Electrical computers and digital processing systems: memory – Address formation – Address mapping
Reexamination Certificate
2007-08-28
2007-08-28
Peikari, B. James (Department: 2189)
Electrical computers and digital processing systems: memory
Address formation
Address mapping
C711S206000, C711S209000, C370S379000, C370S392000, C370S399000, C709S238000, C709S245000, C710S026000, C710S316000
Reexamination Certificate
active
10663480
ABSTRACT:
Embodiments of the present invention are directed to systems and methods of controlling data transfer between a host system and a plurality of storage devices. One embodiment is directed to a virtualization controller for controlling data transfer between a host system and a plurality of storage devices. The virtualization controller comprises a plurality of first ports for connection with the plurality of storage devices each having a storage area to store data; a second port for connection with the host system; a processor; and a memory configured to store volume mapping information which correlates first identification information used by the host system to access a first storage area in one of the storage devices, with second identification information for identifying the first storage area, the correlation being used by the processor to access the first storage area. When data stored in the first storage area is transferred to a second storage area in one of the storage devices, the processor correlates the first identification information with a third identification information for identifying the second storage area and registers the first identification information and the third identification information in the volume mapping information.
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paten
Honda Kiyoshi
Iwami Naoko
Serizawa Kazuyoshi
Hitachi , Ltd.
Mattingly ,Stanger ,Malur & Brundidge, P.C.
Peikari B. James
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