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...

Ifanunloadistobeperformed,thedrivechecksifthetapeiscurrentlybeingloaded.Ifitis,
CHECKCONDITIONisreportedwithasensekeyofNOTREADYandadditionalsenseof0401h
(becomingready).
Ifaloadistobeperformed,thedrivecheckstoensurethatatapecartridgeispresent.Ifnot,it
reportsCHECKCONDITIONwithasensekeyofNOTREADYandadditionalsenseof3A00h
(mediumnotpresent).Ifthemediaiscurrentlybeingunloadedorejected,itreportsCHECK
CONDITIONwithsensekeyofNOTREADYandadditionalsenseof0400h(causenotreportable).
Commanddescriptorblock...

IfthetapeisalreadyloadedwhenaLoadrequestisreceived,thetapeispositionedatthebeginning
ofthetape(asthoughaREWINDhadbeensent).Unlikea“full”load,UNITATTENTIONwith
additionalsenseof2800h(notreadytoreadytransition)isnotgeneratedforotherhosts.
IfthetapeisintheprocessofbeingloadedwhentheLoadrequestisreceived,thedrivewillwait
fortheloadtocompleteand,assumingtheloadwassuccessful,takeoneofthefollowingactions:
•IftheLoadwasissuedbythecurrenthost(thatis,apreviousimmediate-reportedload)and...

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....

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...

ThefollowingarevalidcombinationsofvaluesforthePCR(ParameterCodeReset),ParameterList
LengthandPC(PageControl)fields
ResultPCParameterList
Length
PCR
Allthelogsonthedrivethatcanberesetareresettotheirdefault
values.
01bor11b01
NoactionistakenandGOODstatusisreturned.00bor10b01
Dataissentfromthehostandiswrittentotheindicatedlogs,
providedthoselogsarewritable.
01bor11b>00
OtherwiseCHECKCONDITIONstatusisreturned,thesensekeyissettoILLEGALREQUESTwith
additionalsenseof2400h(invalidfieldinCDB)....

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....

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...

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....

DescriptionDefinitionParm.
Sumofparameters3and6Total2
ThenumberofdatasetsthatwerecorrectedafterareadretryTotalerrorscorrected3
NumberoftimesC2correctionisinvokedTotaltimeserrorcorrectionprocessed4
ThetotalnumberofdatasetsreadTotalbytesprocessed5
ThenumberofdatasetsthatcouldnotbereadafterretriesTotaluncorrectederrors6
Thisdatacanberesettozero,butnotwritten.
SequentialAccessDevicelogpage
TheSequentialAccessDeviceLogpageispage0Ch.ThePageLengthis40h.Fiveparameters...