Patent ID: 8429443
Filing Date: 2013-04-23
Classification: G06F,H04L

Abstract:
1. A boot control method for a computer system having a plurality of computers including at least one primary computer, a management server that controls said plurality of computers, and a storage device that is shared by said plurality of computers, each computer having a fibre channel port for booting a software image including an OS (Operating System) of each computer from a storage area network, the software image including the OS of each computer is stored in a logical unit of said storage device, and a unique ID that is set on the fibre channel port of each computer is associated with the OS stored in the logical unit, said boot control method comprising the steps of: managing, by said management server, unique IDs assigned to fibre channel ports of the computers, and when a primary computer fails, setting a unique ID assigned to a fibre channel port of the failed primary computer on a fibre channel port of a secondary computer; and accessing, by said secondary computer, a logical unit associated with the failed primary computer using a logical connection newly created between the secondary computer and the storage device based on the unique ID which was assigned to the fibre channel port of the failed primary computer, and booting a software image including an OS for the failed primary computer.