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HP Lto 5 Manual

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Page 101

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)

Page 102

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...

Page 103

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...

Page 104

DisableTargetInitiatedPortEnableDTIPE
ThedriveenablesitsportintotheloopwithoutwaitingforaLoopPortEnable
primitive.
0
ThedrivewaitsforaninitiatortosendtheLoopPortEnableprimitivebeforeinserting
itselfintotheloop.ThedriveusesthehardaddressavailableintheSCAconnector
ordeviceaddressjumperstodetermineifprimitivesareaddressedtoit.ALoop
PortEnableprimitivewiththebroadcastaddresswillalsocausethedrivetoinsert
itselfintotheloop.
Note:IftheDTIPEbitissetto1,thePLPBbitmustbesetto0.
1...

Page 105

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...

Page 106

Aone-bytecounterthatisincrementedbyonebythedeviceservereverytimethevalues
inthismodepageortheEnhancedPHYControlmodepagearechanged.Whenthe
counterreachesitsmaximumvalueofFFh,thenextincrementwrapsitbackto01h.The
GenerationCodefieldisalsocontainedintheEnhancedPHYControlmodepageandthe
Protocol-SpecificPortlogpage,andmaybeusedtocorrelatePHYsettingsacrossmode
pageandlogpageaccesses.
GenerationCode
Thegenerationcodeisunknown.00h
EachSASmodedescriptorisdefinedasfollows:
01234567
Reserved(0)+0...

Page 107

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...

Page 108

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...

Page 109

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):...

Page 110

IftheTestflagisclearthenextcommandwillbeprocessednormally.0Test
Atestbitofonewillgeneratefalseinformationalexceptionconditions.Asaresult,the
nextSCSIcommandaftertheModeSelectwillreturnCHECKCONDITIONwithasense
keyofRECOVEREDERRORandadditionalsenseof5DFFh(failurepredictionthreshold
exceeded-false).TheDExcptbitmustnotbesetatthesametime.
1
TheTestbitwillneverbereadas1whenperformingaModeSensecommand.Thisisnotan
indicationthatthedriveisintestmode.Forexample,usingtheTestbitandTestFlagNumber,...
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