Electrical computers and digital processing systems: memory – Storage accessing and control – Specific memory composition
Patent
1999-09-16
2000-07-18
Cabeca, John W.
Electrical computers and digital processing systems: memory
Storage accessing and control
Specific memory composition
711171, 711207, 711208, 711209, G06F 1208
Patent
active
060921501
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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Sokolov Daniel John
Williams Jeffrey L.
Cabeca John W.
Shara Milad G.
Tran Denise
Western Digital Corporation
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