Patent ID: 7840835

Claim:
A computer system comprising a management server, a plurality of servers engaged in applications, a network device, and an external disk device, which are connected to one another, wherein the plurality of servers include a first server and a second server, wherein the management server comprises: a fault recovery processing unit; and server information indicating a connection relation among the plurality of the servers, the network device, and the external disk device, and wherein the fault recovery processing unit is configured to: detect state information of the server, the network device, or the external disk device; identify, based on the server information, the first server as being unable to access a first logical disk as a consequence of a change in configuration indicated by the state information; identify, based on the server information, the second server as being able to access the first logical disk; stop the first server; permit access to the first logical disk by the second server; and boot up the second server.