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This book presents an exposition of the technology, design, organization, and structure of direct access storage devices (disk drives). It includes a discussion of the evolution of the technology (magnetic recording) and an assessment of other storage technologies, including optical recording. Examples of codes used in past implementations of disk drives as well as an application of disk drive usage dictated by reliability considerations are also included. The presentation assumes a minimum knowledge of magnetic recording, servomechanism design, and coding.
Unlike networking technology, where there is already a great deal of literature available, many professionals still need to understand the basic building blocks of storage networking. This book provides vendor-neutral, independent analysis and terminology.
Is direct access storage device (DASD) technology keeping up with computer center needs for high-speed data storage and retrieval? Anticipated growth in disk storage is underestimated due to increased