Patent ID: 6425049
Filing Date: 2002-07-23
Classification: G06F

Abstract:
A disk array system comprising:a disk storage group having at least one disk storage apparatus; an array controller reading data from, or writing data to, said disk storage group; a disk interface connecting unit having a plurality of ports to which said array controller and said disk storage group are connected; and a connection changing unit controlling a connection status among said plurality of ports in said disk interface connecting unit, wherein said array controller comprises an array configuration information memory storing therein array configuration information indicating a relation between the array controller and the disk storage group controlled by the array controller, an array configuration changing portion changing said array configuration information in response to a user's request, and a connection changing interface informing said connection changing unit of a connection change based on the changed array configuration information, and wherein said connection changing unit changes the connection status in the disk interface connecting unit according to the information from said array controller.