Storage system

Details Storage system Storage system

2008-05-28

2011-11-15

Farrokh, Hashem (Department: 2188)

Electrical computers and digital processing systems: memory

Storage accessing and control

Control technique

C711S163000

Reexamination Certificate

active

08060711

ABSTRACT:
Provided is a storage system capable of holding data by associating main data for long-term retention with sub data for maintaining its readability. The storage system: stores first data in a first location within a storage area upon reception of a storage request for the first data with a first file identifier being specified; holds information for associating the first file identifier, the first location, a retention period of the data, and first version information with one another; stores second data in a second location within the storage area upon reception of a storage request for the second data with the first file identifier and second version information being specified; holds information for associating the first file identifier, the second location, and the second version information with one another; and inhibits the first data and the second data from being changed before elapse of the retention period of the data.

REFERENCES:
patent: 7155466 (2006-12-01), Rodriguez et al.
patent: 2003/0225793 (2003-12-01), Chakraborty
patent: 2006/0010177 (2006-01-01), Kodama
patent: 2006/0075001 (2006-04-01), Canning et al.
patent: 2006/0085487 (2006-04-01), Hara et al.
patent: 2008/0172563 (2008-07-01), Stokes

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