HP Lto 5 Manual
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01234567 ParameterLength(MSB)12 (LSB)13 Reserved(0)14 Control15 CDBfields TheCodefieldindicateswhatistobespacedto:Code Blocks—ThenumberofblockscrossedisdictatedbyCount.000 Filemarks—ThenumberoffilemarkscrossedisdictatedbyCount.001 EOD—Spacetotheendofdatainthecurrentactivepartition.011 •Whenspacingoverblocksorfilemarksthisfieldindicateshowmanyblocksormarks shouldbecrossed.Spacingisforward(towardsEOM)unlessCountisnegative(twos complement)whenthespacingistowardsBOM. •WhenspacingtoEODtheCountfieldisignored....
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GOODstatustoarequesttospacetoEOD,andwithCHECKCONDITIONtoanyother forwardspacingrequest.Additionalsenseissetto1403h(Endofdatanotfound). •Earlywarningendofmediuminformationisnotreported. •Ifaspacerecordsorspacefilemarkscommandfailsthenthesensedatainformationbytes willbesettotheabsolutevalueofthedifferencebetweentherequestednumberof marks/recordsandtheactualnumberofmarks/recordsspacedoverandtheValidbitset. TheresidueforaprematurelyterminatedSpacetowardsBOMwillalwaysbeapositivevalue....
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Pre-executionchecks DeferredErrorReservationIllegalField MediaInformationMediaAccessUnitAttention Commanddescriptorblock 01234567 OperationCode(00h)0 Reserved(0)1 4 Control5 TESTUNITREADYspecificstatus Ifallthepre-executioncheckspass,GOODstatusisreported. VERIFY13h VERIFYverifiesoneormoreblocksbeginningwiththenextblockonthetape.Theverificationis mediaverificationonly.Itreadsdatafromthetapeasitwouldforareadbutthenimmediately discardsit.Nodataistransferredbetweenthehostanddrive....
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CDBfields TheImmediateReportingoptionisnotsupported,sothisbitmustbe0.0Immed TheBytecompareoptionisnotsupported,sothisbitmustbe0.0BCmp TheVerificationLengthfieldspecifiesthelengthofthedatatobeverifiedinbytes.0Fixed TheVerificationfieldspecifiesthelengthofthedatatobeverifiedinblocks.Thesizeofeach block(inbytes)isspecifiedbythecurrentblocklengthspecifiedintheModeParameterblock descriptor. 1 Nodataisverified.Thisisnotconsideredanerrorandthecurrentlogicalpositionwillbe unchanged. 0Verification Length...
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CDBfields TheTransferLengthfieldspecifiesthelengthofthetransferinbytes.0Fixed TheTransferLengthfieldspecifiesthelengthofthetransferinblocks.Thesizeofeachblock (inbytes)isdeterminedbythecurrentBlockLengthgivenintheModeSelectParameterblock descriptor. 1 Nodataistransferred.Thecurrentlogicalpositionwillbeunchanged.0TransferLength Theamountofdatatobetransferred,inbytesorblocksasdeterminedbytheFixedfield.>0 WRITEspecificstatus Seealsothe“AdditionalSensecodes”(page191)foravarietyofpossibleharderrors....
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WRITEATTRIBUTE8Dh TheWRITEATTRIBUTEcommandallowsanapplicationclienttowriteattributevaluestoMAM (MediumAuxiliaryMemory).ApplicationclientsshouldissueREADATTRIBUTEcommandsbefore usingthiscommandtodiscoverwhatsupportthedeviceserverhasforMAM. Pre-executionchecks MediaAccessUnitAttentionDeferredErrorIllegalField Forthiscommandtobeexecuted,theremustbeatapeinthedrive,evenifitisonlypartially loaded. Commanddescriptorblock 01234567 OperationCode(8Dh)0 Reserved(0)1–4 VolumeNumber(0)5 Reserved(0)6 PartitionNumber7...
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01234567 :: Attributexm n Thisisnotmandatoryandwillbeignoredbythedeviceserverbecauseitduplicatesthe ParameterListLength. ParameterDataLength IftheparameterdatacontainsanattributewithanAttributeLengthofzero,oneofthefollowing actionswilloccur: •Iftheattributeisread-onlyorunsupported,noattributesarechanges.Thecommandfails, returningCHECKCONDITIONwithILLEGALREQUESTsenseandadditionalsenseof2600h (invalidfieldinparameterlist). •Iftheattributecanbewrittento,itisdeletedandwillnotbereturnedafterasubsequentREAD...
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WRITEBUFFER3Bh WriteBufferisusedtotransferdataintomemoryonthedriveforthepurposesofdiagnostics,tests orfirmwareupgrade.ThedataisplacedintooneofthedrivebuffersdependingontheModeand BufferIDfieldsofthecommand. CAUTION:Donotattempttousethebuffermodifyingfunctionsofthiscommandunlessyoureally knowwhatyouaredoing.Thebuffermodifyingfunctionsareintendedasadiagnosticaidtobe usedinconjunctionwiththeReadBuffercommand.Itisnotpossibletomodifydatainthebuffer...
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Thismodeisusedtoindicatethatthecompletefirmwareimagehasbeensenttothe drive.ThisisthesignalforenteringtheFLASHreprogrammingstageofthefirmware upgradeprocess. Oncethiscommandhasbeenreceived,andtheassociateddatastoredinthebuffer, theresidentfirmwarechecksthevalidityoftheimagethathasbeenreceived.Ifthis seemstobecorrect,theFirmwareUpgradeoperationwillcommence.Ifanyfaultsare detectedintheformatoftheimage,thedrivewillreportCHECKCONDITIONtothe host.ThesensekeyisABORTEDCOMMAND,andtheadditionalsenseissetto2600h...
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Mainprocessormemory NotalltheProcessormemoryspaceisaccessible.Takecarewhenwritingtoanyaddresseswithin thisbuffer. SCSIburstbuffer Addressablerangefrom00000hthrough3F8000h. PCAEEPROM Thewriterangeislimitedto500hbytes,startingat100h(TapeToolsarea). WRITEFILEMARKS10h WRITEFILEMARKScausesthespecifiednumberoffilemarkstobewrittenbeginningatthecurrent logicalpositionontape. IftheImmedbitisset,GOODstatusmaybereportedandthemarksleftinthedatabuffer....
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