METHOD OF STORING DATA TO STORAGE MEDIA, AND DATA STORAGE DEVICE INCLUDING THE SAME

摘要

PURPOSE: A method for storing data in a storage medium and a data storage device including the same are provided to efficiently compress the data to be stored in the storage medium by improving an access speed for random data. CONSTITUTION: A controller(220) selectively compress data received from the outside and stores the compressed data in a storage medium(210). The controller determines a type of the data as user data or metadata for managing the user data and selectively compresses the data according to the determination result. The controller receives a logical address corresponding to the received data. The logical address points an area including sequential address values. When the received data is determined as the user data, the controller determines a compression unit of the received data according to the size of the area pointed by the logical address.