HP Lto 5 Manual

							ResultingPartition1ResultingPartition0
Second
Partition
Size
First
Partition
Size
Additional
Partitions
DefinedIDPSDPFDP
0(non-existent)1.5TB0FFFFh00h100
0(non-existent)1.5TB005DCh
1.5TB–s–37.5GB
(overhead)
sGB,wheres=37.5*nnl1n38nl37.5*(n–1)
						

							Regardlessofwhichmethodwasusedtospecifypartitionsizes(FDP,SDPorIDPbits),oncea
FORMATMEDIUMcommandhascompleted,aMODESENSEcommandwillalwaysreportIDP=1.
Thedrivewillnotretaininformationonhowthepartitionswerespecified.
Protocol-SpecificLogicalUnitmodepage(FCdrives)
01234567
PageCode{18h}Rsvd(0)PS(0)0
PageLength{06h)1
Reserved(0)2
EPDC[1]Reserved(0)3
Reserved(0)4–7
ThetargetdoesnotusetheprecisedeliveryfunctionandignoresthecontentsoftheCRNfield
intheFibreChannelExtendedLinkServiceFCP_CNTL.HPLTOUltriumdrivessupportthis
featurebydefault.
0EPDC
ThelogicalunitusestheprecisedeliveryfunctiondefinedintheFCP-2standard.Itmakesuse
oftheCRNfield.
1
Protocol-SpecificLogicalUnitmodepage(SASdrives)
01234567
PageCode(18h)SPF(0)PS(0)0
PageLength{06h)1
ProtocolIdentifier(6h)TLR(0)Reserved(0)2
Reserved(0)3–7
TransportLayerRetriesTLR
Transportlayerretriesaredisabled.0
ThetargetportsupportstransportlayerretriesforXFER_RDYandDATAframesforthe
logicalunit.
1
TheprotocoltowhichthismodepageappliesisSAS.6ProtocolIdentifier
Protocol-SpecificPortmodepage(FCdrives)
ForFCdrives,theProtocol-SpecificPortControlpageallowsyoutosettheinitializationand
addressingbehavioroftheFibreChannelinterface.
01234567
PageCode{19h}Rsvd(0)PS(0)0
PageLength{06h)1
ProtocolIdentifier(FCP=0)Reserved(0)2
DTOLI(0)DTIPE(0)ALWLI(0)RHA(0)DLM(1)DDIS(0)PLPB(0)DTFD(0)3
Reserved(0)4–5
102Commands 
						

							01234567
RR_TOVUnits(3)Reserved(0)6
ResourceRecoveryTime-OutValue—RR_TOV(F0h,thatis,24s)7
DisableTargetFabricDiscovery.Ifthedriveisnotattachedtoanarbitratedloop,theDTFDbit
isignored.
DTFD
Whenattachedbyanarbitratedloop,thedrivewilldiscoverafabricloopportif
oneispresentontheloopandperformpublicloopfunctions.
0
Whenattachedbyanarbitratedloop,thedrivewillnotrecognizethepresenceof
afabricloopportontheloop.Thedriveperformsonlytheprivateloopfunctions.
1
PreventLoopPortBypassPLPB
ThedriveallowstheLoopPortBypass(LPB)andLoopPortEnable(PBE)primitive
sequencestocontroltheportbypasscircuit.
0
ThedriveignoresanyLoopPortBypass(LPB)andLoopPortEnable(LPE)primitive
sequences.Theloopportremainsenabled.WhenthePLPBbitiszero,thedrive
allowstheLPBandPBEprimitivesequencestocontroltheportbypasscircuit.
Note:IfthePLPBbitissetto1,theDTIPEbitmustbesetto0.
1
DisableDiscoveryDDIS
ThedrivemustwaittoreceiveanAddressDiscoveryLinkService(ADISC)orPort
DiscoveryLinkService(PDISC)beforeitresumesprocessingtasksfortheinitiator.
0
ThedrivedoesnotrequirereceiptofAddressorPortDiscoveryfollowingloop
initialization.Thedriveresumesprocessingoftasksoncompletionofloop
initialization.
1
DisableLoopMaster.DLM
Thedrivemaybecomeloopmasterduringtheloopinitializationprocess.0
Thedrivewillneverattempttobealoopmaster;itonlyrepeatsLISMframesit
receives.Thisallowstheinitiatortobeloopmasterduringloopinitialization.
1
RequireHardAddress.Ifthedriveisnotattachedtoanarbitratedloop,theRHAbitisignored.RHA
Thedrivefollowsthenormalinitializationprocedure,includingthepossibilityof
obtainingasoftaddressduringtheloopinitializationprocess.
0
Whenattachedtoanarbitratedloop,thedrivewillonlyattempttoobtainitshard
address(availableviathedeviceaddressjumpers)duringloopinitialization.The
drivewillnotattempttoobtainanaddressduringtheLISAphaseofinitialization.
Ifthereisaconflictforthehardaddressselectionduringloopinitializationorit
doesnothaveavalidhardaddressavailable,thedrivewillenterthe
non-participatingstate.Ifthedrivedetectsloopinitializationwhileinthe
non-participatingstate,itwillagainattempttogetitshardaddress.Ifthehard
addresshasnotchangedfromtheaddressobtainedinaprevioussuccessfulloop
initialization,thedrivewillattempttoobtaintheaddressintheLIFAphaseifavalid
FabricLoginexistsorintheLIPAphaseofloopinitialization.Ifthehardaddress
haschanged,thetargetwillattempttoobtainthenewaddressintheLIHAphase.
1
AllowLoginWithoutLoopInitializationALWLI
Thedriveisrequiredtoverifyitsaddressthroughtheloopinitializationprocess
beforealoginisaccepted.
0
ThedriveusesthehardaddressavailableintheSCAconnectorordeviceaddress
jumpersandacceptsloginswithoutverifyingtheaddresswithloopinitialization.
1
MODESELECT15h/55h103 
						

							DisableTargetInitiatedPortEnableDTIPE
ThedriveenablesitsportintotheloopwithoutwaitingforaLoopPortEnable
primitive.
0
ThedrivewaitsforaninitiatortosendtheLoopPortEnableprimitivebeforeinserting
itselfintotheloop.ThedriveusesthehardaddressavailableintheSCAconnector
ordeviceaddressjumperstodetermineifprimitivesareaddressedtoit.ALoop
PortEnableprimitivewiththebroadcastaddresswillalsocausethedrivetoinsert
itselfintotheloop.
Note:IftheDTIPEbitissetto1,thePLPBbitmustbesetto0.
1
DisableTargetOriginatedLoopInitializationDTOLI
ThedrivegeneratestheInitializingLIPafteritenablesaportintoaloop.0
ThedrivedoesnotgeneratetheInitializingLIPfollowinginsertionintoaloop.Itwill
respondtoanInitializingLIPwhenitisreceived.ItwillgeneratetheLoopFailure
LIPatitsinputandtheInitializingLIPwhentheloopfailureiscorrected.
1
ResourceRecoveryTime-OutValueUnit.Thefieldspecifiestheunitofmeasureasfollows:RR_TOVUnits
Notimerspecified000b
0.001s001b
0.1s,unitsusedbyHPLTOUltriumdrives011b
10s101b
ThenumberoftimeunitsspecifiedbytheRR_TOVUnitsfieldthatareusedbythetimerthat
performstheRR_TOVtime-outfunctions.
RR_TOV
240x0.1sunits=24secondsF0h
Protocol-SpecificPortmodepage(SASdrives)
InadditiontotheProtocol-SpecificPortmodepage(ie.whenSPF=0),thefollowingsubpages
arealsosupported:
DescriptionSubpage
PHYControlandDiscovermodepage01h
SharedPortControlmodepage02h
EnhancedPHYControlmodepage03h
allothers
WhentheSubPageFormatbit(SPF)is0,pagecode19hrepresentstheProtocol-SpecificPortmode
page:
01234567
PageCode(19h)SPF(0)PS(0)0
PageLength(0Eh)1
ProtocolIdentifier(6h)ReadyLED
Meaning(0)
Broadcast
AsynchronousEvent(0)
Continue
AWT(0)
Reserved
(0)
2
Reserved(0)3
I_TNexusLossTime[07D0h]4
5
104Commands 
						

							01234567
InitiatorResponseTimeout[03E8h]6–7
RejecttoOpenLimit[0]8
9
Reserved(0)10–15
Thetimeforwhichthetargetportwillretryconnectionrequeststoaninitiatorportthat
arerejectedwithresponsesindicatingtheinitiatorportmaynolongerbepresentbefore
recognizinganI_Tnexusloss.Valuesareasfollows:
I_TNexusLossTime
Vendorspecificamountoftime0000h
Timeinmilliseconds.Thedefaultvalueof07D0hfallswithinthisrange,so
thedrivewillretryrequestfor2seconds,thatis,07D0h(2000)milliseconds.
0001h–
FFFEh
Retryrequestsforever.FFFFh
Thetimeinmillisecondsforwhichthedrivewillwaitforaninitiatortostartingsending
writedataframesafterithasacknowledgedaXFER_RDYframe,beforeabortingthe
commandassociatedwiththistransfer.Avalueofzeromeansthatthedrivewillwait
forever.
InitiatorResponseTimeout
Theminimumtimein10µsincrementsthatthetargetportwillwaittoestablisha
connectionrequestwithaninitiatorportonanI_TnexusafterreceivingandOPEN_REJECT
(RETRY),OPEN_REJECT(RESERVEDCONTINUE0),orOPEN_REJECT(RESERVED
CONTINUE1).ThisvaluemayberoundedasdefinedinSPC-4.ARejecttoOpenLimit
fieldsetto0000hindicatesthattheminimumtimeisvendor-specific.Thisminimumtime
isenforcedbytheportlayer.
RejecttoOpenLimit
PHYControlandDiscoversub-page(SASdrivesonly)
Thesub-pageconsistsofapageheaderfollowedtwoPHYmodedescriptors.
01234567
PageCode(19h)SPF(1)PS(0)0
Sub-PageCode(01h)1
PageLength(0064h)2
3
Reserved(0)4
ProtocolIdentifier(6h)Reserved(0)5
GenerationCode6
NumberofPHYs(2)7
SASPHYModeDescriptors
FirstSASPHYModeDescriptor(48bytes)8
55
SecondSASPHYModeDescriptor(48bytes)56
103
MODESELECT15h/55h105 
						

							Aone-bytecounterthatisincrementedbyonebythedeviceservereverytimethevalues
inthismodepageortheEnhancedPHYControlmodepagearechanged.Whenthe
counterreachesitsmaximumvalueofFFh,thenextincrementwrapsitbackto01h.The
GenerationCodefieldisalsocontainedintheEnhancedPHYControlmodepageandthe
Protocol-SpecificPortlogpage,andmaybeusedtocorrelatePHYsettingsacrossmode
pageandlogpageaccesses.
GenerationCode
Thegenerationcodeisunknown.00h
EachSASmodedescriptorisdefinedasfollows:
01234567
Reserved(0)+0
PHYIdentifier[0,1]+1
Reserved(0)+2–3
AttachedReasonAttachedDeviceTypeRsvd(0)+4
NegotiatedLogicalLinkRateReason(0)+5
Rsvd(0)AttachedSMP
InitiatorPort
AttachedSTP
InitiatorPort
AttachedSSP
InitiatorPortReserved(0)+6
Rsvd(0)AttachedSMP
TargetPort
AttachedSTP
TargetPort
AttachedSSP
TargetPortReserved(0)+7
SASAddress(MSB)+8
(LSB)+15
AttachedSASAddress(MSB)+16
(LSB)+23
AttachedPHYIdentifier+24
Reserved(0)+25–31
HardwareMinPhysicalLinkRate(8h)ProgrammedMinPhys.LinkRate[8h]+32
HardwareMaxPhysicalLinkRate(Ah)ProgrammedMaxPhys.LinkRate[Ah]+33
Reserved(0)+34–41
VendorSpecific[0000h](MSB)+42
(LSB)+43
Reserved(0)+44–47
AssociatesthisSASModeDescriptorwithaparticularPHYwithinthetapedrive.PHYIdentifier
ThetypeofSASdeviceconnectedtothisPHY:AttachedDeviceType
Nodevice
Enddevice
Edgeexpanderdevice
Fanoutexpanderdevice
Reserved
000b
001b
010b
011b
110b–111b
106Commands 
						

							Thelinkratenegotiatedduringthelastlinkreset.ThismaybelessthantheProgrammed
MinimumPhysicalLinkRateorgreaterthantheProgrammedMaximumPhysicalLinkRate
iftheyhavebeenchangedsincethelastlinkreset.Valuesappropriateforthisdeviceare
asfollows:
NegotiatedLogicalLink
Rate
PHYisenabled.Unknownphysicallinkrate.UNKNOWN0h
PHYisdisabled.DISABLED1h
PHYisenabled—1.5Gb/sG18h
PHYisenabled—3.0Gb/sG29h
PHYisenabled—6.0Gb/sG3Ah
TheattachedPHYiscapablebehavingasaSSP/STP/SMPinitiator.1AttachedSSP/STP/SMP
InitiatorPort
TheWWNofthisPHY.SASAddress
TheWWNofthePHYconnectedtothisPHY.AttachedSASAddress
ThePHYidentifierfortheattachedPHY.AttachedPHYIdentifier
Theminimumlinkratethatwillbenegotiatedforduringthenextlinkresetsequence.ProgrammedMinimum
PhysicalLinkRate
Themaximumlinkratethatwillbenegotiatedforduringthenextlinkresetsequence.ProgrammedMaximum
PhysicalLinkRate
SharePortControlmodesub-page
01234567
PageCode(19h)SPF(1)PS(0)0
Sub-PageCode(02h)1
PageLength(000Ch)2
3
Reserved(0)4
ProtocolIdentifier(6h)Reserved(0)5
PowerLossTimeout(0000h)6
7
Reserved(0)8–15
NOTE:AlthoughPowerLossTimeoutisnotsupport,thepagecanstillberetrieved.
EnhancedPHYControlmodesub-page
ThispageconsistsofapageheaderfollowedbytwoEnhancedPHYControlmodedescriptors.
01234567
PageCode(19h)SPF(1)PS(0)0
Sub-PageCode(03h)1
PageLength(002Ch)2
3
MODESELECT15h/55h107 
						

							01234567
Reserved(0)4
ProtocolIdentifier(6h)Reserved(0)5
GenerationCode6
NumberofPHYs(2)7
EnhancedPHYControlmodedescriptors
FirstEnhancedPHYControlmodedescriptor(20bytes)8
27
SecondEnhancedPHYControlmodedescriptor(20bytes)28
47
Aone-bytecounterthatisincrementedbyonebythedeviceservereverytimethevalues
inthispageorthePHYControlandDiscovermodesub-pagearechanged.Whenthe
counterreachesitsmaximumvalueofFFh,thenextincrementwrapsitbackto01h.The
GenerationCodefieldisalsocontainedintheEnhancedPHYControlmodepageandthe
Protocol-SpecificPortlogpage,andmaybeusedtocorrelatePHYsettingsacrossmode
pageandlogpageaccesses.
GenerationCode
Thegenerationcodeisunknown.00h
EachEnhancedPHYControlmodedescriptorisdefinedasfollows:
01234567
Reserved(0)+0
PHYIdentifier[0-1]+1
DescriptorLength(0010h)+2
+3
ProgrammedPHYCapabilities+4
+7
CurrentPHYCapabilities+8
+11
AttachedPHYCapabilities+12
+15
Reserved(0)+16–17
NegotiatedPhysicalLinkRateNegotiated
SSCReserved(0)+18
HardwareMuxing
SupportedReserved(0)+19
108Commands 
						

							PowerConditionmodepage
ThePowerConditionmodepagecontrolsthepowerconditiontransitions(idleorstandby)ofa
logicalunit:
01234567
PageCode{1Ah}SPF(0)PS(0)0
PageLength{0Ah)1
Reserved(0)2
Standby(0)Idle(0)Reserved(0)3
IdleConditionTimer(MSB)4
(LSB)7
StandbyConditionTimer(MSB)8
(LSB)11
TheIdleandStandbybitsarenotchangeable.Becausebotharesetto0,theTimersareignored.
InformationExceptionsmodepage
TheInformationExceptionsmodepageisusedtocontrolexceptionreportingthroughthe“Requested
Recoverylogpage”(page67):
01234567
PageCode{1Ch}Rsvd(0)PS(0)0
PageLength{0Ah)1
LogErr(0)Rsvd(0)TestDExcptReserved(0)Perf(0)2
MRIE(3h)Reserved(0)3
IntervalTimer(0)(MSB)4
(LSB)7
ReportCount/TestFlagNumber(MSB)8
(LSB)11
Informationalexceptionoperationsthatcausedelaysareacceptable.0Perf
DisableExceptionControlDExcpt
Informationexceptionoperations(suchasTapeAlertflagsbeingactivated,depending
onthevalueoftheTASERbitintheDeviceConfigurationExtensionmodepage)are
enabled.ThereportingofinformationexceptionconditionsisdeterminedfromtheMRIE
field.
0
Default.ADExcptbitofoneindicatesthetargetwilldisableallinformationexception
operations.Themethodofreportinginformationalexceptionsfieldisignoredwhen
DExcptissettoone.TheTestbitmustnotbesetatthesametime.
1
MODESELECT15h/55h109 
						

							IftheTestflagisclearthenextcommandwillbeprocessednormally.0Test
Atestbitofonewillgeneratefalseinformationalexceptionconditions.Asaresult,the
nextSCSIcommandaftertheModeSelectwillreturnCHECKCONDITIONwithasense
keyofRECOVEREDERRORandadditionalsenseof5DFFh(failurepredictionthreshold
exceeded-false).TheDExcptbitmustnotbesetatthesametime.
1
TheTestbitwillneverbereadas1whenperformingaModeSensecommand.Thisisnotan
indicationthatthedriveisintestmode.Forexample,usingtheTestbitandTestFlagNumber,
itmaybepossibletosetaflagwiththeDExcptbitsetto1.WhentheDExcptbitisnextset,the
drivewillreportCHECKCONDITIONwithasensekeyofRECOVEREDERRORandadditional
senseof5DFFh(failurepredictionthresholdexceeded-false).InordertosettheDExcptbit
again,notethattheTestbitmuststillbesetduringtheModeSelectcommand.
LogErrorsbit.Thisbitmustbezero,indicatingthattheloggingofinformationalexception
conditionswithinthedriveisvendor-specific.
0LogErr
MethodofReportingInformationalExceptionsMRIE
Thisfieldindicatesthemethodusedbythetargettoreportinformationalexception
conditionsandmustbesetto3.Thetargetwillreportinformationalexceptionconditions
byreturningaCHECKCONDITIONstatusonanycommand.Thesensekeywillbeset
toRECOVEREDERRORwithadditionalsenseof5D00h(failurepredictionthreshold
exceeded).ThecommandthathastheCHECKCONDITIONwillcompletewithouterror
beforeanyinformationalexceptionconditionmaybereported.
3h
Mustbezero,indicatingthatthedriveonlyreportsaninformationalexceptioncondition
once.
0IntervalTimer
IftheTestbitisalsozero,thereisnolimitonthenumberoftimesthedrivecanreport
aninformationalexceptioncondition.Treatthiscasewithcaution;onlyahardresetor
power-cyclewillclearthiscondition.
0ReportCount/Test
FlagNumber
IftheTestbitiszero,thisfieldistheReportCount,andindicatesthenumberoftimesthe
deviceserverwillreportaninformationalexceptioncondition(subjecttotheDExcptbit).
IftheTestbitisone,thisfieldistheTestFlagNumber,thatis,thenumberofasupported
TapeAlertflag.Thetargetwillgenerateatestinformationalexceptioncondition.Asa
result,thenextSCSIcommandafterMODESELECTwillreturnCHECKCONDITIONwith
asensekeyofRECOVEREDERRORandadditionalsenseof5DFFh(failureprediction
thresholdexceeded-false).Thefollowingarevalidsettings:
n
ThissetstheTapeAlertflagwiththisnumberintheLog
page.
1through64
ThisclearstheTapeAlertflagindicatedbytheabsolute
valueoftheTestFlagNumber.
−1through−64
(FFFFFFFFh–FFFFFFC0h)
ThissetsalltheTapeAlertflagssupportedbythetargetin
theLogpage.
32767(7FFFFh)
Notethatifanattemptismadetosetorclearaflagthatisnotsupportedbythedrive,CHECK
CONDITIONwillbereportedwithasensekeyofILLEGALREQUESTandadditionalsenseof
2600h(invalidfieldinparameterlist).
MediumConfigurationmodepage
TheMediumConfigurationmodepageisusedtospecifyspecialrestrictionswhenthedeviceserver
isprocessingcommandsthataccessthetape.
01234567
PageCode(1Dh)SBF(0)PS(0)0
PageLength(1Eh)1
WORMMReserved(0)2
110Commands