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Using Intradisk Parallelism to Build Energy-Efficient Storage Systems
January/February 2009 (vol. 29 no. 1)
pp. 50-61
Sudhanva Gurumurthi, University of Virginia
Sriram Sankar, Microsoft
Mircea R. Stan, University of Virginia

Server storage systems use numerous disks to achieve high performance, thereby consuming a significant amount of power. Intradisk parallelism can significantly reduce such systems' power consumption by letting disk drives exploit parallelism in the I/O request stream. By doing so, it's possible to match, and even surpass, a storage array's performance for these workloads using a single, high-capacity disk drive.

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Index Terms:
disk drives, storage, parallelism, power, cost
Sudhanva Gurumurthi, Sriram Sankar, Mircea R. Stan, "Using Intradisk Parallelism to Build Energy-Efficient Storage Systems," IEEE Micro, vol. 29, no. 1, pp. 50-61, Jan.-Feb. 2009, doi:10.1109/MM.2009.21
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