Disk drive with cache segment providing adaptively managed chunk

Details Disk drive with cache segment providing adaptively managed chunk Disk drive with cache segment providing adaptively managed chunk

1997-11-24

2000-01-25

Cabeca, John W.

Electrical computers and digital processing systems: memory

Storage accessing and control

Specific memory composition

711129, 711173, G06F 1208

Patent

active

060187891

ABSTRACT:
The disk drive provides a method of adaptively managing a cache segment divided into chunks by defining an unavailable data type to be stored in an element of a chunk array which indicates that the chunk is not available, and defining an available data type to be stored in an element of the chunk array that indicates the chunk is available and that indicates the number of consecutive chunks that are available. The disk drive also computes a number of chunks needed to fit the request length and scans the chunk array to find a first available element whose available data type meets a predetermined criteria for the number of chunks needed to fit the request length.

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patent: 5915260 (1999-06-01), Sokolov
patent: 5937426 (1999-08-01), Sokolov

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