An efficient NAND flash file system for flash memory storage

Lim, Seung-Ho; Park, Kyu‐Ho

doi:10.1109/tc.2006.96

Cited by 114 publications

(7 citation statements)

References 2 publications

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“…In order to accelerate mounting time, [12] proposes the FTL design combining page-level with block-level mapping, and proposes storing a part of mapping table of FTL in the flash memory. [19] proposes a file system called CFFS. The meta-data and file data are stored separately in CFFS.…”

Section: Related Workmentioning

confidence: 99%

ICAP, a new flash wear-leveling algorithm inspired by locality

Chen

et al. 2014

Proceedings of the 29th Annual ACM Symposium on Applied Computing

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In this paper, we extend a trivial wear-leveling algorithm to reduce the management overhead of leveraging the number of write operations over all data blocks. By exploiting access locality, most parts of a mapping table of a flash translation layer (FTL) keep unchanged since wear leveling is adopted only when a block tends to be unreliable. Because the mapping table is changed rarely, we can reduce the mounting time by record most portion of the mapping table on the flash drive. Furthermore, we can give short codes to the data blocks that erased frequently (because the locality) when recording the erase counts in a log structure. We observe that the algorithm can extend the lifetime of a flash drive and reduce mounting time in most situations.

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Section: Related Workmentioning

confidence: 99%

ICAP, a new flash wear-leveling algorithm inspired by locality

Chen

et al. 2014

Proceedings of the 29th Annual ACM Symposium on Applied Computing

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“…Several publications proposed interesting solutions for implementing new FFS (Kawaguchi et al, 1995;Lee et al, 2009;Seung-Ho & Kyu-Ho, 2006;Wu & Zwaenepoel, 1994). In general each of these solutions aims at optimizing a subset of the issues proposed in Section 2.…”

Section: Flash File Systems In the Technical And Scientific Literaturementioning

confidence: 99%

“…In fact, most files are small and most write accesses are to small files. However, most storage is also consumed by large files that are usually only accessed for reading (Seung-Ho & Kyu-Ho, 2006). The i-class1 requires one additional page consumption for the inode 1 , but can address only pretty small files.…”

Section: Address Translationmentioning

confidence: 99%

“…FlexFS (Wu & Zwaenepoel, 1994) (Seung-Ho & Kyu-Ho, 2006) (Lee et al, 2009 Flash memories and memory systems are key resources for the development of electronic products implementing converging technologies or exploiting solid-state memory disks. This book illustrates state-ofthe-art technologies and research studies on Flash memories.…”

Section: Design Issues and Challenges Of File Systems For Flash Memoriesmentioning

confidence: 99%

“…The bad block management and the ECC strategies are missing as well. (Seung-Ho & Kyu-Ho, 2006) proposes the Core Flash File System (CFFS) for NAND flash-based devices. CFFS is specifically designed to improve the booting time and to reduce the garbage collection overhead.…”

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confidence: 99%

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Design Issues and Challenges of File Systems for Flash Memories

Carlo¹,

Fabiano²,

Prinetto³

et al. 2011

Flash Memories

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The increasing demand for high-speed storage capability both in consumer electronics (e.g., USB flash drives, digital cameras, MP3 players, solid state hard-disks, etc.) and mission critical applications, makes NAND flash memories a rugged, compact alternative to traditional mass-storage devices such as magnetic hard-disks. The NAND flash technology guarantees a non-volatile high-density storage support that is fast, shock-resistant and very power-economic. At higher capacities, however, flash storage can be much more costly than magnetic disks, and some flash products are still in short supply. Furthermore, the continuous downscaling allowed by new technologies introduces serious issues related to yield, reliability, and endurance of these devices (

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