Importance

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Abstract

A virtual machine system is constructed between a plurality of real machines of a multiprocessor system. In order to move a virtual machine operating in a virtual machine system on a given real machine to a virtual machine system on another real machine, each virtual machine system is managed by attaching a common logic name to the real machine resources. The origin of the virtual machine (VM) is notified of the logic name of the real resource corresponding to the VM configuration information. The destination VM includes a device for generating an identical VM configuration according to the logic name received thereby to realize the movement of the VM configuration. Also, the origin VM holds a new asynchronous operation request for the VM to be moved, and suspends the operation of the VM. The VM resource information and the asynchronous operation hold information are transferred to the destination. The destination VM restarts the VM operation in accordance with the received information.

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First Claim