A management apparatus has a control unit for realizing a management function through a comprehensive process of characteristic information of a storage apparatus, a connecting apparatus and a computer. The management apparatus also has an interface for receiving characteristic information from the storage apparatus, connecting apparatus and computer, depending on the standard protocol among the management apparatus, storage apparatus, connecting apparatus and computer. Moreover, an integrated management apparatus is also provided for integrated management based on the result of realization of a plurality of management functions. This integrated management apparatus includes an interface for receiving the result of realization of the management function from the management apparatus, depending on the standard protocol between the management apparatus and integrated management apparatus.