Storage management hardware
The use of Data Facility Storage Management Subsystem (DFSMS) requires storage management hardware that includes both direct access storage device (DASD) and tape device types. This chapter provides an overview of both storage device categories and a brief introduction to RAID technology.
For many years, DASDs have been the most used storage devices on IBM eServer™ zSeries systems and their predecessors. DASDs deliver the fast random access to data and high availability that customers have come to expect. This chapter ...
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