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Flash translation layers play an important role in determining the storage performance and lifetime of NAND flash-based consumer electronics devices. In this paper, we present a flash translation layer called zFTL, which reduces the amount of data written to NAND flash memory by supporting on-line, transparent data compression based on the X-Match algorithm. To minimize compression overhead and power...
In this paper, we propose a modified parallel virtual file system that provides snapshot functionality. Because typical file systems are exposed to various failures, taking a snapshot is a good way to enhance the reliability of file systems. The PVFS, which is one of the famous parallel file systems deployed in cluster systems, is vulnerable to system failures or users?? mistakes; however, there is...
NAND flash memory becomes one of the most popular storage for portable embedded systems. Although many flash-aware file systems, such as JFFS2 and YAFFS2, were proposed, the large memory consumption and the long mount delay have been serious obstacles for large-capacity NAND flash memory. In this paper, we present a new flash-aware file system called DFFS (direct flash file system) which fetches only...
The concept of Remote Procedure Call (RPC) was proposed more than 30 years ago. Although various RPC systems have been studied and implemented, the existing RPC systems lack many crucial features and flexibility required for building modern cluster file systems .This paper presents FlexRPC, a flexible user-level RPC system that enables to develop high-performance cluster file systems easily. FlexRPC...
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