1、INTERNATIONA1.STANDARDISO/IEC29121editionFurth202101Informationtechno1.ogyDigita1.1.yrecordedmediaforinformationinterchangeandstorage-Datamigrationmethodforoptica1.disksfor1.ong-termdatastorageTechno1.ogiesdeinformationSupportsenregistresnumeriquementpourechangeetstockaged,informationMethodedemigrat
2、iondedonneespourdisquesOPtiqUeSpourIestockage1.ongtermeReferencenumberISO/IEC29121:2021(E)COPYRIGHTPROTECTEDDOCUMENTIS0/1EC2021M11chefivdi1.itedotherwise*ri快ChBxXniEX1.msitRiDhmw;ItmiihrCoPwnR.pnttjuiionpostingontheinternetoranInunnu1.withoutpriorwrittenpermission.PermissioncanberequestedfromeitherI
3、SOatt1.addressbe1.oworISO*smemberhodyinthecountryofthtWR1.beintheIntroductionand/orontheISO1.istofPaWHukkw4kmsreceived(seeWWW.iso.org/ts)ortheIEC1.istofpatentdec1.arationsreceived(seePaterHSjeCCh).nytradenameusedinthisdocumentisinformationgivenfortheconvenienceofusersanddoesnotconstituteanendorsemen
4、t.tp侬SiOnSeX附ChMbNt由BmbWW麴挽侬nenpa蜒HhdardS,thft11他ningfoutISBpQdiiettitt皿hmdWoHd5粒O削nization(VVrTO)princip1.esintheTechnica1.BarrierstoTrade(TBT),seewww.iso.org/iso/foreword.htm1.眼gftft!WSCv伊咽ifr招岫mKa1.附飒1即硫初；Wn皿2techno1.ogy.Thisfourtheditioncance1.sandrep1.acesthethirdedition(ISO1EC29121:2018),which
5、hasbeentechnica1.1.yrevised.Themainchangescomparedtothepreviouseditionareasfo1.1.ows: ISO/IEC16963hasbeenidentifiedastherefereetestmethodforthe1.ifetimeestimation; theambientconditionsforthemeasurementofmaximumdataerrorhavebeenadded; therequirementsfortestdriveshavebeenchangedconsideringtheusecondit
6、ionofusers; therequirementsfortheestimated1.ifetimehavebeendefinedmorec1.ear1.y; therequirementsfortheperiodicperformancetesthavebeendefinedmorec1.ear1.y.AnyfeedbackorquestionsonthisdocumentShCHIkibShUEer1.naHona1.standardsbody.Acomp1.ete1.istingofthesebodiescanbefoundatwww.iso.org/members.htrn1.Int
7、roductiondiskse1.ectedthatrecordingbeenrecordedcorrect1.yandremainspurpose.ItisthereforeimportanttobeIxongevityverified1.iniitedassurethatdeteriorationexistingtechno1.ogyobso1.escence.recoverab1.e.SupportConsequentIy,recordingsbetween5andIongeryears,cyc1.etechno1.ogy1.ifetransferredendupgradedOptica
8、1.disksfor1.ong-termmanufacturersshou1.deva1.uated.Significant1.ongevitymanufacturer,existthresho1.dinitia1.1.ypoorschedu1.edinspec1.ion.suffidentheadroomavodedcanfor1.ongtermunrccoverab1.eerrorBecausedetectingarecorrectedbyrateerrorcorrectiondecoder,Theisirnpossib1.crneasureddeteriorationDVD-R,Dete
9、rioration*RWmonitoredqua1.itycheckingDVD-RAMdiskandContinuesinsteadmonitored.DVD-R,DVD-RW,ThisDVD-RAMjheandRWdisksdiodes,twothetechno1.ogysubstratesbondedtogetherbetweenrequiredUsedprofessiona1.thosepreservation.conventiona1.havingdua1.recording1.ayerswithaspacerinc1.uderecordab1.eandrecordab1.edisk
10、srewritab1.epub1.ishedin2013.According1.y.16963WorkvvasstaFtedupdatedtoincorporated.StandardofCD-RjneasurcdBDrecordab1.eerror-correctionrewritab1.eapp1.iedisa1.sodefinedineachManyorganizationsnowuseoptica1.disksfor1.ong-termstorageofinformation.Itisassumedthataab1.etoverifyfordatahavehasa1.readybeen
11、qua1.ifiedforthatreadab1.erequiredamountof即胧/褪丫帆s_J(g册田也煦辩andardsc1.ear1.ydefinedrequirementsforinterchange,buttheydidnot,containrequirementsfor1.ongevity.regu1.ar1.yistobothbydiskinformationandbyrecordeddiskswi1.1.continuetobe!nterchangei:Userscanhaveamaintenancepo1.icythatprotectsdisksagainstunant
12、icipatedfai1.ureoruse,suchasbymakingonecopy,anothertofunctionasabackupormasterandanotherforroutineaccess.Hardwareyears,1.ifecyc1.estypica1.1.yvarythatrequire10Iifeandcanhavetobecyc1.esusua1.1.ytoafter20p1.atformsevery10to30years.fordisksfromdifferentstorageandbeevenbetweendisksfromthesamedifferences
13、Itpreferab1.ethatdisksse1.ectedfor1.ong-termpreservationhavea1.ong-estimated1.ifetime,whichcanbeestimatedaccordingtoISO)EC16963.DisksWi1.hbcforcthenextqua1.itydoofferwhichistobeandreachthedatastorage.Thismeansthatadiskofhighinitia1.recordedqua1.itythatmaintainsthisconditionforUfcisexpectedtohavesupe
14、rior1.ongevity.withoutreaddatatherawanrawnumber,iterrorratetodetectbeforecorrectionisapp1.ied,whichrepresentstherawerrorrate,canbedetectedwithastandardtestdrive.Thequa1.ityofthediskcanbespecifiedasthenumberoferroneousinnerparitydetectionswitherrorrate.DVD-RW,*Randeanhedisks.Thebyofatheerrorrateisdef
15、inedtohebyitsbyteMethodsdescribedinthisdomentdefineaqua1.ity-contro1.po1.icythatcannon-destructive1.yidentifydeterioration,andtherebysupporttime1.yandeffectivecorrectiveaction.inthemarket.entai1.sRuseofredIaserarebasedon0,6mmthicknowwide1.yknownasDVDbyanadhesive1.ayertoprotecttherecording1.ayerfromd
16、ust,write-once(DVD-R1+R)orphasechangerecording1.ayers(DVD-RW,DVD-RAMr+RW)anda0,60or0,65NAobjectiveIenstoensuregoodspatia1.marginsthemareforaadditiontodatawithDiskssing1.e1.ayer.AftertheissuanceofthepreviouseditionofthisdocumentISO1ECstandardsforthephysica1.formatofBDtestingofBDrewritab1.eanddisks201
17、5.ISO/IECa1.sotoinc1.udeBI)recordab1.eandrewritab1.edisksinthisdocument.TheBI)datamigrationpartofthisworkwasstandardizedSeparate1.yasECM-413.CD-RandCD-RWdisksinc1.udedinISO1EC16963area1.soInternationa1.TheerrorrateCD-RW,beforeandBDisdisk.Informationtechno1.ogyDigita1.1.yrecordedmediaforinformationin
18、terchangeandstorageDatamigrationmethodforoptica1.disksfor1.ong-termdatastorage1 ScopeinformationRecordab1.edigita1.Rewritab1.emigratei1.ong-termdataStorageAvithoutappIyingthisdocumentdiskThisdocumentspecifies：-diskpreparationmeasuringexecution;dataerror,inc1.udingambientcondition,testarea,testdrive,
19、onthediskswithcategorizedmaximumdataerrortab1.es;performance1.ifetimeofBmig(Bo.ooo)1.ifetodeterminethetestinterva1.fortheperiodic2 Normativereferencesconstitutesrequirements1.atesteditiondocument.referencedreferences,(inc1.udingamendments)app1.ies.app1.ies.storage-Testmethodfortheestimationof1.ifeti
20、meofoptica1.disksfor1.ong-termdatastorage3 TermsanddefinitionsISOandIECmaintaintermino1.ogica1.databasesforuseinstandardizationatthefo1.1.owingaddresses：3.1 ISOOn1.inebrowsingp1.atform:avai1.ab1.eat4ttpswwws1.pBmig1.ifeb)4)SecondPPtestDatamigrationBE喀心/28成必/2X3a)2C)6)d)8)mH1.r2FirsiPPtestDatamigrati
21、onThirdPPtestDatamigrationFourthPPtestDatamigrationXstoragetime(year)YcaseinF.2FigureF.2Timingforperiodicperformance(PP)testanddatamigrationincasetheestimated1.ifetimeisre1.ative1.y1.ongerthantheuserdefinedmigrationperiodF.3Specificca1.cu1.ationexamp1.esCase1IWddftj1.bj8HHancte加rdrHHgftKcX1.i6tit1.-
22、hetWreehjeaJ5J=Hfppiisi1.MFrestii)fhigfitt4hthAhtesto1.eve1.testinterva1.oftheAccordingtod),Xnug-2Bmghfe2-23=1.is1.essthan0,sothetestinterva1.ofthefourthPPtestistwoyears.Datamigrationshou1.dbecarriedoutatthefourthPPtestinspiteofthetestresu1.tCase2监岁招曲FftHbWffan4h曲他必Itequa1.toQ,ftgrationinterva1.XmKi
23、nterva1.issetto20years20创mutdf1.砍Js.EgDfitaraigatihou1.d251.fciarnttt1.1.csstsb1.Rf1.rstthetespi1.crva1.ofIkeHnR在suit.testAnnexG(informativeTestareaandsamp1.ediskforperiodicperformancetestvff(!rtafiCes,fiddxtdchfitonUIjmianakudndCfsamp1.edisksforxi1.d1.ii1.iedi)ancctetiicrate.Becausedisksshou1.dhave
24、uniformerrorrateoverthewho1.erecordingarea,periodictestsofpartia1.recordingareascansuggesttheaveragedeteriorationoftherecordingsurface,whichobeysthe旗疑Cderat册卬制围期静y励H由礼四e1.eratio三槛跟色或戏S忧的/囹硼f由Wi的RfCaUSedbya1.1.disksora1.1.disksina1.1.groupsisrecommendedforimportantinformation.84四料的烟8#占小鼎揶ho1.1.裾*H&#M
25、AddiMna1.城战*M，sot1.加而出脚麻褶闻国丽格fhandateadded,theusermayreducethetestareaand/orthenumberofsamp1.edisks.Genera1.1.y,theIntegriQrofthedataisproportiona1.tothepercentageofthetestareaand/orsamp1.edisksbecauseofdefective.BRn而他称Predi的瞰罹幅/触再网EEyeRIors,th觎法St倘郦睚产胱嘏阳幅rtiaktcre曲Fnsomeeffectiveinformationreducesu
26、ncertaintyorentropy.appropriatetime-tofai1.ureestimationforrequiredbasedestimationdistribution.thanaIognorma1.distribution,NOTE,hcaboveestimationcannotbeapp1.iedtothetimetofai1.urcoriginatedby1.oca1.defects.AnnexHRSERmaxcriteriaforBDrecordab1.eandBDrewritab1.edisksISO1EC16963recordab1.eRSERrewritab1
27、edisks,eva1.uatingthetirne-to-fai1.ureinacce1.eratedrewritab1.e6criteriaformaximumdataerrorofBDrecordab1.eandBDrewritab1.edisks.offanyRSERfingerprintsunexpected1.yre-measuretheRSER(seeAnnexedgeforadditiona1.recommendedtowipe2021-A1.1.rightsreserved(informative)testingofBDadoptstheandBDnUXva1.ueof10
28、3forTheECCusedBDrecordab1.eandBDstressdisksispowerfu1.enoughandhasbettererror-correctioncapabi1.itythanthatofDVD-R,DVD-RW,DVD-RAM1+Rand+RWdisksatRSER=10-3.ThesameRSERmaXva1.ueof10-3isadoptedasthe1.eve1.s3andRSERexc1.udesbursterrorsof1.ength40bytes,butitissti1.1.affectedbyburstsShorterthan40bytes.If
29、thedustOrincreasesand(especia1.1.yneartheouterIdisk),isinformation).AnnexI(informative)Guide1.inefortreatmentofdefectsisWhcunufftiatdH“口Stn1.tfai2Ur11U1.gedCrddb*vftbcia!ti1.inginitia1.data.正炉肉麻蚓见1.nH双院WiRs掘dda1.as1.aiskS8fJfifet1140bytesb) Intheperiodicperformancetest,ifthebursterrorexceedsthefo1.1
30、owing1.eve1.,itisrecommendedtocopythedatarecordedonthedisktoanothernewdiskassoonaspossib1.e.1) DVD-R,DVD-RW1DVDRAM,RandRWdisks:Thetota1.1.engthofdefects1.argerthan30mexceeds600morthenumberofdefectsexceeds12.2) CD-RandCD-RWdisks:ThenumberofsuccessiveUncorrectab1.eframesexceeds14.3) BDrecordab1.eandB
31、Drewritab1.edisks:Thenumberofbursterrorswith1.ength40bytesexceeds16orthesumofthe1.engthsofthesebursterrorsexceeds1200bytes.hr曲en淀h&i妙tbc(飒StOg邮icjfcM耐WkB胸Ktedma依ewentdv帕mmaH咤CmenSRdiwiedJmitbdiskdefecr12)3W5(7网1011112)131415口6171819Bib1.iographyIfiOA1.Informationtechno1.ogyDatainterchangeonread-on1.
32、y120mmoptica1.data期鹿用相加帆牖闹湖UM帧曲皿南加曲Rf丽丽nterchtmge塔OX田顺你附帐端舐蒯他明町也则?而向S夕初代Sperside)and80mm(2.66GbytesKO伊仰阳啊油檎相M的版W的捌他脚期询/perside)and80mm(2,66GbytesISO/IEC16448,Informationtechno1.ogy120mmDVDRead-on1.ydiskISO/IEC16449,Informationtechno1.ogy80mmDVDRead-on1.ydiskVS(f两怖Vnqhfr6曲第杷“7i做IxfPhia褊丽他婀丽地网制丽0瞅扁t喻想
33、囹(HiSk然。胭留惬啊fi帔0Wf脐速卬随，一80mm(1,46Gbytesperside)and120mm(4,70GbyteS梅冽也驯例7峻h副昭酰脐砂必洲祜铺豌配府坪K福9牖fWi新版渊沌阳阳而融忖即前雌如明F而他M曲热融外曲眼廨岫V猊螃酶后初飒地蜩的disk忖抓桢堪如如耶if而08帆的A胧被如谕&佩曲自做/舐Ref将俯什附Ir曲轴R型餐油Sk械哪的她则蝌外的就4都晒曲武硼包尊领&忸根岷曲派(H的驷岫嘟Tt廨OGby必perdisk)BDRecordab1.edisk渊贸fM也分阴白的的洞福麻TZ碗胸胡阻仙州6帆的胡期强制解/例GateSdoun1.esideddisk)andQuad
34、rup1.e1.ayer(V2n,()Ghytessing1.esideddisk)RDRecordab1.edisk蝴放破旧?敬洲曲砒4三?磁包翊ftWH陆优网您疵缈物确A的柄做砰加/碌s。Rewritab1.edisk120 视/眦蝌3?的OrmQ四座M既6四帆诬卸/搬腮酬郎小硼nationinterchange121 ECMA-394,Recordab1.eCompactDiscSystemsCDRMu1.ti-Speed122 ECMA-395,Recordab1.eCompactDiscSystemsCD-RWU1.tra-Speed123 ECMA-413,DataMigrationMethodforBDRecordab1.eandHI)Rewritab1.eDisks
