A New Raid Linux Flash File System - Fahy, Xinhua
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NAND flash memory has been widely used in the embedded market because of its desirable properties such as non-volatility, shock resistance, low power and low latency for reading and writing. However, hardware limitations like the need to erase before writing again, erase block sizes that span multiple write pages, and limited memory cell lifespan, make file system requirements for flash memory very different from those for conventional block devices. As such, conventional file systems cannot be applied directly to flash memory. In this book we enhance JFFS2( Journaling Flash File System…mehr

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Produktbeschreibung
NAND flash memory has been widely used in the embedded market because of its desirable properties such as non-volatility, shock resistance, low power and low latency for reading and writing. However, hardware limitations like the need to erase before writing again, erase block sizes that span multiple write pages, and limited memory cell lifespan, make file system requirements for flash memory very different from those for conventional block devices. As such, conventional file systems cannot be applied directly to flash memory. In this book we enhance JFFS2( Journaling Flash File System version 2), the most widely used flash file system, by eliminating its main deficiencies, adding RAID capability, making all the IO operations asynchronous to reap I/O performance.
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Autorenporträt
Experienced in the development of VxWorks Board Support Package (BSP) and device drivers, including Interrupt Service Routines, SATA and SCSI disk drivers, serial, watchdog, USB for industry and government, new technology has always been my hobby. Each stone paves the way for a path. I hope I am the stone that won't easily flip.