GFS/Stack - Automatic Multi-File

Eliminates waste in tape library resources, providing real savings, by allowing full volume occupation of any media capacity during runtime, quickly releasing thousands of tapes.  

GFS/SOM - Storage Optimization Manager

Focuses on two important tape storage requirements; optimization and migration. It allows writing to disk the files that would originally have been written into magnetic tapes and allows files to migrate to different tape storage technologies.

VSAM Manager

Management of VSAM KSDS files that guarantees performance improvements, higher availability and smaller maintenance costs.