Patent ID: 7966515

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