RAID 計算機：我需要多少容量？ | Seagate 台灣

JBODRAID 0RAID 1RAID 5RAID 6RAID 10RAID 50RAID 60. JBOD. 本解決方案會使用至少兩台硬碟機組成儲存集區。

JBOD 儲存集區不具備資料備援能力。

RAIDCapacityCalculatorConfigureyouridealsetupandcalculatehowmuchcapacityandredundancyyouneedforstorage. Required Pleaseselectdrivesontheleft Reset SelectRAIDType ❓ RAIDTYPE JBOD Thesolutioncombinesatleasttwodrivestocreateastoragepool.JBODstoragepoolsdonotofferdataredundancy.TheavailablecapacityofaJBODstoragepoolequalsthetotalcapacityofalldrivesincludedinthestoragepool.JBODsupportscombiningdrivesofdifferentsizes. RAID0 RAID0combinestwoormoredrivestoincreaseperformanceandcapacity,butprovidesnofaulttolerance.Asingledrivefailurewillresultinthelossofalldataonthearray.RAID0isusefulfornon-criticalsystemswhereahighprice/performancebalanceisrequired. RAID1 RAID1ismostoftenimplementedwithtwodrives.Dataonthedrivesismirrored,providingfaulttoleranceincaseofdrivefailure.Readperformanceisincreasedwhilewriteperformancewillbesimilartoasingledrive.Asingledrivefailurecanbesustainedwithoutdataloss.RAID1isoftenusedwhenfaulttoleranceiskey,whilespaceandperformancearenotcriticalrequirements. RAID5 RAID5providesfaulttoleranceandincreasedreadperformance.Atleastthreedrivesarerequired.RAID5cansustainthelossofasingledrive.Intheeventofadrivefailure,datafromthefaileddriveisreconstructedfromparitystripedacrosstheremainingdrives.Asaresult,bothreadandwriteperformanceareseverelyaffectedwhileaRAID5arrayisinadegradedstate.RAID5isidealwhenspaceandcostaremoreimportantthanperformance. RAID6 RAID6issimilartoRAID5,exceptitprovidesanotherlayerofstripingandcansustaintwodrivefailure.Aminimumoffourdrivesisrequired.TheperformanceofRAID6islowerthanthatofRAID5duetothisadditionalfaulttolerance.RAID6becomesattractivewhenspaceandcostareimportantandsustainingmultipledrivefailuresisrequired. RAID10 RAID10combinesthebenefitsofRAID1andRAID0.Readandwriteperformanceisincreased,butonlyhalfofthetotalspaceisavailablefordatastorage.Fourormoredrivesarerequiredmakingthecostrelativelyhigh,buttheperformanceisgreatwhileprovidingfaulttoleranceatthesametime.Infact,aRAID10cansustainmultipledrivefailures—providedthefailuresarenotwithinthesamesubgroup.RAID10isidealforapplicationswithahighinput/outputdemandsuchasdatabaseservers. RAID50 RAID50,alsoknownasRAID5+0,mergesdistributedparity(RAID5)withstriping(RAID0)andrequiresaminimumofsixdrives.ThebenefitsofthisRAIDlevelarebetterwriteperformance,betterdataprotection,andfasterrebuildsthanRAID5.PerformancedoesnotdegradeasmuchasinaRAID5arraybecauseasinglefailureonlyaffectsonearray.UptofourdrivefailurescanbeovercomeifeachfaileddriveoccursinadifferentRAID5array. RAID60 RAID60(orRAID6+0)isahybridthatoffersthedistributeddoubleparityofRAID6withthestraightblock-levelstripingofRAID0.AsaRAID0arraystripedacrossRAID6elements,RAID60requireseightdrivesatminimum.RAID60(6+0)isamultileveldiskset,composedofRAID6setsaggregatedatahigherlevelintoaRAID0array.ARAIDsetoffersredundancyandcanwithstandthelossofuptotwodisksineachparityset.RAID60arraysaremorereliablethanRAID50arraysthankstotheextraparitydiskinRAID60.Butwhenmorethantwodisksinasingleparitysetarelost,theRAID0setbreaks,anddatarecoveryisneeded. SelectDrives HDD SSD Results Pleaseaddatleastdrivesforcapacitycalculator. Capacity Protection Unused HardDrive LearnMore SSD LearnMore *Whenreferringtodrivecapacity,onegigabyte,orGB,equalsonebillionbytes;andoneterabyte,orTB,equalsonetrillionbytes.Yourcomputer’soperatingsystemmayuseadifferentstandardofmeasurementandreportalowercapacity.Inaddition,someofthelistedcapacityisusedforformattingandotherfunctions,andthuswillnotbeavailablefordatastorage.Quantitativeusageexamplesforvariousapplicationsareforillustrativepurposes.Actualquantitieswillvarybasedonvariousfactors,includingfilesize,fileformat,features,andapplicationsoftware.Actualdataratesmayvarydependingonoperatingenvironmentandotherfactors.Seagatereservestherighttochange,withoutnotice,productofferingsorspecifications. ©2019SeagateTechnologyLLC.Allrightsreserved.Seagate,SeagateTechnology,theSpirallogoaretrademarksorregisteredtrademarksofSeagateTechnologyLLCoroneofitsaffiliatedcompaniesintheUnitedStatesand/orothercountries.Allothertrademarksorregisteredtrademarksarethepropertyoftheirrespectiveowners. ASeagateReport RethinkData:PutMoreofYourBusinessDatatoWork AboutSeagateOurStoryGlobalCitizenshipTrustCentreQualityAssurance SupportProductSupportSoftwareDownloadsWarranty&ReplacementsContactUs PressCentreNewsMediaKitsBrandPortal Investors PartnersIndirectPartners&ResellersSeagateChampionsSeagateDirect&SuppliersSeagateTechnologyAllianceProgram JobsLifeatSeagateDiversity,EquityandInclusionUniversityProgrammes WheretoBuyProductFinder ©2022 SeagateTechnologyLLCLegal&PrivacyVulnerabilityDisclosure CookiesSettings LaCieMaxtorLyveLabsSeagateGovernmentSolutionsSiteMap ×