HP Lto 5 Manual

							DriveComponentRevisionLevelspages
01234567
PeripheralDeviceType(1)PeripheralQualifier(0)0
PageCode1
Reserved(0)2
PageLength(5Ch)3
Component(“CCCCCCCCCCCC”)(MSB)4
(LSB)29
Version(“RRR.VVV”)(MSB)30
(LSB)48
Date(“YYYY/MM/DD hh:mm”)(MSB)49
(LSB)72
Variant(“XXXXXXXXXXXX”)(MSB)73
(LSB)95
TheDriveComponentRevisionLevelspagescontaindetailsoftherevisionsofeachofthemajor
subassembliesofthedrive.Foranygivenproduct,ifthesepagesarethesamethenthedrivehas
beenbuiltwiththesamecomponentsandwiththesamemanufacturingprocess.
Eachentryisanull-terminatedASCIIstring.
ComponentNamePageCodePageCode
“Firmware”
“Hardware”
“PCA”
“Mechanism”
“Head Assy”
“ACI”
C0h—Firmware
C1h—Hardware
C2h—PCA
C3h—Mechanism
C4h—HeadAssembly
C5h—ACI
A12-characterentrytoidentifythecomponentthattherevisionisfor.Component
A7-characterversioncodewithathree-digitmajorrevisionnumber,aperiodandathree-digit
minorversionnumber.
Version
Thedateoftheversion.Date
Anidentifierindicatingwhatversionoftheproductthisis.Variant
LOAD/UNLOAD1Bh
TheLOAD/UNLOADcommandallowsthehosttospecifythatatapecartridgepresentinthedrive
iseithermadereadyfordatatransfer(“loaded”)ordisabledfordatatransfer(ifPreventMedia
Removalisset).Itcanalsocausethecartridgetobeejectedfromthedrive(“unloaded”).
Pre-executionchecks
DeferredErrorReservationIllegalField
MediaInformationDiagnosticStatusUnitAttention
LOAD/UNLOAD1Bh51 
						

							Ifanunloadistobeperformed,thedrivechecksifthetapeiscurrentlybeingloaded.Ifitis,
CHECKCONDITIONisreportedwithasensekeyofNOTREADYandadditionalsenseof0401h
(becomingready).
Ifaloadistobeperformed,thedrivecheckstoensurethatatapecartridgeispresent.Ifnot,it
reportsCHECKCONDITIONwithasensekeyofNOTREADYandadditionalsenseof3A00h
(mediumnotpresent).Ifthemediaiscurrentlybeingunloadedorejected,itreportsCHECK
CONDITIONwithsensekeyofNOTREADYandadditionalsenseof0400h(causenotreportable).
Commanddescriptorblock
01234567
OperationCode(1Bh)0
ImmedReserved(0)1
Reserved(0)2
Reserved(0)3
LoadReTenEOT(0)HoldReserved(0)4
Control5
CDBfields
Thedrivereportsstatusafterthecommandhascompleted.0Immed
Thedrivereportsstatuswhenitstartsthecommand(afteranypre-executionchecksandprerequisite
unloadshavecompleted).1
Anormalload/unloadwillbeperformed.0Hold
Aloadwillcausethecartridgetobepulledinandseatedinthedrive,butthetapewillnotbe
threaded.Anunloadwillcausethetapetobeunthreaded,butthecartridgewillnotbeejected.In
Holdposition,theCartridgeMemoryisaccessible.
1
Thisfieldisignored.ReTen
Thedriveperformsanunloadoperation.0Load
Thedriveperformsaloadoperation.1
LOAD/UNLOADspecificstatus
FollowingasuccessfulLOADcommand,CHECKCONDITIONispostedtoallinitiatorsotherthan
theinitiatoroftheLOADcommand.ThesensekeyissettoUNITATTENTION,withadditional
senseof2800h(notreadytoreadytransition).Thereisanexceptiontothis:ifaloadoccurswhen
thetapeisalreadyloaded,noUNITATTENTIONsenseisgenerated.
OnceUNITATTENTIONiscleared,unsolicitedpositionalsenseisset.ThesensekeywillbeNO
SENSEwithadditionalsenseof0004h(BOTdetected).
Ifanunformattedtapeisinserted,thedriveloadsitanditbehavesasifitisablanktape.
IfacartridgewithnoCartridgeMemoryorafailedCartridgeMemoryisloaded,CHECK
CONDITIONisreturnedwithasensekeyofMEDIUMERROR,withadditionalsenseof5200h
(cartridgefault).
Loadingacartridge
ThedriveloadsanUltrium5,Ultrium4orUltrium3tapeautomaticallywhenitisinserted,without
anyhostinteraction.Iftheloadissuccessful,mediaaccesscommandsarepermissible(seethe
MediaAccesscheck).
52Commands 
						

							IfthetapeisalreadyloadedwhenaLoadrequestisreceived,thetapeispositionedatthebeginning
ofthetape(asthoughaREWINDhadbeensent).Unlikea“full”load,UNITATTENTIONwith
additionalsenseof2800h(notreadytoreadytransition)isnotgeneratedforotherhosts.
IfthetapeisintheprocessofbeingloadedwhentheLoadrequestisreceived,thedrivewillwait
fortheloadtocompleteand,assumingtheloadwassuccessful,takeoneofthefollowingactions:
•IftheLoadwasissuedbythecurrenthost(thatis,apreviousimmediate-reportedload)and
completedsuccessfully,GOODstatusisreported.Nofurtheractionistaken.
•IftheLoadwasissuedbysomeotherhost(orwasanautoload)andcompletedsuccessfully,
CHECKCONDITIONisreported,withasensekeyofUNITATTENTIONandadditionalsense
of2800h(notreadytoreadytransition).
•IftheLoadwasissuedbythecurrenthostandfailed,CHECKCONDITIONisreported,since
adeferrederrorconditionwillexistforthecurrenthost.
•IftheLoadwasissuedbysomeotherhostandfailed,theloadwillbere-attemptedonbehalf
ofthecurrenthost.
Unloadingacartridge
Ifanunloadisrequestedandthereisatapepresentinthedrive(eitherloaded,loadingor
unloading):
1.Anybuffereddataiswrittentotape.
2.ThetapeisrewoundtothephysicalBOM(beginningofmedia).
3.Ifmediumremovalisprevented,CHECKCONDITIONisreportedwithasensekeyofILLEGAL
REQUESTandadditionalsenseof5302h(mediumremovalprevented).
4.GOODstatusisreportedifthetapeunloadedsuccessfully.Otherwise,anotherunloadoperation
isinitiatedonbehalfofthehostthatissuedtheunloadrequest.
Followinganunload,anymediaaccesscommandswillberejectedbytheMediaAccesscheck.
•Ifanunloadrequestisreceivedwhilethetapeisintheprocessofunloading(forexample,as
aresultofpressingtheejectbutton),itwillbequeueduntiltheunloadiscomplete.
•Ifanunloadrequestisreceivedwhilethereisnotapepresent,orifatapeispresentbutnot
loadedandmediumremovalisprevented,GOODstatusisreported.
ItispossibletounloadandejectthecartridgebypressingtheEjectbuttononthefrontpanel.
LOCATE2Bh/92h
TheLOCATEcommandmovesthecurrentlogicalpositiontothepositionspecifiedbythecommand.
Thenewpositionisspecifiedbytheoffsetfromstartofthemediaintermsofblocks.Thefirstblock
(thatis,BOT)isblockaddress0.
Anyunwrittendataiswrittentotapebeforethecommandisexecuted.
Pre-executionchecks
DeferredErrorReservationIllegalField
DiagnosticStatusMediaAccessUnitAttention
Commanddescriptorblock(10–byteversion)
01234567
OperationCode(2Bh)0
ImmedCPBT(0)Reserved(0)1
Reserved(0)2
LOCATE2Bh/92h53 
						

							01234567
BlockAddress(MSB)3
(LSB)6
Reserved(0)7
Partition8
Control9
Commanddescriptorblock(16–byteversion)
01234567
OperationCode(92h)0
ImmedCPRsvd(0)DestTypeReserved(0)1
BAM(0)Reserved(0)2
Partition3
LogicalIdentifier(MSB)4
(LSB)11
Reserved(0)12
14
Control15
CDBfields
BlockaddressType.ThisfieldisnotsupportedandshouldalwaysbesettozeroindicatingthattheBlock
Addressfieldrepresentsthecountofallblocksandfilemarksbetweenthebeginningofthemediaand
thecurrentlogicalposition.
BT
ChangePartition.
IfCPissetto1whenthecurrentmediaisnotLTO5,thecommandwillbeterminatedwithCHECK
CONDITION,sensekeyofILLEGALREQUEST,andadditionalsenseof2400h(invalidfieldInCDB).
IfCPissetto1forLTO5mediathatisnotpartitioned,andthePartitionfieldisnotsetto0(thedefault
partition),thecommandwillbeterminatedwithCHECKCONDITION,sensekeyofILLEGALREQUEST,
andadditionalsenseof2400h(invalidfieldInCDB).
CP
ThedriveonlyreportsstatusaftertheLocatecommandhascompleted.0Immed
Thedrivereportsstatuswhenitstartsthecommandandcontinueswiththepositioninginthe
background.1
Thisfieldisnotsupported.0BAM
TheBlockAddressspecifiesthenumberofblocksandfilemarksbetweenBOMandthepositiontobe
located.
Block
Address
IfCPissetto0,thisfieldwillbeignored
IfCPissetto1,thisfieldmustindicateavalidpartition(0forasingle-partitionLTO5tape,and0or1
forpartitionedLTO5tape).
Partition
54Commands 
						

							SpecifiesthattheLogicalIdentifierfieldisalogicalobjectidentifier.00bDesttype
SpecifiesthattheLogicalIdentifierfieldisalogicalfileidentifier.01b
Othervaluesarenotsupported.
Thespecificblockontapetolocate.Itcanbeagenericblock,eitherarecordorafilemark(DestType
=00b)oraspecificfilemarkontape(DestType=01b).
Logical
Identifier
LOCATEspecificstatus
AdditionalSenseKeyStatusEvent
0005h(EODencountered).BLANKCHECKCHECK
CONDITION
EODencountered
0002h(EOTencountered).EOMbitset.MEDIUMERRORCHECK
CONDITION
EOMencountered
3B00h(sequentialpositioningerror)HARDWARE
ERROR
CHECK
CONDITION
Failedtoreaddata—mediaerror
ornon-fataldriveerror
EarlywarningendofmediuminformationisnotreportedforLocatecommandsEarlyWarningEOMencountered
3001h(can’treadmedia,unknownformat)MEDIUMERRORCHECK
CONDITION
Dataformatcorrupt
LOGSELECT4Ch
TheLogSelectcommandcauseslogdataonthedrivetoberesettoitsdefaultvalueortobeset
toaninitiatorspecificvalue.
Pre-executionchecks
UnitAttentionDeferredErrorReservationIllegalField
Commanddescriptorblock
01234567
OperationCode(4Ch)0
SP(0)PCRReserved(0)1
Reserved(0)PC2
Reserved(0)3–6
ParameterListLength(MSB)7
(LSB)8
Control9
CDBfields
LOGSELECT4Ch55 
						

							ThefollowingarevalidcombinationsofvaluesforthePCR(ParameterCodeReset),ParameterList
LengthandPC(PageControl)fields
ResultPCParameterList
Length
PCR
Allthelogsonthedrivethatcanberesetareresettotheirdefault
values.
01bor11b01
NoactionistakenandGOODstatusisreturned.00bor10b01
Dataissentfromthehostandiswrittentotheindicatedlogs,
providedthoselogsarewritable.
01bor11b>00
OtherwiseCHECKCONDITIONstatusisreturned,thesensekeyissettoILLEGALREQUESTwith
additionalsenseof2400h(invalidfieldinCDB).
ParameterCodeReset.ThefunctionperformedisdefinedbythePCfield.0PCR
TheSavePage(SP)flagisnotsupportedandmustbesetto0.0SP
ThePageControlfielddefinesthetypeofparametervaluestobeselected:PC
Nooperationisperformed.TheParameterListLengthmustbezero.Ifitisnot,CHECK
CONDITIONwithadditionalsenseof2400h(InvalidFieldInCDB)isset.
00b
or
10b
Thedrivewillclearlogsasspecifiedbytheparameterdata.01b
Thedrivewillclearallofitsinternallogs.11b
Nodataistobetransferred.Thisisnotconsideredanerror.0Parameter
ListLengthSpecifieshowmanybytesofparameterdataaretobesent.Thedatatransferredwillconsistof
zeroormore4-bytelogpageheaderswiththepagelengthinthoseheaderssettozero.For
eachlogpageheaderreceived,thedriveclearstheassociatedlog.
>0
LOGSENSE4Dh
LOGSENSEallowsthehosttoreadthedrive’slogs.Asinglelogisreturnedwitheachinvocation
ofLOGSENSE.
Pre-executionchecks
UnitAttentionDeferredErrorIllegalField
ThePageCodemustmatchoneofthesupportedlogpagecodes.Ifitdoesnot,thenCHECK
CONDITIONstatusisreported.SensedatawillbeasdescribedintheIllegalFieldChecks.
Commanddescriptorblock
01234567
OperationCode(4Dh)0
SP(0)PPC(0)Reserved(0)1
PageCodePC2
Reserved(0)3
4
ParameterPointer5
6
56Commands 
						

							01234567
AllocationLength(MSB)7
(LSB)8
Control9
CDBfields
ThePageControlfielddefinesthetypeoflogparametertobereturned:PC
CurrentThresholdValues—anyparametersinthelogthatarecounterscontainthe
maximumvaluethattheycancountto.
00b
CurrentCumulativeValues—anyparametersinthelogthatarecounterscontaintheir
currentcounts.
Note:Countsareresettotheirdefaultcumulativevalues(seebelow)followinga
power-on,resetortarget/logicalunitreset.Mediarelatedcountsarealsoreset
followingaload.
ForSASdrives,thecountersareresetfollowingapower-onresetorasoftreset
inducedviathefrontpanel.ALUNresethasnoeffect.
01b
DefaultThresholdValues—sameastheCurrentThresholdValues10b
DefaultCumulativeValues—anyparametersinthelogthatarecounterscontainthe
initialvaluesofthosecounters(setatpower-on,resetortarget/logicalunitreset,and,
inthecaseofmedialogs,load).
11b
ThePCfieldhasnoeffectonthedatareturnedwhentheselectedlogcontainseventortrace
codesratherthancounts.
ThePageCodefieldidentifieswhichlogpageisbeingrequestedbythehost.See“Supported
LogPagespage”(page58)forthelistofvalidpagecodes.
PageCode
Allparametersarereturned.0ParameterPointer
Parameterdataofaspecifiedlogpageisreturnedinascendingorderbeginning
fromthiscode.Ifthiscodeislargerthanthelargestparameterinthepage,thedrive
willreturnCHECKCONDITIONwithadditionalsenseof2400h(InvalidFieldIn
CDB).
n
TheAllocationLengthfieldspecifiesthemaximumnumberofbytesofdatathatshouldbe
returnedtothehost.ThedrivewillreturntheentirelogorAllocationLengthbytes,whichever
isthelesser.
AllocationLength
Logpageformat
AlllogpagesexceptPage0consistofapagecodeheaderfollowedbyanumberofparameters.
Thepageheaderhasthefollowingformat:
01234567
PageCode0
Reserved(0)1
PageLength(MSB)2
(LSB)3
ThePageCodespecifieswhichLogpageisbeingreturned.ThePageLengthindicatesthenumber
ofadditionalbytesintheparameters.
FortheLogSelectcommandonly,thefourbytesshownabovearesentforeachlogpagetobe
cleared.ThePageLengthfieldshouldbesettozero.
LOGSENSE4Dh57 
						

							FortheLogSensecommandoneormoreparametersissent.Seetheactualpagedescriptions
aboveformoreinformation.Notethatalltheparametersforaparticularpagemustbesent.Each
parameterhasthefollowingformat:
01234567
ParameterCode(MSB)0
(LSB)1
LP(0)Rsvd(0)TMC(0)ETC(0)TSD(0)DS(1)DU(0)2
ParameterLength(n−3)3
ParameterBytes(MSB)4
(LSB)n
Atwo-bytevaluethatuniquelyidentifiestheparameterwithinthelog.ParameterCode
Mustbezero.ForafulldescriptionofthesefieldsrefertotheSCSI-2standard.0DU,TSD,ETC,TMC
andLP
Mustbe1,indicatingthatdrivewillmaintainthesavingofdataitself.Notethatthe
hostmustsettheSPbitto1inaLOGSELECTcommand,otherwiseaCHECK
CONDITIONwillresult.
1DS
ThelengthofParameterBytesinbytes.ParameterLength
Theactualparameterdata.ParameterBytes
SupportedLogPagespage
ThisSCSIlogmayberecoveredusingaLogSensecommandwiththePCfieldsettoanythingand
thePageCodefieldsetto00h.Thepageliststhepagecodesofotherlogssupportedbythedrive.
Itcanneitherberesetnorwritten.
Thepagehasthefollowingformat:
01234567
PageCode(00h)Reserved(0)0
Reserved(0)1
PageLength(MSB)2
(LSB)3
SupportedPages(00h)4
WriteErrorCounters(02h)5
ReadErrorCounters(03h)6
SequentialAccessDeviceLog(0Ch)7
TemperatureLog(0Dh)8
DTDStatusLog(11h)9
TapeAlertResponseLog(12h)10
RequestedRecoveryLog(13h)11
DeviceStatisticsLog(14h)12
ServiceBuffersInformationLog(15h)13
58Commands 
						

							01234567
TapeDiagnosticsLog(16h)14
VolumeStatisticsLog(17h)15
SASPortLog(18h)16
DataCompressionLog(1Bh)17
TapeAlertLog(2Eh)18
TapeUsageLog(30h)19
TapeCapacityLog(31h)20
DataCompressionLog(32h)21
DeviceWellnessLog(33h)a22
PerformanceLog(34h)23
DTDeviceErrorLog(35h)24
DeviceStatusLog(3Eh)25
aMaynotbepresentinallfirmwareversions.
WriteErrorCounterslogpage
TheWriteErrorCounterslogispage02h.ThePageLengthis38h.Therearesevenparameters,
0through6.Allfieldsarefourbyteslong.
Allthesecountersareupdatedwhenthedatasetisphysicallywritten.Theyrelatetothecurrent
tapeandareclearedwhenthetapeisunloaded.
DescriptionDefinitionParm.
TotalnumberoferrorscorrectedwithoutdelayErrorscorrectedwithoutsubstantialdelay0
TotalnumberoferrorscorrectedusingretriesErrorscorrectedwithpossibledelays1
Sumofparameters3and6Total2
ThenumberofdatasetsthatneededtoberewrittenTotalerrorscorrected3
NumberofCCQsetsrewrittenTotaltimeserrorcorrectionprocessed4
ThetotalnumberofdatasetswrittenTotaldatasetsprocessed5
ThenumberofdatasetsthatcouldnotbewrittenTotaluncorrectederrors6
Thisdatacanberesettozero,butnotwritten.
ReadErrorCounterslogpage
TheReadErrorCounterslogispage03h.ThePageLengthis38h.Therearesevenparameters,
0through6.Allfieldsarefourbyteslong.
Allthesecountersareupdatedwhenthedatasetisphysicallyread.Theyrelatetothecurrenttape
andareclearedwhenthetapeisunloaded.
DescriptionDefinitionParm.
TotalnumberoferrorscorrectedwithoutdelayErrorscorrectedwithoutsubstantialdelay0
TotalnumberoferrorscorrectedusingretriesErrorscorrectedwithpossibledelays1
LOGSENSE4Dh59 
						

							DescriptionDefinitionParm.
Sumofparameters3and6Total2
ThenumberofdatasetsthatwerecorrectedafterareadretryTotalerrorscorrected3
NumberoftimesC2correctionisinvokedTotaltimeserrorcorrectionprocessed4
ThetotalnumberofdatasetsreadTotalbytesprocessed5
ThenumberofdatasetsthatcouldnotbereadafterretriesTotaluncorrectederrors6
Thisdatacanberesettozero,butnotwritten.
SequentialAccessDevicelogpage
TheSequentialAccessDeviceLogpageispage0Ch.ThePageLengthis40h.Fiveparameters
aresupported,alleightbyteslong.Withtheexceptionof0100h(cleaningrequired),theyare
updatedwhenadatasetislogicallywrittenandclearedatthestartoftapeload;thevaluesof
eachparameterrelatetothecurrenttape.
DescriptionParm.
Thenumberofdatabytesreceivedfromapplicationclientsduringwritecommandoperations.Thisisthe
numberofbytestransferredoverSCSI,beforecompression.
0000h
Thenumberofdatabyteswrittentothemediaasaresultofwritecommandoperations,notcountingthe
overheadfromECCandformatting.Thisisthenumberofdatabytestransferredtomedia,aftercompression.
0001h
Thenumberofdatabytesreadfromthemediaduringreadcommandoperations,notcountingtheoverhead
fromECCandformatting.Thisisthenumberofdatabytestransferredfrommediawithcompression.
0002h
Thenumberofdatabytestransferredtotheinitiatororinitiatorsduringreadcommandoperations.Thisis
thenumberofbytestransferredoverSCSI,afterdecompression.
0003h
Cleaningrequired,anon-volatilecleaningindication.0100h
Anon-zerovalueofparameter0100h(cleaningrequired)relatestothedriveItindicatesthata
conditionrequiringcleaninghasbeendetectedandasubsequentcleaningcyclehasnotyetbeen
completed.Theparameterisupdatedasynchronously.Itpersistsacrosshardresetsandpower
cycles,andisclearedwhenacleaningcycleisperformed.
Temperaturelogpage
TheTemperatureLogpageispage0Dh.Thefollowingparametersaresupported:
DescriptionParm.
ThecurrenttemperatureofthedriveinºC(binaryvalue).Ifthetemperatureislessthan0,0isreported.
Ifthetemperaturesensorisnotfunctioningproperly,FFhisreported.
0h
ThemaximumtemperatureinºC(binaryvalue)atwhichthedrivecanoperatecontinuouslywithout
degradingreliabilityandoperation.ThisparameterisnotsupportedsoFFhisreturned.
1h
01234567
PageCode(0Dh)0
Reserved(0)1
PageLength(0Ch)(MSB)2
(LSB)3
60Commands