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LBA initialization to match the physical location with other HDDs for sync access

IP.com Disclosure Number: IPCOM000010191D
Original Publication Date: 2002-Nov-01
Included in the Prior Art Database: 2002-Nov-01

Publishing Venue

IBM

Abstract

There was a spindle sync function to enhance the performance to control multiple HDDs with single interface attachment at CHS accessing era, Cylinder/Head/Sector addressing method. When LBA accessing, Logical Block Address addressing, becomes common for HDD accessing, there is no direct relation for the specific sector between the physical location and LBA. This method enables the physically same sector to be allocated with the same LBA number with other HDDs. This enables the performance improvement when multiple HDDs used in parallel as single HDD.