Storage apparatus, and method of stopping operation of add-on storage device which is in operation within the storage apparatus

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United States of America Patent

PATENT NO 7949799
APP PUB NO 20090063723A1
SERIAL NO

12196780

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Abstract

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A storage apparatus and method are provided. The storage apparatus including includes a basic storage device having a control unit and an add-on storage device configured to be connected to the basic storage device. The add-on storage device including a first request receiving unit receiving a first operation stop request output from the basic storage device to the add-on storage device second request receiving unit receiving a second operation stop request different from the first operation stop request, communication monitoring unit monitoring communication from the basic storage device, and operation stop processing unit performing processing for stopping the operation of the add-on storage device. The operation stop processing unit determines the validity of the second operation stop request on the basis of a monitoring result obtained by the communication monitoring unit, and stops the operation of the add-on storage device.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
FUJITSU LIMITEDKAWASAKI18047

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Honjo, Nobuyuki Kawasaki, JP 13 33
Otaka, Atsuhiro Kawasaki, JP 18 49
Satou, Hidetoshi Kawasaki, JP 9 19
Thielo, Oumar Kawasaki, JP 6 17
Yoshiya, Yukihiro Kawasaki, JP 9 147

Cited Art Landscape

Patent Info (Count) # Cites Year
 
INTERNATIONAL BUSINESS MACHINES CORPORATION (1)
* 6728601 Multiple host power control system and method 14 2001
 
SAMSUNG ELECTRONICS CO., LTD. (1)
* 5898880 Power saving apparatus for hard disk drive and method of controlling the same 46 1997
 
HITACHI, LTD. (1)
* 5905994 Magnetic disk controller for backing up cache memory 20 1996
* Cited By Examiner

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