Patent ID: 7412504

Claim:
A method in a management computer coupled to a system, the system comprising a plurality of computers, a plurality of storage systems storing data accessed from the plurality of computers, and a plurality of switches coupled to the plurality of computers and the plurality of storage systems, the method comprising the steps of: monitoring traffic amount of ports of the plurality of computers, the plurality of storage systems, and the plurality of switches; storing access path information in a memory of the management computer, the access path information indicating at least one access path including a set of access ports used by a first computer of the plurality of computers to access a particular volume in a first storage system of the plurality of storage systems via a first switch of the plurality of switches; specifying the particular volume which is configured by at least one disk drive of the first storage system; identifying ports of the first storage system, the first switch, and the first computer, based upon the access path information stored in the memory of the management computer, wherein the identified ports are along the access path for accessing the specified volume; and outputting information related to the monitored traffic amount of the identified ports so that a display device displays the traffic amount of the identified ports.