Device, method, and computer program product for data migration

Details Device, method, and computer program product for data migration Device, method, and computer program product for data migration

2011-08-30

2011-08-30

Edun, Muhammad N (Department: 2627)

Dynamic information storage or retrieval

Duplication or copying

C369S085000, C369S047120, C360S039000

Reexamination Certificate

active

08009541

ABSTRACT:
A device, method, and computer program product are provided for migrating pieces of data from a first recording location to a second recording location based on access frequency. The device comprises an obtaining unit 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. Moreover, the device comprises a tracking unit for tracking access frequency with respect to each of the pieces of data using the first information and the second information. Furthermore, the device comprises a determining unit for determining recording positions of each of the pieces of data in the second recording location based on the tracked access frequency.

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