Performance-based grouping of storage devices in a storage system

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United States of America Patent

PATENT NO 9588690
SERIAL NO

14547366

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Abstract

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A computer determines an intrinsic read speed and an intrinsic write speed associated with a first disk and a second disk. The computer receives a request to read a portion of data, wherein the portion of data is stored redundantly on both the first and second disk. The computer identifies a first latency associated with reading the portion of data from the first disk, where the first latency is based on at least the intrinsic read speed and the intrinsic write speed associated with the first disk. The computer identifies a second latency associated with reading the portion of data form the second disk, wherein the second latency is based on at least the intrinsic read speed and the intrinsic write speed associated with the second disk. The computer determines that the first latency exceeds the second latency. The computer selects the second disk to read the portion of data.

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Patent Owner(s)

  • INTERNATIONAL BUSINESS MACHINES CORPORATION

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fluman, Mudi M Haifa, IL 22 89
Frank, Yaacov Ramot Meir, IL 18 79
Shiran, Yehuda Haifa, IL 37 516
Vatelmacher, Ronny Hod-Hashron, IL 7 31

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