Patent ID: 8171059

Claim:
A data migration management apparatus for managing a data migration in a storage system that comprises a plurality of storage areas, comprising: an information management unit for coupling to the storage system; a memory for storing a database that stores utilization status information indicating an access frequency for each instant of time of the plurality of storage areas, which is acquired via the information management unit; and a processor for referencing the database, wherein, the processor is configured to detect, based on the utilization status information managed by the information management unit, a variation in the utilization status information during a predetermined period in a prescribed storage area related to the data migration of the storage areas, and is configured to provide the variation in the utilization status information to a user computer via a performance information provision unit, and wherein the performance information provision unit is configured to provide, to the user computer, a migration-destination storage area candidate for data stored in a predetermined storage area based on the utilization status information indicating the predetermined storage area is changed, and wherein when the selection of the migration-destination storage area candidate of the data is received from the user computer, the processor is configured to perform the data migration.