US Patent 10270852 Data migration apparatus and system

An information processing apparatus accepts migration of data from a migration source information processing apparatus. The information processing apparatus includes a processor to execute an operation for operation target data as a target of a processing request given from a client apparatus when the operation target data is migrated from the migration source information processing apparatus and the processing request is received from the migration source information processing apparatus, and to notify the client apparatus of a processing result of the operation, the result containing arrangement information of the operation target data.