Patent ID: 7032118

Claim:
A method for a controlling a storage system, the storage system including an information processing device having a first power supply which activates a function for transmitting at least one of a data input and a data output request, and a plurality of storage devices connected to communicate with the information processing device, each storage device having a second power supply which activates a function for accepting the data input and output request which is transmitted from the information processing device, and the method comprising: connecting the storage devices to communicate with each other; from a first storage device transmitting a power-on request for turning on the second power supply to a second storage device, when the second power supply of the first storage device is turned on; the first storage device receiving from the second storage device a notification that the second storage device can accept the data input and data output request being transmitted from the information processing device; and the first storage device transmitting a power-on request for turning on the first power supply to the information processing device when the second storage device can accept the data input and data output request being transmitted from the information processing device.