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Reduce Storage Occupancy and Increase Operations Efficiency with IBM zEnterprise Data Compression by Paolo Bruni, Maria Kroos Boisen, Gianmauro De Marchi, Franco Pinto

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zEDC and DFSMSdss
In this chapter, we describe the usage of Data Facility Storage Management Subsystem data set services (DFSMSdss) as the basic data mover for files. DFSMSdss is a direct access storage device (DASD) data and space management tool. DFSMSdss works on DASD volumes only in the IBM z/OS environment.
We describe how DFSMSdss uses the IBM zEnterprise Data Compression (zEDC) Express feature to reduce physical DASD space while working with sequential data sets.
We define the DFSMSdss parameters for the functions that explore the zEDC Express ...

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