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1. (WO2014209915) DYNAMIC RAID CONTROLLER POWER MANAGEMENT

Pub. No.:    WO/2014/209915    International Application No.:    PCT/US2014/043735
Publication Date: Thu Jan 01 00:59:59 CET 2015 International Filing Date: Tue Jun 24 01:59:59 CEST 2014
IPC: G06F 1/32
G06F 11/30
G06F 13/14
Applicants: WESTERN DIGITAL TECHNOLOGIES, INC.
Inventors: PHONG, San A
KLEIN, Barry L.
MARONEY, John E.
Title: DYNAMIC RAID CONTROLLER POWER MANAGEMENT
Abstract:
A method for reducing power consumed by a storage array controller in a storage array that comprises a plurality of physical communication interfaces such as PHYs. The method may comprise monitoring each of the plurality of physical communication interfaces. For each of the plurality of physical communication interfaces, it may be determine whether a data storage device is coupled thereto and each physical communication interface to which a data storage device is not coupled may be turned off to thereby reduce power dissipation in the controller and reduce a temperature thereof.