Patent ID: 7039752

Claim:
A disk array device comprising: a disk array device housing; plural disk device housings which are stored in the disk array device housing and incorporate plural disk devices; and a controller housing, which is stored in the disk array device housing, and incorporates a controller for controlling reading and writing of data with respect to the disk devices, wherein the respective disk device housings have plural connectors for connecting cables for fiber channels and plural lighting units corresponding to the respective connectors, wherein the controller controls lighting states of the lighting units in accordance with a connection order of the cables, wherein the controller reads a connection information file defining the connection order from a predetermined external apparatus and performs the control on the basis of the connection information file, and wherein the external apparatus comprises a connection information file generation unit which generates the connection information file based on information specifying the number of disk device housings provided in the disk array device, the number of disk devices incorporated in the respective disk device housings, and structural specifications of a Redundant Array of Inexpensive Disks (RAID).