Electrical computers and digital data processing systems: input/ – Input/output data processing – Peripheral adapting
Reexamination Certificate
2006-11-28
2009-02-17
Patel, Niketa I (Department: 2181)
Electrical computers and digital data processing systems: input/
Input/output data processing
Peripheral adapting
C714S001000, C714S002000, C714S006130, C714S100000
Reexamination Certificate
active
07493432
ABSTRACT:
A storage system with excellent failure tolerance is provided. The storage system has redundant controllers. A first controller has a first memory for storing the data read/written from/to a storage device and control information concerning the reading/writing of data in the storage device. A second controller has a second memory for storing the data read/written from/to the storage device and control information concerning the reading/writing of data in the storage device. The first memory is structured so that it can be accessed from the second controller. The second memory is structured so that it can be accessed from the first controller.
REFERENCES:
patent: 6681339 (2004-01-01), McKean et al.
patent: 2001/0001871 (2001-05-01), Shrader et al.
patent: 2004-110503 (2002-09-01), None
patent: 2005-157576 (2003-11-01), None
“Fully Buffered DIMM”, Elpida Memory, Inc., http://www.elpida.com, 2007, 2 pages total.
Abe Seiichi
Fukazawa Tatsuhiko
A. Marquez, Esq. Juan Carlos
Fisher Esq. Stanley P.
Hitachi , Ltd.
Patel Niketa I
Reed Smith LLP
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