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IBM TotalStorage Enterprise Storage Server: A designer's view

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1 Author(s)
M. Hartung ; IBM Corporation, 9000 S. Rita Road, Tucson, Arizona 85744, USA

In this paper, we describe the background, objectives, and major decisions associated with the design of IBM TotalStorage™ Enterprise Storage Server® (ESS), IBM's high-end disk storage system. We first present a brief history of disk storage development over the past three decades and then describe ESS architecture and basic functions. Next we discuss the goals associated with the design of ESS and the methods used to achieve these goals. We then explore some design decisions that significantly affected ESS architecture and performance, and we conclude with some comments about possible future enhancements.

Note: The Institute of Electrical and Electronics Engineers, Incorporated is distributing this Article with permission of the International Business Machines Corporation (IBM) who is the exclusive owner. The recipient of this Article may not assign, sublicense, lease, rent or otherwise transfer, reproduce, prepare derivative works, publicly display or perform, or distribute the Article.  

Published in:

IBM Systems Journal  (Volume:42 ,  Issue: 2 )