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 now available
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