................................................................................ 6-3
Restrictions on DTF Types .................................................................... 6-3
Special Considerations .................................................................... 6-3
Unsupported DTFs........................................................................ 6-3
Hierarchy of File Information.................................................................. 6-4
Unit Record Simulation ....................................................................... 6-4
CICS Command Level Preprocessor Support................................................ 6-6
CICS Macro Level Preprocessor Support.................................................... 6-7
Dynamic File Sorting ......................................................................... 6-8
Changing File Characteristics ................................................................ 6-10
TLBL/DLBL Extensions and Format........................................................ 6-10
TLBL Statement ......................................................................... 6-11
DLBL Statement......................................................................... 6-15
Cataloged Data Set Definitions ........................................................... 6-20
Considerations for CA Dynam/FI Options.................................................. 6-21
Storage Requirements ................................................................... 6-22
Block Sizes and Logical Record Lengths ................................................... 6-22
Concatenated Data Sets ................................................................. 6-24
Controlling System Actions .................................................................. 6-26
Setting System Controls - SET Statement ................................................. 6-26
SYSLOG Support - ASSGN Statement ..................................................... 6-28
Operator Device Switching Facility ........................................................... 6-34
Requirements ........................................................................... 6-35
Operation ............................................................................... 6-35
Restrictions ............................................................................. 6-36
Using Other Software with CA Dynam/FI...................................................... 6-36
With CA Dynam/D and CA Dynam/T ...................................................... 6-36
With System Utilities .................................................................... 6-38
With Sort Packages...................................................................... 6-39
With Existing Programs .................................................................. 6-40
Limiting File-independence Processing .................................................... 6-42
Direct Access File Independence Facility (VCKD) .............................................. 6-43
Utility Programs ......................................................................... 6-43
Record Formats ......................................................................... 6-43
Data Records ........................................................................... 6-43
System Restrictions ..................................................................... 6-44
Activating VCKD......................................................................... 6-44
VCKD File Parameters ................................................................... 6-44
FBA Disk Files ........................................................................... 6-46
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User Guide