Striping Policy as a Design Parameter for MEMS-based Storage Systems


Khatib, M.G. and Zwaag, B.J. van der and Viegen, F and Smit, G.J.M. (2006) Striping Policy as a Design Parameter for MEMS-based Storage Systems. In: Second International Workshop on Software Support for Portable Storage, IWSSPS 2006, October 26, 2006, Seoul, Korea.

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Abstract:Storage devices based on MEMS (Micro-Electro-Mechanical Systems) are suitable as secondary storage for future (mobile) computer systems. They are non-volatile and execute a high level of parallelism. In a MEMS-based storage system, many (i.e., 100s or 1000s) read/write heads or probes operate simultaneously. Due to this parallelism, MEMS-based storage systems face a design challenge: how should a data block be striped across the active probes, called the striping policy?

In this paper, we discuss how the striping policy, as a design parameter, impacts two key characteristics of MEMS-based storage system in opposite ways. These characteristics are the service time and effective capacity. As these objectives are conflicting, there is no optimal design but a variety of design choices represented as trade-offs. We show a dependency on the workload of the trade-off.
Item Type:Conference or Workshop Item
Electrical Engineering, Mathematics and Computer Science (EEMCS)
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