VSAM is a powerful, flexible file management system and a major asset to any mainframe datacenter; however, it can also be a liability if it is not managed properly.
VSAMTune is a disk and data management software tool that allows system programmers to monitor the VSAM environment and fine tune performance to reduce CPU and disk consumption. VSAMTune also provides usage statistics to assist capacity planning and can automate many of the time-consuming tasks faced by data administrators.