HP Lto 5 Manual

							01234567
CodeSetReserved(0)6
Reserved(0)7
ServiceBufferTitle8–n
TypicalSizeDescriptionBufferID
500kBErrorlog–TheinformationinthislogmaybeusedbyanHPengineerto
diagnosefailuresattributedtothedrive,mediumorautomationcontroller.
41h
200kBDriveHealthlog–TheinformationinthislogmaybeusedbyaHPengineer
toevaluatethegeneralhealthofthedriveandidentifyanypotentialproblem
areas.
42h
ServiceBuffers
TheDriveHealthLog,servicebuffer(42h)isnotreportedintheServiceBufferInformationlog
page.ThisisprimarilybecausetheErrorLogcontainsvirtuallyalltheinformationoftheDrive
Healthlogsoitisunnecessaryforanautomationcontrollertoretrieveallservicebufferslistedin
theServiceBuffersInformationlogpage.
HPservicebuffersdonothaveafixedcapacitybutarelimitedtoamaximumcapacityof512
kilobytes.
AsHPservicebuffersaresolarge,adescriptormode(03h)READBUFFERcommandforaservice
bufferwillinitiateasnapshotoftheservicebufferifanunreadsnapshotdoesnotexist,butthe
deviceserverwillcompletethecommandbeforethesnapshotiscomplete.InthiscasetheREAD
BUFFERdescriptorwillindicatethemaximumcapacityoftheservicebufferintheBUFFERCAPACITY
field.Whentheservicebuffersnapshotiscompleted,theRecoveryRequested(RRQST)bitinthe
VHFdataissettooneandtheRecoveryProcedureintheRequestedRecoverylogpageissetto
0Eh–ReadaDTDeviceErrorLog.
Adescriptormode(03h)READBUFFERcommandforanunreadservicebufferwillreturntheactual
capacityoftheservicebufferintheREADBUFFERdescriptorBUFFERCAPACITYfield.
Ifadatamode(02h)READBUFFERcommandforaservicebufferisexecutedwhileaservicebuffer
snapshotisbeingcreated,thedeviceserverwillterminatethecommandwithCHECKCONDITION,
asensekeyofILLEGALREQUESTandadditionalsenseof0016h(operationinprogress).
AnHPLTO-5tapedrivemaysettheRecoveryRequested(RRQST)bitintheVHFdatatooneand
theRecoveryProcedureintheRequestedRecoverylogpagewillbesetto0Dh–Requestcreation
ofaDTDeviceErrorLog.
TapeDiagnosticlogpage
TheTapeDiagnosticDatalogpageprovidesanumberoferror-eventrecordsusingthelistparameter
format.Eacherror-eventrecordcontainsdiagnosticinformationforasingleerrortypeencountered
bythedeviceincludingdatacountersassociatedwiththeerrorevent,sensedata,operation
code/serviceaction,andmediumtypewithassociatedmediamotionhours,andsoon.
ItonlyincludesparameterentriesforcommandsthatterminatedwithCHECKCONDITIONanda
sensekeyofMEDIUMERROR,HARDWAREERRORorABORTEDCOMMAND.
Theparametercodevalueassociatedwithanerror-eventindicatestherelativetimeatwhicha
commandterminatedwithaCHECKCONDITIONstatus.Alowerparametercodeindicatesthat
thecommandterminatedwithCHECKCONDITIONatamorerecenttime.Theparametercode
valuesreturnedarenumberedconsecutivelyfrom0000h(themostrecent)upton,wherenisthe
numberofcurrentparameterentries.
LOGSENSE4Dh71 
						

							Thenumberofsupportedparameterentriesis60;30non-volatileentriesand30volatileentries.
01234567
PageCode(16h)SPF(0)DS(0)0
Subcodepage(00h)1
PageLength(n–3)(MSB)2
(LSB)3
Tapediagnosticdatalogparameters
TapeDiagnosticDatalogparameter(first)4
::
TapeDiagnosticDatalogparameter(last)n
Eachlogparameterisformattedasfollows:
01234567
ParameterCode(MSB)0
(LSB)1
Format&Linking(11b)TMC(0)ETC(0)TSD(0)ObsoleteDU(0)2
ParameterLength(44h)3
Reserved(0)4–5
DensityCode6
MediumType7
LifetimeMediumMotionHours8–11
Reserved(0)12
SenseKeyReserved(0)Repeat13
AdditionalSenseCode14
AdditionalSenseCodeQualifier15
DriveErrorCode16
19
ProductRevisionLevel20
23
HoursSinceLastClean24
27
Opcode28
ServiceActionReserved(0)29
Reserved(0)30–31
MediumIdentifier32
63
TimestampOrigin(0)Reserved(0)64
72Commands 
						

							01234567
Reserved(0)65
Timestamp66
71
Theshortform(16–bitinteger)driveerrorcorrespondingtothefailurereportedto
thehost.
DriveErrorCode
VolumeStatisticsLogpage
Thislogprovidesinformationabouttheuseofthetapedevice.
01234567
PageCode(17h)SPF(0)DS(0)0
Subcodepage(00h)1
PageLength(MSB)2
(LSB)3
VolumeStatisticslogparameter(first)4
::
VolumeStatisticslogparameter(last)m
DeviceStatisticslogparameters
Thesupportedlogparametersincludethoseshownbelow;moreparametersareexpectedtobe
addedasdevelopmentprogresses.
TypeLength
(bytes)
DescriptionParameter
Code
Counter2Pagevalid0000h
Counter4Threadcount0001h
Counter8Totaldatasetswritten0002h
Counter4Totalwriteretries0003h
Counter2Totalunrecoveredwriteerrors0004h
Counter2Totalsuspendedwrites0005h
Counter2Totalfatalsuspendedwrites0006h
Counter8Totaldatasetsread0007h
Counter4Totalreadretries0008h
Counter2Totalunrecoveredreaderrors0009h
Counter2Lastmountunrecoveredwriteerrors000Ch
Counter2Lastmountunrecoveredreaderrors000Dh
Counter4Lastmountmegabyteswritten000Eh
Counter4Lastmountmegabytesread000Fh
Counter4Lifetimemegabyteswritten0010h
LOGSENSE4Dh73 
						

							TypeLength
(bytes)
DescriptionParameter
Code
Counter4Lifetimemegabytesread0011h
Counter2Lastloadwritecompressionratio0012h
Counter2Lastloadreadcompressionratio0013h
Counter8Mediummounttime0014h
Counter8Mediumreadytime0015h
Counter4Totalnativecapacity0016h
Counter4Totalusednativecapacity0017h
String10Volumeserialnumber0040h
String8Tapelotidentifier0041h
String32Volumebarcode0042h
String8Volumemanufacturer0043h
String4Volumelicensecode0044h
String9Volumeformat0045h
Counter2Writeprotect0080h
Counter2VolumeisWORM0081h
Counter2Maximumrecommendedtapepathtemperatureexceeded0082h
Counter4Beginningofmediumpasses0101h
Counter4Middleofmediumpasses0102h
Partition12Firstencryptedlogicalobjectidentifier(s)0200h
Partition12FirstunencryptedlogicalobjectontheEOPsideofthefirstencrypted
logicalobjectidentifier(s)
0201h
Partition8Approximatenativecapacityofpartition(s)0202h
Partition8Approximateusednativecapacityofpartition(s)0203h
Volumestatisticsdatacounterlogparameter
Mostofthelogparametersarecounters,andareformattedasfollows:
01234567
ParameterCode(MSB)0
(LSB)1
FormatandLinking(11b)TMC(0)ETC(0)TSD(0)Obsolete(0)DU(0)2
ParameterLength(n–3)3
VolumeStatisticsDataCounter4–n
Volumestatisticspartitionrecordlogparameter
01234567
ParameterCode(MSB)0
(LSB)1
74Commands 
						

							01234567
FormatandLinking(11b)TMC(0)ETC(0)TSD(0)Obsolete(0)DU(0)2
ParameterLength(n–3)3
VolumeStatisticsPartitionRecordDescriptors4–n
Thislogparameterwillreportonedescriptorofthefollowingformat:
01234567
PartitionDescriptorLength(n)0
Reserved(0)1
PartitionNumber2–3
PartitionRecordDataCounter4–n
Volumestatisticsstringdatalogparameter
01234567
ParameterCode(MSB)0
(LSB)1
FormatandLinking(11b)TMC(0)ETC(0)TSD(0)Obsolete(0)DU(0)2
ParameterLength(n–3)3
StringData4–n
Protocol-SpecificPortLogpage(SASdrivesonly)
Thebasicstructureofthepageisasfollows:
01234567
PageCode(18h)SPF(0)DS(0)0
SubpageCode(00h)1
PageLength(78h)(MSB)2
(LSB)3
Protocol-SpecificLogParameter04
63
Protocol-SpecificLogParameter164
123
Protocol-specificlogparameters
01234567
ParameterCode[0,1](MSB)0
(LSB)1
FormatandLinking(3h)TMC(0)ETC(0)TSD(0)Obsolete
(0)DU(0)2
LOGSENSE4Dh75 
						

							01234567
ParameterLength(38h)3
ProtocolIdentifier(6h)Reserved(0)4
Reserved(0)5
GenerationCode6
NumberofPhys(1)7
Reserved(0)8
PHYIdentifier[0,1]9
Reserved(0)10
SASPHYLogDescriptorLength(30h)11
AttachedReasonAttachedDeviceTypeRsvd
(0)
12
NegotiatedPhysicalLinkRateReason(0)13
Rsvd(0)AttachedSMP
InitiatorPort
AttachedSTP
InitiatorPort
AttachedSSP
InitiatorPortReserved(0)14
Rsvd(0)AttachedSMP
TargetPort
AttachedSTP
TargetPort
AttachedSSP
TargetPortReserved(0)15
SASAddress(8bytes)(MSB)16
(LSB)23
AttachedSASAddress(8bytes)(MSB)24
(LSB)31
AttachedPHYIdentifier32
Reserved(0)(7bytes)33–39
InvalidDWORDCount(4bytes)(MSB)40
(LSB)43
RunningDisparityErrorCount(4bytes)(MSB)44
(LSB)47
LossofDWORDSynchronizationCount(4bytes)(MSB)48
(LSB)51
PHYResetProblemCounts(4bytes)(MSB)52
(LSB)55
Reserved(0)(2bytes)56–57
PHYEventDescriptorLength(0)58
NumberofPHYEventDescriptors(0)59
TherelativeportidentifierParameterCode
Aone-bytecounterthatisincrementedeachtimethevaluesineitherthePHYControland
DiscovermodepageortheEnhancedPHYControlmodepagechange.Thiscounterwraps
fromFFhto01hasavalueof00hmeansunknown.ThecounterisusedtocorrelatePHY
settingsacrossmodeandlogpages.
GenerationCode
ThesamevalueastheParameterCodePHYIdentifier
76Commands 
						

							1.5Gbps
3.0Gbps
8
9
NegotiatedPhysicalLink
Rate
NumberofinvalidDWORDSreceivedoutsideofPHYresetsequences.InvalidDWORDCount
NumberofDWORDScontainingrunningdisparityerrorsreceivedoutsidethePHYreset
sequences.
RunningDisparityError
Count
NumberoftimesthePHYrestartedthelinkresetsequencebecauseitlostDWORD
synchronization.
LossofDWORD
synchronization
NumberoftimesthePHYdidnotobtainDWORDsynchronizationduringthefinalSAS
speednegotiationwindow.
PHYResetProblemCount
NOTE:ThecountersaretheonlyfieldsaffectedbyaLOGSELECTcommandorthevalueofthe
PCfieldintheLOGSENSEcommand.
TapeAlertlogpage
NOTE:ReadingtheTapeAlertlogclearstheflags,asstipulatedintheTapeAlertspecification.
TheTapeAlertlogpageispage2Eh.Thereare64parametersnumberedfrom1through64.Only
parameters1through18,20through23,29through39and55havedefinitionsfortapedrives
withoutattachedloaders.Theremainingparametersarealwayszero.
TheParameterControlBytevalueforeachparameteris40h.
Allparametersareonebytelong.Eachparameteriseitherzerotoindicatethecorresponding
conditionhasnotoccurredoronetoindicatethatthecorrespondingconditionhasoccurred.All
logparametersareclearedwhenthelogisread.TheLogisalsoclearedatpoweron,onareset
conditionandbyaLogSelectcommand.Specificflagsmaybeclearedwhencorrectiveaction
hasremovedtheconditionthatcausedtheflagtobeset.
Thesupportedparametersareasfollows.TheSetcolumnindicatesiftheflagcanbesetbydrives.
Theotherflagsaresupportedbutneverset.
SetTypeDescriptionParameter
YesWarningReadWarning1
WarningWriteWarning2
YesWarningHardError3
YesCriticalMedia4
CriticalReadFailure5
YesCriticalWriteFailure6
WarningMediaLife7
WarningNotDataGrade8
YesCriticalWrite-Protect9
YesInformationNoRemoval10
YesInformationCleaningMedia11
YesInformationUnsupportedFormat12
YesCriticalRecoverableMechanicalCartridgeFailure13
CriticalUnrecoverableMechanicalCartridgeFailure14
LOGSENSE4Dh77 
						

							SetTypeDescriptionParameter
YesWarningMemoryChipinCartridgeFailure15
YesCriticalForcedEject16
WarningRead-OnlyFormat17
YesWarningTapeDirectoryCorrupted18
YesInformationNearingMediaLife19
YesCriticalCleanNow20
WarningCleanPeriodic21
YesCriticalExpiredCleaningMedia22
YesCriticalInvalidCleaningCartridge23
WarningRetensionRequested24
WarningDual-portInterfaceError25
WarningCoolingFanFailure26
WarningPowerSupplyFailure27
WarningPowerConsumption28
WarningDriveMaintenance29
YesCriticalHardwareA30
YesCriticalHardwareB31
WarningInterface32
YesCriticalEjectMedia33
YesWarningDownloadFault34
WarningDriveHumidity35
YesWarningDriveTemperature36
WarningDriveVoltage37
CriticalPredictiveFailure38
WarningDiagnosticsRequired39
YesWarningLostStatistics50
YesWarningTapeDirectoryInvalidatUnload51
CriticalTapeSystemAreaWriteFailure52
CriticalTapeSystemAreaReadFailure53
CriticalNoStartofData54
YesCriticalLoadingFailure55
YesCriticalUnrecoverableloadFailure56
CriticalAutomationInterfaceFailure57
YesWarningFirmwareFailure58
YesWarningWORMmedium—integritycheckfailed59
YesWarningWORMmedium—overwriteattempted60
78Commands 
						

							TapeUsagelogpage
TheTapeUsagelogpagecodeis30h.Therearenineparameters.Theseareallreaddirectly
fromtheLTO-CMTapeUsageLog.
Thisdatarelatestothecurrenttapeandcanbeneitherresetnorwritten.
UpdatedWhenLengthDescriptionParm.
Tapethreaded4ThreadCount1
Datasetphysicallywritten8TotalDataSetsWritten2
Datasetphysicallywritten4TotalWriteRetries3
Datasetphysicallywritten2TotalUnrecoveredWriteErrors4
Datasetphysicallywritten2TotalSuspendedWrites5
Datasetphysicallywritten2TotalFatalSuspendedWrites6
Datasetphysicallywritten8TotalDataSetsRead7
Datasetphysicallywritten4TotalReadRetries8
Datasetphysicallywritten2TotalUnrecoveredReadErrors9
TapeCapacitylogpage
TheTapeCapacitylogpagecodeis31h.ThePageLengthis20h.Therearefourparameters,1
through4.Allparametersare4byteslong.Allparametersareinmegabytes(1,048,576bytes)
andassumenocompression.ThisdatacanneitherberesetnorwrittenwithLOGSELECT.They
relatetothecurrenttape.
Thesupportedparametersareasfollows:
UpdatedWhenLengthControlByteDescriptionParm.
Datasetphysicallywritten440hMainPartitionRemainingCapacity1
Datasetphysicallywritten460hAlternatePartitionRemainingCapacity2
SETCAPACITYexecutessuccessfully.
Thetapeisformatted.
460hMainPartitionMaximumCapacity3
SETCAPACITYexecutessuccessfully.
Thetapeisformatted.
460hAlternatePartitionMaximumCapacity4
DataCompressionlogpage
TheDataCompressionlogpagecodeis32handthepagelengthis4Ch.Therearetenparameters,
0through9.Parameters0and1aretwobyteslong.Parameters2through9areeach4bytes
long.
Thesupportedfieldsarelistedbelow.Parameters2through9occuraspairsthatrepresentalarge
numberofbytestransferred.Thefirstfour-byteparameterrepresentsthenumberofwholemegabytes
transferred,roundedtothenearestmegabyte.Thesecondfour-byteparameterrepresentsthe
differencebetweenthisnumberofmegabytesandtheactualnumberofbytes.Thismaybeasigned
quantity.
LOGSENSE4Dh79 
						

							Thisdatarelatestothecurrenttapeandisclearedatthestartoftapeload.Itmaynotbewritten.
UpdatedWhenLengthDescriptionParameter
Datasetlogicallyread2Readcompressionratiox1000
Datasetlogicallywritten2Writecompressionratiox1001
Datasetlogicallyread4Megabytestransferredtohost2
Datasetlogicallyread4Bytestransferredtohost3
Datasetlogicallyread4Megabytesreadfromtape4
Datasetlogicallyread4Bytesreadfromtape5
Datasetlogicallywritten4Megabytestransferredfromhost6
Datasetlogicallywritten4Bytestransferredfromhost7
Datasetlogicallywritten4Megabyteswrittentotape8
Datasetlogicallywritten4Byteswrittentotape9
DeviceWellnessLogpage
TheDeviceWellnessLogpagehaspagecode33handconsistsofaFIFOparametercodelistof
thelast16driveerrorconditionscausedbyvarioussensekeys.
However,toenableconnectivitytotheperipheralmanagementtoolsonly,thepagestructurehas
beenimplemented,butallparametervaluesreturnedbythedrivewillbezero.
01234567
PageCode(33h)0
Reserved(0)1
ParameterCode(0100h)(MSB)2
(LSB)3
ParameterCoden(n=0through15)4+(16n)
5+(16n)
LP(1)LBIN(0)TMC(0)ETC(0)TSD(1)DS(1)DU(0)6+(16n)
Reserved(0)7+(16n)
TimeStamp(MSB)8+(16n)
(LSB)11+(16n)
MediaSignature(MSB)12+(16n)
(LSB)15+(16n)
SenseKey16+(16n)
AdditionalSenseCode17+(16n)
AdditionalSenseQualifier18+(16n)
AdditionalErrorInformation19+(16n)
80Commands