Patent ID: 9292469
Filing Date: 2016-03-22
CPC Classification: G06F

Claim Text:
1. An I/O device management method in a computer system which includes a computer, a plurality of I/O devices connected to a plurality of networks having different network configurations, an I/O switch assigning a first I/O device of the I/O devices to the computer so as to be able to communicate with a first one of the networks connected to the first I/O device, and a management computer managing the first I/O device assigned to the computer, the management computer having a first processor, a first memory connected to the first processor, and a first network interface connected to the first processor, and the computer having a second processor, a second memory connected to the second processor, and a second network interface connected to the second processor, the I/O device management method comprising: a first step of acquiring, by the management computer, a piece of I/O device configuration information of the first I/O device assigned to the computer, and a piece of network configuration information of the first one of the networks connected with the first I/O device assigned to the computer; a second step of acquiring, by the management computer, a flow amount indicating an amount of data transmitted and received via the first I/O device assigned to the computer for each of a plurality of I/O types of the data transmitted and received via the first I/O device; a third step of determining, by the management computer, whether to change the first I/O device assigned to the computer to another one of the I/O devices based on the flow amount acquired for each of the plurality of I/O types, the piece of the acquired I/O device configuration information, and the piece of the acquired network configuration information; and a fourth step of issuing, by the management computer, an assignment change instruction to the I/O switch to change the first I/O device assigned to the computer to the other one of the I/O devices.