Device, method, and computer program product for data migration

A method for migrating pieces of data recorded in a first recording location to a second recording location, the method comprising:

• obtaining, for each of the pieces of data, first information indicating the number of times any data has been read from the first recording location after the piece of data is written to the first recording location and second information indicating the number of times the piece of data has been read from the first recording location;
• tracking access frequency with respect to each of the pieces of data using the first information and the second information;
• and
• determining a recording position for each of the pieces of data in the second recording location based on the tracked access frequency.

A computer program product for migrating pieces of data recorded in a first recording location to a second recording location, the computer program product comprising a non-signal computer-readable storage medium having computer-readable program code instructions stored therein comprising:

• a first set of computer instructions for obtaining, for each of the pieces of data, first information indicating the number of times any data has been read from the first recording location after the piece of data is written to the first recording location and second information indicating the number of times the piece of data has been read from the first recording location;
• a second set of computer instructions for tracking access frequency with respect to each of the pieces of data using the first information and the second information;
• and
• a third set of computer instructions for determining a recording position for each of the pieces of data in the second recording location based on the tracked access frequency.