Maxtor Corporation

Claude Camp

Serge Shats

Maurice L Schlumberger

Iouri Bagachev

A data gathering program executing on a host computer acquires the physical characteristics of an arbitrary disk drive. A variety of physical parameters of the disk drive can thus be discovered by the host computer system, including platter rotation time, the number and size of each track, the skew of the tracks relative to one another, and head seek, settle, and setup times.

Automatic acquisition of physical characteristics of a hard drive

Software executing in a hard disk drive's host computer system increases the perceived efficiency and performance of the hard disk drive. The host computer system implements a &ldquo;virtual disk&rdquo; that models physical parameters associated with the actual hard disk drive, such as seek time and physical location of the read/write heads. These parameters are used to implement host based disk drive optimization techniques such as command reordering and read-on-arrival commands.

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Pleasanton, CA, United States of America

Claude Camp