Patent ID: 7949892
Filing Date: 2011-05-24
Classification: G06F,H04L

Abstract:
1. A boot control method for a computer system having a plurality of computers, including at least one primary computer and at least one secondary computer, a management server that controls said plurality of computers, each computer having a port for downloading a software image from a storage device, wherein the port has a unique ID, wherein said storage device has a plurality of logical units each of which contains the software image of each computer and has an access information table that defines the unique IDs of the ports of computers that can access each logical unit, said boot control method comprising the steps of: managing, by said management server, the unique IDs assigned to the ports of the computers that can access each logical unit; when a primary computer fails, setting the unique ID assigned to the port of the failed primary computer on a port of a secondary computer; and downloading from a logical unit of the storage device, by said secondary computer, the software image for the failed primary computer, based on the unique ID that is set on the port of said secondary computer.