Data storage device and storage method in which algorithms are p

Details Data storage device and storage method in which algorithms are p Data storage device and storage method in which algorithms are p

1996-07-30

1999-04-06

Bragdon, Reginald G.

Electrical computers and digital processing systems: memory

Storage accessing and control

Hierarchical memories

711134, 711136, 711160, 711113, 711161, G06F 1212

Patent

active

058931392

ABSTRACT:
A plurality of data storage media which are constructed in a hierarchical structure of a plurality of levels having different access times and have different access information items are provided, a data storage medium into which data is to be stored is selected according to the access frequency of data, and data is stored according to the result of selection. At the time of data relocation between the data storage media of different hierarchies or between the data storage media of the same hierarchy, one of a plurality of relocation measures is selected according to the characteristics of the data storage media and the characteristic of data to be stored and then data is relocated according to the selected relocation measure.

REFERENCES:
patent: 5155835 (1992-10-01), Belsan
patent: 5313631 (1994-05-01), Kao
patent: 5355475 (1994-10-01), Tanaka et al.
patent: 5495457 (1996-02-01), Takagi
patent: 5584018 (1996-12-01), Kamiyama

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