Do you need DiskScope?
Vanishing disk space ? Poor I/O performance ? No time to investigate ? No resources for solutions ? Don’t know when, where & which
files are being RGZ’ed ? You NEED DiskScope !
DiskScope Benefits
Automatically recovers disk space Simplifies disk space monitoring Reduces disk space usage Saves effort, time and money Improves performance
Why is RGZ Neglected ?
Importance is under-valued during development
It is tedious to specify RGZPFM parameters for every file and member
Files are added to systems but RGZ code is not included
Development environments accumulate large volumes of data from batch testing but do not run clean up processes
File Reorganization
Automatically recovers disk space occupied by deleted records
Improves performance by reorganizing the physical sequence of records
Records ordered for high performance Removes the need for special clean up
processes RGZ files only when really needed
File Reorganization Features Define reorganization candidates
and selection criteria Schedule reorganization Trace of reorganization results Identify candidates specifically or
generically Secure files from RGZ
File RGZ Features (cont)
Selection criteria based on: % deleted records space in MB used by deleted
records % records Not in Key Sequence
(CHAOS Factor) - unique!
Disk Space Monitor
Identifies objects which consume large amounts of disk space
Identify objects which are rapidly increasing in size
Identify Files with large amounts of deleted records - candidates for RGZ
Disk Monitor Features
Define subjects - library groups Data collection - disk space usage List files which have significant amounts
of space used by deleted records Library comparison and status reports
sorted by size or name Library comparison and status reports by
subject (details or summaries)
Disk Monitor Features (cont) Object comparison and status
reports sorted by size or library and object name