Wenderoth, Lind & Ponack, L.L.P.
Virtual computer system, area management method, and program
A virtual computer system having a plurality of virtual computers includes an area assignment unit operable to, when a virtual computer attempts to perform writing to a basic area which is assigned to and shared by the plurality of virtual computers, change an assignment to the virtual computer from the basic area to a copy area to which the basic area is copied and the writing is performed. Additionally an area freeing unit is operable to, when a content of the basic area matches a content of at least one copy area, change area assignment to one or more virtual computers, to which have been assigned one or more other areas than one area among the areas whose contents match each other, to the one area, and free the one or more other areas.
PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA
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inventional inventional additional additional additional inventional
Masahiko
Saito