POWER SUPPLY DEVICES, PROGRAM, CONTROL METHOD, POWER SUPPLY MANAGEMENT DEVICE, AND POWER SUPPLY MANAGEMENT PROGRAM

摘要

PROBLEM TO BE SOLVED: To provide power supply devices which enhance reliability of virtual management.SOLUTION: A power supply device 1 comprises: a storage device 10 which stores virtual machine power supply management data 12 associating an identifier of a virtual machine emulated by a virtual host computer to which the power supply device 1 supplies power and power supply information of the virtual machine; and virtual machine power supply data transfer means 23 which, when a virtual management server 4 migrates a virtual machine 3 emulated by a virtual host computer 2 power-supplied by the power supply device 1 to a migration destination virtual host computer 2 power-supplied by another power supply device, extracts power supply information of the migrated virtual machine from the virtual machine power supply management data 12 and transfers the power supply information to the other power supply device.