Method and apparatus for accessing a striped configuration...

Details Method and apparatus for accessing a striped configuration... Method and apparatus for accessing a striped configuration...

2008-07-29

2008-07-29

Nguyen, Than (Department: 2187)

Electrical computers and digital processing systems: memory

Storage accessing and control

Specific memory composition

C711S111000

Reexamination Certificate

active

11054659

ABSTRACT:
Broadly speaking, a method and an apparatus is provided for processing access commands directed to a striped configuration of disks. More specifically, the method and apparatus determines a physical block address corresponding to a logical address in a redundant array of independent disks level 0 (RAID 0) system. Bit-level operations are incorporated to determine a disk in the RAID 0 system and a block number on the disk that corresponds to a particular logical address. Since the bit-level operations replace traditionally required division and modulo operations, the method and apparatus provides for more efficient processing of access commands directed to the RAID 0 system.

REFERENCES:
patent: 6775794 (2004-08-01), Horst et al.
patent: 2003/0145167 (2003-07-01), Tomita
patent: 2004/0133743 (2004-07-01), Ito et al.

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