Patent ID: 9442676
Filing Date: 2016-09-13
CPC Classification: G06F

Claim Text:
1. A method for providing information of a drive letter, comprising: sending, by a central processor, a drive letter report request to a redundant array of independent disk (RAID) controller; receiving, by the central processor, a response from the RAID controller, wherein the response carries a number of a port of the RAID controller and an original location number of a disk in a RAID group under the control of the RAID controller, wherein the port of the RAID controller connects to an exchange chip connecting the central processor, and the original location number of the disk is a number of a port connecting the disk to the RAID controller when the RAID group was configured; and determining, by the central processor, a drive letter of the disk by using the number of the port and the original location number, of the disk.