Patent · US Active

Quad-state power-saving virtual storage controller

US8037332B2 · kind B2 · utility

3Cited by

5References

22Claims

0Family size

Assignee

International Business Machines Corporation · US

Inventors

Nils Haustein · Nieder-Olm, DE
Craig Anthony Klein · Tucson, US
Ulf Troppens · Mainz, DE
Daniel J. Winarski · Tucson, US
Rainer Wolafka · Bad Soden, DE

Key dates

Filing date	Apr 30, 2008
Grant date	Oct 11, 2011
Priority date	—
Expiry date	Jun 19, 2030

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02D10/00
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

A method, system and computer program product for reducing the collective power consumption of a plurality of storage devices including a plurality of associated storage volumes is provided. The storage volumes are grouped by a last access time according to a plurality of ranks. The plurality of ranks corresponds to a level of power consumption based on device activity. A volume of the plurality of storage volumes is moved between the plurality of ranks according to an access pattern of the volume.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.