Read/write disk drive having read ahead processor which...

Details Read/write disk drive having read ahead processor which... Read/write disk drive having read ahead processor which...

2006-06-06

2006-06-06

Padmanabhan, Mano (Department: 2189)

Electrical computers and digital processing systems: memory

Storage accessing and control

Specific memory composition

C711S154000, C711S213000

Reexamination Certificate

active

07058760

ABSTRACT:
A disk device having a read/write processing device to improve the efficiency of operations between write commands that have overlapping data, and to prevent delays in execution processing of starting commands. A read command advance processor unit that processes in advance the read commands for which there are unprocessed write commands in the command queue and a write command overlap data processor overwrites the existing write command write data overlap part when the new write command write data overlaps the write data from an existing write command.

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patent: 6219764 (2001-04-01), Jeddeloh
patent: 6415243 (2002-07-01), Mann
patent: 6832288 (2004-12-01), Ohta et al.

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