Patent ID: 8055842
Filing Date: 2011-11-08
Classification: G06F

Abstract:
1. A method of using redundant array of independent disks (RAID) with ATA mass storage devices having different physical sector sizes, comprising: initializing a maximum physical sector size value to a predetermined minimum value; determining a first physical sector size reported by a first ATA mass storage device of the ATA mass storage devices in a RAID array; updating the maximum physical sector size value to equal the first physical sector size when the first physical sector size is greater than the maximum physical sector size value; determining a second physical sector size reported by a second ATA mass storage device of the ATA mass storage devices in the RAID array, wherein the second physical sector size is different than the first physical sector size; updating the maximum physical sector size value to equal the second physical sector size when the second physical sector size is greater than the maximum physical sector size value; and reporting the maximum physical sector size value to an operating system for a single storage device that is represented by the RAID array.