| 摘要 |
<p>The present invention provides a data update method and a device thereof. The data update method for a flash memory-based storage system, given in the implementation example of the present invention, includes a log data storage step of, upon any update on a data page within a data block in a storage unit, storing log blocks about the page update; and a data update step of updating the data page by scanning the log blocks and updating metadata including the physical position data of the data page and the position data of the log blocks by reflecting the update of the data page. [Reference numerals] (110) Log information storage unit;(120) Data updating unit</p> |
