Patent ID: 8453007

Claim:
A storage device including a plurality of storage units for storing data dispersively among the storage units, the storage device being capable of operating, when one of the storage units is inoperative on account of a failure therein, with the rest of the storage units, comprising: a processor for controlling boot-up of the storage units; and a memory for storing operation history indicative of the sequence of any failure causing any of the storage units to become inoperative, the processor controlling reboot-up of the storage units, when a plurality of the storage units becomes inoperative on account of a plurality of failures, in accordance with process including: determining the order of the reboot up of the storage units that is reversal of the sequence of the failures causing the storage units to become inoperative in reference to the operation history in the memory; rebooting the inoperative storage units successively in accordance with the determined order.