Patent ID: 7987256

Claim:
A management computer coupled to a plurality of computers each including a port, a plurality of storage apparatuses each including a port and a plurality of switches each including a port, the switches being coupled to the computers and the storage apparatuses, the management computer comprising: a memory which comprises: topological information including port identifiers of the computers, storage apparatuses and switches and performance information of the port identifiers, a performance information collection program which collects the performance information from the computers, storage apparatuses and switches and stores the performance information, and an analyzing program which is executable to receive a request specifying a storage apparatus which is one of the plurality of storage apparatuses and, by referring to the topological information, identify a port related to an access path which includes the specified storage apparatus; a processor executing the performance information collection program and the analyzing program in the memory; and an I/O device outputting the identified port and the performance information of the identified port.