首页|基于ExFAT的高速记录文件系统的设计与实现

基于ExFAT的高速记录文件系统的设计与实现

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文件系统作为数据记录系统的关键组件,对于高速记录设备的性能至关重要.在深入分析高速记录系统对文件需求的基础上,对ExFAT文件系统进行了创新型扩展,开发新型文件系统JFAT.JFAT集成了日志功能,提高了数据的可靠性,并具备掉电恢复能力,从而增强了记录系统的稳定性.此外,JFAT显示出良好的兼容性,支持Linux、VxWorks等多种主流操作系统,使其可以作为系统安装盘使用.通过结合快速读写通道、TRIM指令、文件预分配等软硬件优化方法,JFAT充分利用了硬件性能.在实际应用中,使用JFAT的数据记录模块实现了单模块数据记录速度达到7.6 GB/s,已被应用于某型数据记录设备.JFAT不仅提升了文件系统的效率和可靠性,也为高速数据记录设备的发展提供了新的技术支持.
Design and Implementation of High Speed Recording File System Based on ExFAT
As a crucial component of data recording systems,file systems are vital to the performance of high speed recording devices.This paper conducts an in-depth analysis of the file requirements of high speed recording systems and innovatively ex-tends the ExFAT file system to develop a new file system JFAT.JFAT integrates logging function,enhances data reliability and features power-off recovery capabilities,thereby strengthening the stability of the recording system.Additionally,JFAT exhibits good compatibility,supports various mainstream operating systems including Linux and VxWorks,which makes it suitable for being used as a system installation disk.By combining fast read-write channels,TRIM commands and file pre-allo-cation with other hardware and software optimization methods,JFAT fully leverages hardware performance.In practical appli-cations,the data recording module using JFAT achieves a record speed of 7.6 GB/s per module and has been implemented in specific data recording device.JFAT not only improves the efficiency and reliability of file systems but also provides new techni-cal support for the development of high speed data recording devices.

high speed recordfile systemjournalExFATJFAT

叶茂、蒋辰浩、周细平、陈康

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中国电子科技集团公司第五十二研究所,浙江,杭州 310012

高速记录 文件系统 日志 ExFAT JFAT

2024

微型电脑应用
上海市微型电脑应用学会

微型电脑应用

CSTPCD
影响因子:0.359
ISSN:1007-757X
年,卷(期):2024.40(9)