Storage system and storage control method achieving both...

Details Storage system and storage control method achieving both... Storage system and storage control method achieving both...

2006-08-08

2009-06-02

Sough, Hyung S (Department: 2188)

Electrical computers and digital processing systems: memory

Storage accessing and control

Specific memory composition

C711S114000, C713S320000

Reexamination Certificate

active

07543108

ABSTRACT:
A storage system connected to a host device from which IO commands are sent comprises a plurality of load devices that act as loads including a plurality of storage devices, a current measuring unit that measures a current value flowing into the plurality of load devices, a power calculating unit that calculates at each time a power consumption value consumed by the plurality of load devices based on the measured current value, and a controller that receives an IO command from the host device, and accesses a storage device that follows the IO command out of the plurality of storage devices. The controller carries out power consumption control such that the calculated power consumption value is not more than a predetermined allowed power value and a difference between the power consumption value and the allowed power value is as small as possible.

REFERENCES:
patent: 6583947 (2003-06-01), Hakamata et al.
patent: 7340623 (2008-03-01), Kato et al.
patent: 2000-149383 (1998-11-01), None
patent: 2000-293314 (1999-04-01), None

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