1.4. Major VSAM parts
There are two major parts to VSAM, catalog management and record management.
1.4.1. Catalog management
VSAM maintains extensive information about data sets and direct access storage space in an integrated catalog facility (ICF) catalog. The catalog’s collection of information about a data set defines that data set’s characteristics. All VSAM files must be defined in an ICF catalog.
In this book, we will not go into detail on Catalog Management. For more information, refer to the IBM Redbooks Enhanced Catalog Sharing and Management, SG24-5594, and Integrated Catalog Facility Backup and Recovery, SG24-5644.
1.4.2. Record management
The record management part of VSAM contains the access method code. In this book, when we ...
Get VSAM Demystified now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
