A disk array system in accordance with the present invention comprises: a plurality of storage devices in which data is stored; a storage device control unit that controls storage of data in the plurality of storage devices; a connection unit connected to the storage device control unit; a first communication control unit; and a management terminal. The first communication control unit is connected to the storage device control unit via the connection unit, and connected on a first network external to the own disk array system, and transfers file data over the first network. The first communication control unit transfers data to the connection unit, and reads information on a fault occurring in the own disk array system from the plurality of storage devices so as to transfer the information to the management terminal.According to the present invention, there is provided a disk array system connectable on a plurality of different kinds of networks and a method of controlling fault information concerning the disk array system.