Provided is an integrated platform that has an active server, a standby server and a storage device. The storage device has a plurality of storage ports, and a WWN is assigned to each of the plurality of storage ports. An LUID is assigned to each of a plurality of logical volumes provided by the storage device. The active and standby servers are connected, respectively, to storage ports in a one-to-one relationship. The active server has boot search information that associates the WWN of a storage port at a connection destination; the LUN of a boot logical volume, which is a logical volume accessed during booting; and the LUID of the boot logical volume with one another. When a failover is executed, the boot search information of the active server is copied to the standby server.