What is Direction for z/OS and what does it do?
Direction for z/OS is a Windows-based tool used for DASD performance modeling. It helps predict the impact of DASD configuration changes or upgrades on system performance.
How does Direction for z/OS predict performance?
Direction for z/OS analyzes I/O patterns, device utilization, and workload characteristics to simulate performance under different DASD configurations. It uses mathematical models and simulation techniques to predict response times, throughput, and other key performance indicators.
What types of DASD configurations can be modeled?
Direction for z/OS can be used to model various DASD configurations, including different storage device types (e.g., SSD, HDD), RAID levels, and caching strategies. It allows users to evaluate the performance impact of these changes before implementing them in a production environment.
How is the DASD environment defined in Direction for z/OS?
Direction for z/OS uses configuration files to define the DASD environment, including device characteristics, connectivity, and workload parameters. These files are typically created or modified using the GUI.