Retirement of physical memory based on dwell time

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United States of America Patent

PATENT NO 9390003
APP PUB NO 20150161035A1
SERIAL NO

14100138

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Abstract

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In at least one embodiment, a data storage system includes a non-volatile memory array including a plurality of regions of physical memory. The data storage system further includes a controller that controls read and write access to the memory array and retires selected ones of the plurality of regions of physical memory from use. The controller determines whether or to not to retire a particular region among the plurality of regions of physical memory from use based on a dwell time of data stored in the particular region.

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Patent Owner(s)

  • INTERNATIONAL BUSINESS MACHINES CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fisher, Timothy J Cypress, US 91 1180
Fry, Aaron D Richmond, US 63 767

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