VSAM Management

VSUM VSAM Analysis Tool

VSUM offers powerful design, monitoring, and tuning capabilities for VSAM catalogs and datasets, providing improved DASD-space utilization and job run performance through the efficient design and tuning of existing datasets.

• With VSUM, time spent scanning VSAM catalog listings and performing complex space calculations for new and existing data sets is greatly reduced, saving personnel hours of valuable time
• VSUM can be executed either ONLINE using an ISPF interface or BATCH
• Provides five major functions, which simplify many of the routine and complex tasks necessary for effective VSAM dataset design and management
  • An extended catalog search/list function to provide intelligent search capabilities based on over 100 individual catalog search parameters
  • A dataset modeling and design feature to provide a simpler and more effective method for designing all types of VSAM datasets—support for SMS controlled files and extended addressing is nowavailable
  • A dataset recommendations feature, which makes tuning and design recommendations for datasets being listed or analyzed
  • A dataset space utilization analysis and backup option to interrogate a complete or user-specified part of a VSAM dataset and produce a variety of valuable statistics
  • Batch dataset analysis reports can be generated from statistics that can optionally be saved by VSUM