Patent ID: 7971089

Claim:
A computer-readable recording medium that stores therein a computer program for managing an operation of a plurality of servers that is booted up using a boot disk on a storage area network, the computer program causing a computer to execute: managing a group of servers connected to the boot disk by the storage area network as a server domain, a group of servers currently not operated from among the servers belonging to the server domain being managed as a server domain pool, the managing including managing a plurality of server domains; switching, when a failure occurs in any one of operating servers, a connection of the boot disk on the storage area network from a failed server to a substitute server belonging to a server domain to which the failed server belongs, the switching including: selecting the substitute server from the server domain pool of the server domain, switching the connection of the boot disk on the storage area network to the substitute server selected at the selecting, and moving the failed server to the server domain pool; and booting the substitute server using the boot disk on the storage area network of which the connection is switched to the substitute server at the switching.