Patent ID: 8364730

Claim:
A data storage apparatus that stores data transferred from a host device, the data storage apparatus comprising: a storage device that has a data area where the data is recorded and a management area where first management information used for management of the data and second management information of identical content with the first management information are recorded; a receiving unit that individually receives the data, the first management information, and the second management information transferred from the host device in a predetermined order; a data recording unit that records the received data into the data area; and a management information recording unit that, in response to reception of one management information out of the first management information and the second management information from the host device, records the received management information into the management area as the first management information and as the second management information without waiting for reception of the other management information; wherein in response to reception of the other management information, the management information recording unit sends back a response representing completion of recording to the host device without recording the other management information into the management area; wherein the first management information comprises a first file allocation table; and wherein the second management information comprises a second file allocation table.