Electrical computers and digital processing systems: memory – Storage accessing and control – Hierarchical memories
Reexamination Certificate
2005-04-21
2008-11-04
Peikari, B. James (Department: 2189)
Electrical computers and digital processing systems: memory
Storage accessing and control
Hierarchical memories
C711S173000, C711S171000, C711S170000, C711S133000
Reexamination Certificate
active
07447843
ABSTRACT:
An object of the present invention is to provide a storage system which is shared by a plurality of application programs, wherein optimum performance tuning for a cache memory can be performed for each of the individual application programs. The storage system of the present invention comprises a storage device which provides a plurality of logical volumes which can be accessed from a plurality of application programs, a controller for controlling input and output of data to and from the logical volumes in response to input/output requests from the plurality of application programs, and a cache memory for temporarily storing data input to and output from the logical volume, wherein the cache memory is logically divided into a plurality of partitions which are exclusively assigned to the plurality of logical volumes respectively.
REFERENCES:
patent: 4425615 (1984-01-01), Swenson et al.
patent: 5519831 (1996-05-01), Holzhammer
patent: 5717893 (1998-02-01), Mattson
patent: 5966729 (1999-10-01), Phelps
patent: 6151660 (2000-11-01), Aoki
patent: 6347358 (2002-02-01), Kuwata
patent: 6356978 (2002-03-01), Kobayashi et al.
patent: 6591335 (2003-07-01), Sade et al.
patent: 6799244 (2004-09-01), Tanaka et al.
patent: 6966033 (2005-11-01), Gasser et al.
patent: 2001/0037433 (2001-11-01), Dempsey et al.
patent: 2003/0093647 (2003-05-01), Mogi et al.
patent: 1061449 (2000-12-01), None
patent: 0188720 (2001-11-01), None
D. Thiebaut, et al, “Improving Disk Cache Hit-Ratios Through Cache Partitioning”, IEEE Transactions on Computers, IEEE Service Center, vol. 41, No. 6, Jun. 1, 1992, pp. 665-676.
Ishikawa Atushi
Matsui Yuko
Hitachi , Ltd.
Mattingly ,Stanger ,Malur & Brundidge, P.C.
Peikari B. James
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