Patent ID: 8407514

Claim:
A computer system comprising a management server, a plurality of servers engaged in applications, a plurality of network devices, and an external disk device, which are connected to one another, wherein the external disk device comprises one or more logical disks, wherein the plurality of servers include a first server and a second server, wherein the plurality of network devices include a first network device and a second network device, wherein the management server comprises: a server retrieval module; and server information indicating a connection relation among the plurality of the servers, the plurality of network devices, the external disk device, and the one or more logical disks, and wherein the server retrieval module is configured to: detect state information of the first server; identify, when a change in configuration indicated by the state information is detected, based on the server information, the first network device to which the first server is connected; and identify, based on the server information, the second server connected to the first network device or the second network device as being in a connection relation with a connection destination of the first network device.