Patent ID: 8230420
Filing Date: 2012-07-24
Classification: G06F,H04N

Abstract:
1. An information processing apparatus having a virtual machine operating environment where a plurality of virtual machines are operable, comprising: a storage unit adapted to store a virtual disk file to be accessed by a virtual machine; a communication unit adapted to communicate with another information processing apparatus via a network; a transfer unit adapted to transfer the virtual machine between the information processing apparatus and the other information processing apparatus via said communication unit; a management unit adapted to manage, for each of the virtual machines which operate in the virtual machine operating environment of the information processing apparatus, including virtual machines which have operated in another virtual machine operating environment of the other information processing apparatus, correspondence relationship information representing a correspondence relationship between the virtual machine and said storage unit which stores the virtual disk file to be accessed by the virtual machine using a storage correspondence table, the correspondence relationship information being transferred from the other information processing apparatus by said transfer unit; and a control unit adapted to control access from the virtual machine which has issued an access request to the virtual disk file by looking up the storage correspondence table managed by said management unit.