快閃記憶體已成為著名非揮發性記憶體並且廣泛地運用在行動電子設備和消費性產品，然而快閃記憶體不同於硬碟，它需要更複雜的管理機制來增進壽命和效能。由於現今檔案系統會被執行於快閃記憶體上，耐久性問題將會成為一個重要的議題，那是因為不平均的抹除動作在特定的區域，導致快閃記憶體存取錯誤。在這篇論文中，我們將提出一個可靠的非揮發性記憶體系統是藉由探索檔案系統特性。我們提出的方法可以幫助快速驗證熱與冷的檔案，並且能讓抹除動作平均分散在快閃記憶體設備上。根據實驗的結果和比較其他方法，我們提出的方法可以提供可靠的耐久度與更實際的解決方法。

Flash memory has become a popular non-volatile memory technology and
is widely used in mobile electronics devices and consumer
applications. A flash-memory device is different from typical
hard-disk devices and requires sophisticated management to improve
the lifetime and the performance. As a result, when a file system is
executed on these flash-memory devices, the endurance problem will
be an important issue. This is because flash memory could suffer
from access errors due to unevenly erase operations on specific
locations. In this thesis, we will propose a reliable non-volatile
memory system by exploiting file-system characteristics. The
proposed method can help quick identification of hot and cold files
and evenly distribute erase operations over flash-memory devices.
When compared to other methods, the proposed method can provide
reliable endurance and a more practical solution according to the
experimental results.

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