A storage system includes: a plurality of data input and output parts through; a data storing part that stores the data inputted and outputted through the plurality of data input and output parts; a range information storing part that stores range information; first control part controlling the data storing part to read and write the data in accordance with the stored range information, and that rewrites the stored range information to predetermined range information in a case where a prescribed signal is inputted from the data input and output part; and a plurality of second control parts that are provided correspondingly to the plurality of data input and output parts to input and output the data, and that input the prescribed signal to the data input and output parts in a prescribed case.