Storage-management computer-readable storage medium,...

Details Storage-management computer-readable storage medium,... Storage-management computer-readable storage medium,...

2011-07-19

2011-07-19

Verbrugge, Kevin (Department: 2189)

Electrical computers and digital processing systems: memory

Storage accessing and control

Specific memory composition

C711S147000, C711S162000, C711SE12001

Reexamination Certificate

active

07984238

ABSTRACT:
A storage-management apparatus and method that manages storage areas. The storage-management apparatus includes a collecting unit that collects valid-area-determination information items, each of which shows whether a corresponding one of the storage areas is a valid or invalid area, and timestamp information items, each of which shows that a corresponding one of the storage areas has been accessed. In accordance with the valid-area-determination information items and the timestamp information items, data from a storage area which is selected from among valid areas and whose timestamp information item is oldest is copied to a storage area which is selected from among invalid areas and whose timestamp information item is oldest, and timestamp information items and valid-area-determination information items concerning the storage area from which the data is copied and concerning the storage area to which the data is copied is updated.

REFERENCES:
patent: 04-168522 (1992-06-01), None
patent: 10-254637 (1998-09-01), None
Japanese Office Action issued Aug. 18, 2009 in corresponding Japanese Patent Application 2007-202600.

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