Storage apparatus and power saving method thereof

Details Storage apparatus and power saving method thereof Storage apparatus and power saving method thereof

2011-08-30

2011-08-30

Ho, Hoai V (Department: 2827)

Static information storage and retrieval

Powering

Conservation of power

C713S320000, C706S021000, C711S114000, C711SE12001

Reexamination Certificate

active

08009501

ABSTRACT:
This storage apparatus includes an access history storage unit for storing, when there is a write request for writing data into the data storage unit or a read request for reading data stored in the data storage unit, history of the write request or read request as access history, an operational information storage unit for storing operational information showing whether the data storage unit is operating, an access prediction unit for predicting whether the data storage unit will be accessed based on the access history, and an operational control unit for performing operational control of pre-starting the data storage unit when the data storage unit is shut off and the access prediction unit predicts that the data storage unit will be accessed, or stopping the data storage unit when the data storage unit is operating and the access prediction unit predicts that the data storage unit will not be accessed.

REFERENCES:
patent: 2004/0193787 (2004-09-01), Takizawa
patent: 2005/0149668 (2005-07-01), Suzuki et al.
patent: 2006/0075282 (2006-04-01), Borkenhagen et al.
patent: 2006/0193073 (2006-08-01), Hakamata et al.
patent: 2008/0104431 (2008-05-01), Shimada
patent: 2000-100053 (1998-09-01), None
patent: 2000-293314 (1999-04-01), None
patent: 2004-348876 (2003-05-01), None

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