Patent ID: 7107274

Claim:
In a storage network which is arranged by a node for transmitting an access request via a network to a storage, a storage group constituted by at least one storage resource which receives said access request so as to execute a content of the access request, and a management server, said management server comprising: means for acquiring at least one of a logical distance and a geographical distance from at least one of said node and said storage resources contained in said storage group, and said storage resources contained in said storage group, wherein said logical distance is generated based on installation information regarding installation of each of said node and said storage resources, and wherein said geographical distance is generated based on information of a physical location of each of said node and said storage resources; means for acquiring from said node a requirement range with respect to at least one of said logical distance and said geographical distance; and means for selecting at least one storage resource for executing the access request, issued by said node, from said storage group, while at least one of said requirement range with respect to said logical distance and said requirement range with respect to said geographical distance is set as a selecting condition.