Patent ID: 7234020

Claim:
A computer system comprising: storage devices coupling to a data communication network and to a management network, said storage devices including volumes for storing data and a storage control unit configured to control data transfer between the volumes and the data communication network; host computers coupling to the data communication network and to the management network; client computers coupling to the host computers through an operation network; and a management computer coupled to the management network, wherein the storage devices hold volume access control information, said volume access control information specifying computers authorized to access the volumes, wherein each host computer enables execution of one or more applications and holds application-setting information specifying a specific application to be provided for a specific client computer of said client computers and a specific volume of said volumes to be provided with the specified application, wherein the management computer acquires the volume access control information from the storage devices and the application-setting information from the host computer, and wherein the management computer correlates the volume access control information and the application-setting information to generate a management table defining a relationship between the specified volume and the specified client computer that exists via the host computer and the specified application, and sends, to the specified client computer, information related to the specified volume, and wherein the management computer sends to the specified client computer notification of a fault when the fault occurs in the specified volume.