There is provided a data transferring apparatus that transfers file data stored in a storage apparatus that manages data in a block unit, in which the first issuing unit, in response to a request from a CPU, generates and sends a reading command of metadata including first map information showing in which location first file data is stored, to the storage apparatus, the second issuing unit receives a reading command of the first file data from the CPU that has obtained the metadata, generates and sends a reading command of a block storing the first file data to the storage apparatus, the extracting unit receives block data read from the storage apparatus, receives the first map information from the CPU and, based on the first map information, extracts the first file data from the block data, and the communication processing unit transmits the first file data to the network.