COMPUTER SYSTEM, CONTROL METHOD OF COMPUTER SYSTEM, AND STORAGE MEDIUM ON WHICH PROGRAM IS STORED

摘要

A control method of a computer system where a management server having configuration management information for managing I/O switches for connecting a plurality of computers with a plurality of I/O devices controls the allocation of the I/O devices for the computers where the management server acquires identifiers of a first computer and an I/O device that has been allocated to the first computer and stores them in the configuration management information, receives a switch from the first computer to a second computer, stops the first computer, allocates the I/O device that had been allocated to the first computer to the second computer, activates the second computer, and rewrites the identifier of a specific I/O device among the I/O devices that have been switched to the second computer to a pre-set virtual identifier.