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Method of Mapping Data Blocks of One Length to a Disk Drive with a Different Native Block Length

IP.com Disclosure Number: IPCOM000099051D
Publication Date: 2005-Mar-10
Document File: 4 page(s) / 278K

Publishing Venue

The IP.com Prior Art Database

Abstract

Modern disk drives manage the data stored on them as a collection of fixed length data blocks. Each block is identified with a logical block number (LBN) and a drive is generally formated so that blocks are most efficiently accessed in order of ascending logical block number. Drive protocols such as SCSI generally allow one to specify an LBN and a block count in read and write commands, under the shared assumption that blocks will be accessed in ascending order from the starting LBN.

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