闪存存储系统综述.pdf

计算机研究与发展 ISSN 1000一1239／CN11—1777／TP oI Journal Researchand Computer Development 50(1)：49—59，2013 闪存存储系统综述 陆游游1 舒继武 1(清华大学计算机科学与技术系北京 100084) 2(清华信息科学与技术国家实验室(筹)北京 100084) (1uyy09@mails．tsinghua．edu．cn) onFlash-Based SurVey StorageSystems I。u andShu Youyoul Jiwul·2 1(DP户Ⅱrf棚P玎fo厂Co，”户“fPr 100084) S(’iP门fP“(，丁_f^”oZogy，丁sing^“Ⅱ【，hi口Frsify，BP巧i”g 2(丁0i”g^“ⅡNnfio行Ⅱ，L“60，ⅥfDry．厂0r，如r州丑，io”S(‘iP灯(P 100084) n”c，丁_(^”oZogy(丁JNL，S丁)，BPi歹i九g AbstractFlash has forits oflow memorygainedgreat popularity properties latency，high small the efficient，andvolume．But directsubstitutionofflash—basedsolidstate parallelism，energy driVesforharddiskdriveshashiddenthese fromthe the properties operatingsystem， preventing from Inthis and aremadeonthe operatingsystemoptimizations．paper，comparisonanalysis storage builtontheraw flash systems flash， cards，flash andflash—based includingaccelerating arrays， haVeachieVedthe of clusters，which low and goals latency，highreliabilityenergy efficiencythrough hardwareinterface softwareorcontr011ermodulerefinement，or and change， computationI／() Basedonthe oftheserecentraw