Raid apparatus, cache management method, and computer...

Details Raid apparatus, cache management method, and computer... Raid apparatus, cache management method, and computer...

2011-03-15

2011-03-15

Thai, Tuan V (Department: 2185)

Electrical computers and digital processing systems: memory

Storage accessing and control

Specific memory composition

C711S004000, C711S100000, C711S111000, C711S112000, C711S114000, C711S115000, C711S161000, C711S162000, C710S005000, C710S006000, C710S039000, C710S040000, C710S052000, C710S240000, C710S244000, C710S263000, C710S264000, C718S102000, C718S103000

Reexamination Certificate

active

07908434

ABSTRACT:
A cache managing unit creates a list of elements corresponding to each data block arranged based on a priority of writing data blocks to a magnetic disk apparatus, and when a group of elements corresponding to data blocks to be written to the same magnetic disk apparatus exists, provides a link connecting elements at both ends of the group. A write control unit searches, upon selecting a data block for writing, elements belonging to the list in descending order of priority, and if a link is set at an element corresponding to a data block to be written to a magnetic disk that cannot perform a writing, follows the link to search a subsequent element.

REFERENCES:
patent: 5220653 (1993-06-01), Miro
patent: 6233700 (2001-05-01), Uchida
patent: 6253262 (2001-06-01), Rozario et al.
patent: 2003/0149839 (2003-08-01), Kuwata
patent: 5-303528 (1993-11-01), None
patent: 11-338775 (1999-12-01), None
patent: 2003-228461 (2003-08-01), None

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