Storage area management apparatus, storage area management method, storage area management program

摘要

PROBLEM TO BE SOLVED: To provide a storage area management apparatus capable of restraining a storage area allocated to a virtual disk from increasing when a swap area of the virtual disk in shin format is accessed.SOLUTION: The storage area management apparatus according to the present invention comprises: request detection means for detecting a write request to a swap area in an allocation area which is a storage area allocated by a virtual machine; management means for associating a target region to which a write is requested by the write request in the swap area in which the write request is detected, with a region in a swap storage area allocated to the swap area from an another storage area not included in the allocation area; and request execution means for executing the write based on the write request to a use region, the region associated with the object region.