Patent ID: 6820168
Filing Date: 2004-11-16
Classification: G06F

Abstract:
A storage system wherein the systemreceives a command to which an ID number for identifying one of a plurality of OSs is attached, derives said ID number, and returns a response that indicates whether to process or reject the access to a logical volume with said ID number attached thereto, depending on whether the one of the plurality of OSs identified by said command is authorized to access the logical volume; wherein the storage system checks whether the one of the plurality of OSs by said command is authorized or not based on a table which includes authentication information of each of the plurality of the OSs, and wherein the storage system receives the authentication information of the plurality of OSs from a computer connected to the storage system by using a control frame and sets the authentication information into the table in advance, and wherein the command sent to the storage system includes said ID number coded in a data frame from which said storage system derives said ID number.