Electrical computers and digital processing systems: memory – Storage accessing and control – Control technique
Reexamination Certificate
2005-11-23
2008-08-05
Lane, Jack A (Department: 2185)
Electrical computers and digital processing systems: memory
Storage accessing and control
Control technique
C711S113000, C711S114000, C711S147000, C711S154000, C711S111000
Reexamination Certificate
active
07409515
ABSTRACT:
A method of data exchange between volumes without using any unnecessary resource in a storage system includes allocating cache areas for data exchange on a memory, determining the location of data to be exchanged, reading out data from the determined location in source and destination volumes and storing data in their respective caches, and writing data stored in the cache to thus determined location of the volume different from the one that the data was read out.
REFERENCES:
patent: 6341333 (2002-01-01), Schreiber et al.
patent: 6675274 (2004-01-01), Lam et al.
patent: 6851019 (2005-02-01), Michel et al.
patent: 2002-32197 (2002-01-01), None
Hanai Tomohiro
Sakaguchi Akihiko
Hitachi , Ltd.
Lane Jack A
Mattingly ,Stanger ,Malur & Brundidge, P.C.
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