Data recording device and data recording method

A data recording method executed by a data recording device including a recording medium on which data is recorded, in response to a write request from an external device, the method comprising:

• acquiring a priority for storing write data of the write request in a cache, from a cache priority table in which different priorities for storing data in the cache are stored;
• storing the write data in the cache according to the priority acquired from the cache priority table;
• and
• performing a write operation to write the write data on the recording medium.

A data reading method executed by a data recording device including a recording medium on which data is recorded, in response to a read request from an external device, the method comprising:

• performing a read operation to acquire read data from the recording medium;
• acquiring a priority for storing the read data in a cache, from a cache priority table in which different priorities for storing data in the cache are stored;
• and
• storing the read data in the cache according to the priority acquired from the cache priority table.