文档介绍：华中科技大学硕士学位论文AbstractWiththegrowingpopularityofapplicationssuchasvideo—on·demand,workentertainment,-of-Serviceguarantees,tohaveshortrespondingtime,,withitsscalability,potentialavailabilityandcost·effectiveness,,work—attachedstorage,,work-attacheddisksareendued、Ⅳimsomeautonomouscharacteristics:theynotonlyhavetraditionalfunctionsofdatastorageandretrieving,-,,,,singlefailurepointiseliminatedbyadoptingreliabilitytechniquessuchasdataredundancyandreal—,,whichachieveshi曲resourceutilizationwhileguaranteeingtherealtimerequirementofvideodata,andenablethesystemtoadaptinaheterogeneousIl^华中科技大学硕士学位论文environment;amechanismofsmoothfailoverandfailbackforstoragenodesisdesigned;andtoreveNthequantitativerelationshipbetweenvarioussystemparametersandthesystemperformance,