HP Lto 5 Manual

							01234567
AttributeIDxm
n
TheAvailableDatafieldcontainsthenumberofbytesofattributevaluesreturned.Evenifthedata
returnedhastobetruncatedbecausetheAllocationLengthistoosmall,thecontentsoftheAvailable
Datafieldremainthesame.
Fordetailsoftheavailableattributesandtheformatofthedatareturnedforeach,see“MAM
attributedata”(page132).
AttributeListserviceaction
Thisserviceactionisusedtoretrievetheidentifiersofalltheattributesthataresupportedandexist.
TheFirstAttributeIDfieldintheCDBisignored.Theattributeidentifiersarereturnedinascending
numericalorder.Theformatofthereturneddataisasfollows:
01234567
AvailableData(n−3)(MSB)0
(LSB)3
FirstAttributeID4
a
::
AttributeIDxm
n
TheAvailableDatafieldspecifiesthenumberofbytesofattributeIDdatareturned.Evenifthe
datareturnedhastobetruncatedbecausetheAllocationLengthistoosmall,thecontentsofthe
AvailableDatafieldremainthesame.
Atwo-byteAttributeIDisreturnedforeachattributeavailableonMAM.See“AttributeIDvalues”
(page133)foradescriptionoftheAttributeIDvalues.
PartitionListserviceaction
ThePartitionListserviceactionisusedtoreportthenumberofpartitionssupportedinthespecified
volume.TheFirstAttributeIDfieldintheCDBisignored.Theinformationreturnedisasfollows:
01234567
AvailableData(2)(MSB)0
(LSB)1
FirstPartitionNumber2
NumberofPartitionsAvailable3
TheFirstPartitionNumberisthefirstpartitionavailableonthespecifiedvolume.
TheNumberofPartitionsAvailableindicatesthenumberofpartitionsavailableonthespecified
volume(1or2).
READATTRIBUTE8Ch131 
						

							VolumeListserviceaction
TheVolumeListserviceactionisusedtoreportthenumberofvolumesthatthedeviceserver
supports,whichinthecaseofLTOUltriumdrivesis1.TheVolumeNumber,PartitionNumberand
AttributefieldsintheCDBareignored.Theinformationreturnedisasfollows:
01234567
AvailableData(2)(MSB)0
(LSB)1
FirstVolumeNumber(0)2
NumberofVolumesAvailable(1)3
TheFirstPartitionNumberisthefirstvolume.SinceLTOUltriumdrivesdonotsupportmultiple
volumes,thisis0.
TheNumberofVolumesAvailableindicatesthenumberofpartitionsavailable.SinceLTOUltrium
drivesdonotsupportmultiplevolumes,thisis1.
READATTRIBUTEspecificstatus
ThecommandwillbeterminatedandwillreturnCHECKCONDITIONunderthefollowing
circumstances:
AdditionalSenseSenseKeyDescription
(mediumnotpresent)3A00hNOTREADYThereisnocartridgepresentinthedrive,notevenpartially
loaded.
(MAMnotaccessible)0410hMEDIUM
ERROR
TheMAMisnotaccessibleeventhoughthereisatapein
thedrive.
(MAMreaderror)1112hMEDIUM
ERROR
TheMAMhasfailed(forexamplefromabadchecksum).
(invalidfieldinCDB)2400hILLEGAL
REQUEST
ThecombinationofVolumeNumberandPartitionNumber
isnotvalid.
(invalidfieldinCDB)2400hILLEGAL
REQUEST
TheServiceActionfielddoesnotmatchasupportedService
ActionID.
(invalidfieldinCDB)2400hILLEGAL
REQUEST
TheFirstAttributeIDfielddoesnotmatchasupportedFirst
AttributeID.
MAMattributedata
AttributedatasentwithaWRITEATTRIBUTEcommandorreturnedinresponsetoaREADATTRIBUTE
commandhasthefollowingformat:
01234567
AttributeIdentifier(MSB)0
(LSB)1
FormatReserved(0)Read-Only2
AttributeLength(n−4)(MSB)3
(LSB)4
132Commands 
						

							01234567
AttributeValue(MSB)5
(LSB)n
TheformatimpliesnothingaboutthephysicalrepresentationofthedataintheMediumAuxiliary
Memory.
Thebinaryidentifierforasingleattribute.See“AttributeIDvalues”below.AttributeIdentifier
Specifieswhetheranattributeisread-only.ThebitisignoredbytheREADATTRIBUTE
command.
Read-Only
TheattributemaybechangedbytheWRITEATTRIBUTEcommand.0
TheattributecannotbechangedbyWRITEATTRIBUTE.1
SpecifiesthedataformatoftheAttributeValuefield.Thepossiblevaluesare:Format
DescriptionValue
Binary.TheAttributeValuefieldcontainsbinarydata.00b
ASCII.TheAttributeValuefieldcontainsonlygraphiccodes(20h–7Eh).
Itmustbeleft-alignedandcontain20h(ASCIIspace)inanyunusedbytes.
01b
Text.TheAttributeValuefieldcontainstextualdata.Thecharactersetis
asdescribedintheTextLocalizationIdentifierattributein“Standardhost
typeattributes”(page136).
10b
Reserved.11b
ThelengthinbytesoftheAttributeValuefield.AttributeLength
AttributeIDvalues
AttributescanbeStandardorVendor-Unique.Therearethreegroupsofattributes:Device,Medium
andHostattributes.Eachgrouphasalistofattributes,whichcharacterizethegroup:
Read-OnlyStandard/Vendor-UniqueAttributeTypeAttributeID
YesStandardDevice0000h–03FFh
YesStandardMedium0400h–07FFh
NoStandardHost0800h–0BFFh
YesVendor-UniqueDevice0C00h–0FFFh
n/aVendor-UniqueMedium1000h–13FFh
NoVendor-UniqueHost1400h–17FFh
Reserved1800h–FFFFh
WRITEATTRIBUTEcommandsareonlyacceptedforHosttypeattributes(eitherStandardor
Vendor-Unique).
TryingtoreadorwriteDeviceorMediumtypevendor-uniqueattributeswillfailandCHECK
CONDITIONstatusisreported.SensedatawillbeasdescribedintheIllegalFieldChecks.
READATTRIBUTE8Ch133 
						

							Standarddevicetypeattributes
FormatSize(bytes)AttributeID
Binary8Remainingcapacityinpartition0000h
Binary8Maximumcapacityinpartition0001h
Binary8TapeAlertflags0002h
Binary8Loadcount0003h
Binary8MAMspaceremaining0004h
ASCII8Assigningorganization0005h
Binary1Formatteddensitycode0006h
Binary1Initializationcount0007h
ASCII0–32Volumeidentifier0008h
Binary4Volumechangereference0009h
Reserved000Ah–0209h
ASCII40Devicemake/serialnumberatlastload020Ah
ASCII40Devicemake/serialnumberatload–1020Bh
ASCII40Devicemake/serialnumberatload–2020Ch
ASCII40Devicemake/serialnumberatload–3020Dh
Reserved020Eh–021Fh
Binary8TotalMBwritteninmediumlife0220h
Binary8TotalMBreadinmediumlife0221h
Binary8TotalMBwrittenincurrent/lastload0222h
Binary8TotalMBreadincurrent/lastload0223h
Binary8Logicalpositionoffirstencryptedblock0224h
Binary8Logicalpositionoffirstunencryptedblockafterthe
firstencryptedblock
0225h
Reserved0225h–03FFh
NativecapacitiesinMB,assumingnodatacompression.Remainingcapacityinpartitionand
Maximumcapacityinpartition
1bitperflag(MSB=flag1,LSB=flag64).Bitsspecifyflagssetduringprevious
load.
TapeAlertflags
Thenumberoftimesthistapehasbeenfullyloaded.Itisneverreset.Loadcount
ThespacecurrentlyfreeintheMAM.ThetotalMAMcapacityisreportedinthe
MAMCapacityattributedefinedin“Standardmediumtypeattributes”
(page135).Notethatitmaynotalwaysbepossibletouseallthefreespaceina
givenMAMimplementation.Dependingontheinternalorganizationofthememory
andthesoftwarethatcontrolsit,fragmentationissuesmaymeanthatcertain
attributesizesmightnotbefullyaccommodatedastheMAMnearsitsmaximum
capacity.
MAMspaceremaining
TheVendorIDoftheorganizationthatwilldefineattribute0006h.Itcontainsthe
string“LTO-CVE”.
Assigningorganization
Themediumdensitycode.Formatteddensitycode
134Commands 
						

							Thetapeisnotinitialized0Initializationcount
Inothercases1
SetandresetbytheSETMEDIUMATTRIBUTEADCcommand.Volumeidentifier
Indicateschangesinthestateofthemediumrelatedtologicalobjects.Volumechangereference
Theseattributesprovidearollinghistoryofthelastfourdeviceserversinwhich
thetapehasbeenloaded.Theformatoftheattributesisasfollows:
Devicemake/serialnumberatlast
loadandDevicemake/serial
numberatload–n01234567
VendorIdentification(MSB)0
(LSB)7
ProductSerialNumber(MSB)8
(LSB)39
ThesamevalueasisreturnedintheSCSIINQUIRY
commandbythedeviceserver,paddedwithASCII
spaces(20h).
VendorIdentification
Vendor-assignedserialnumber,paddedwithASCII
spaces(20h).
ProductSerialNumber
Thetotalnumberofdatabyteswrittentoorreadfromthetape(afteranydata
compressionhasbeenapplied)overtheentiretapelife.Thesefiguresare
cumulativeandwillneverbereset.
TotalMBwritteninmediumlifeand
TotalMBreadinmediumlife
Thesearesimilartotheattributesabovebutapplytothecurrentload(ifthetape
iscurrentlyloaded)orthelastload(ifthetapeiscurrentlyunloaded).Thedevice
servershouldresettheseattributestozerowhenthetapeisloaded.
TotalMBwrittenincurrent/lastload
andTotalMBreadincurrent/last
load
Logicaladdressontapeofthefirstencryptedblockontape.
Iftherearenoencryptedblocks,settoFFFFFFFFFFFFFFFFh.
Ifitisunknownwhetherthereareanyencryptedblocks,thensettoFFFFFFFF
FFFFFFFEh.
Logicalpositionoffirstencrypted
block
Logicaladdressontapeofthefirstunencryptedblockontapethatfollowsthe
firstencryptedblockontape.
TheattributevalueissettoFFFFFFFFFFFFFFFFhifthelogicalpositionoffirst
encryptedblockattributeissetto:
•FFFFFFFFFFFFFFFFh;or
•anyvalueotherthanFFFFFFFFFFFFFFFFhorFFFFFFFFFFFFFFFEhandno
blockafterthefirstencryptedblockcontainsunencrypteddata.
TheattributevalueissettoFFFFFFFFFFFFFFFEhifthelogicalpositionoffirst
encryptedblockattributeissetto:
•FFFFFFFFFFFFFFFFh;or
•anyvalueotherthanFFFFFFFFFFFFFFFFhorFFFFFFFFFFFFFFFEhanditis
unknownwhetheranyblockafterthefirstencryptedblockcontainsunencrypted
data.
Logicalpositionoffirstunencrypted
blockafterthefirstencryptedblock
Standardmediumtypeattributes
DescriptionFormatSize
(bytes)
AttributeID
Thenameofthemanufacturer.ASCII8Mediummanufacturer0400h
Theserialnumber,left-alignedandpaddedwith
ASCIIspaces(20h).
ASCII32Mediumserialnumber0401h
READATTRIBUTE8Ch135 
						

							DescriptionFormatSize
(bytes)
AttributeID
Thelengthofthetapeinmeters.Avalueof0
meansthelengthisundefined.
Binary4Mediumlength0402h
Thewidthofthetapeinmm127Binary4Mediumwidth0403h
Containsthestring“LTO-CVE”.ASCII8Assigningorganization0404h
Thetapedensitycode.Binary1Mediumdensitycode0405h
Thedateofmanufactureintheformat
YYYYMMDD.
ASCII8Mediummanufacturerdate0406h
ThetotalcapacityoftheMAM,notitsfreespace.Binary8MAMcapacity0407h
Thetypeoftape:Binary1Mediumtype0408h
Datacartridge
Cleaningcartridge
WORMcartridge
0
1
80h
Othervaluesarereserved.
Onlymeaningfulforacleaningcartridge,where
itgivesthemaximumnumberofcleaningcycles
permitted.
Binary2Mediumtypeinformation0409h
Reserved040Ah–
07FFh
Standardhosttypeattributes
Theseonlyexistiftheyareinitializedbyanapplication:
DescriptionFormatSize
(bytes)
AttributeID
ASCII8Applicationvendor0800h
ASCII32Applicationname0801h
ASCII8Applicationversion0802h
Theuserlevelidentifierforthetape.Text160Usermediumtextlabel0803h
FormatisYYYYMMDDHHMM(0–24hours)ASCII12Dataandtimelastwritten0804h
Definesthecharactersetfortheattributesdefined
as“text”.Seethetablebelow.
Binary1Textlocalizationidentifier0805h
Allowsanapplicationservertostorethecontents
ofabarcodeassociatedwiththemediuminthe
MAM.
ASCII32Barcode0806h
ThehostserverfromwhichtheUserMediumText
Labeloriginates.
Text80Owninghosttextualname0807h
Indicatesthemediapooltowhichthistape
belongs.
Text160Mediapool0808h
IdentifierforthepartitionspecifiedintheCDB.ASCII16Partitionusertextlabel0809h
136Commands 
						

							DescriptionFormatSize
(bytes)
AttributeID
Theloadorunloadoccursatthebeginning
ofthetape.Thisisthedefaultsettingifthe
attributedoesnotexist.
0Binary1Load/unloadatpartition080Ah
Loadsandunloadsatthepartitionspecified
intheCDBareallowed
1
ASCII16Applicationformatversion080Bh
Containsinformationusedtomaintaincoherency
ofinformationonavolume.Itmaybeusedto
identifywhetherthevolumecontentshave
changedsincethelasttimethisattributewas
writtentoMAM.
Binary23–nVolumecoherencyinformation080Ch
Reserved080Dh–
BFFh
Vendor-uniquemediumtypeattributes
DescriptionFormatAttribute
Length
NameAttribute
IDBytes
4
bytes
LTOCMSerialNumber0–3Binary28UniqueCartridge
Identity(not
applicableto
cleaningcartridges)
1000h
8
bytes
Tapepancakeidentificationfield
fromtheManufacturer’sWord
4–11
8
bytes
Manufacturer’sNamefieldfromthe
Manufacturer’sWord
12–19
4
bytes
TheLPOSvalueatLP1(deducedfrom
thetape,orextractedfromthe
InitializationDatapageintheCM)
20–23
2
bytes
CartridgeTypefieldfromthe
CartridgeManufacturer’sPageinthe
LTOCM
24–25
2
bytes
Reserved(settozero)26–27
4
bytes
LTOCMSerialNumber0–3Binary24AlternativeUnique
CartridgeIdentity
1001h
8
bytes
Tapepancakeidentificationfield
fromtheManufacturer’sWord
4–11
10
bytes
CartridgeSerialNumber12–21
2
bytes
CartridgeTypefieldfromthe
CartridgeManufacturer’sPageinthe
LTOCM
22–23
READATTRIBUTE8Ch137 
						

							Textlocalizationidentifiers
TheTextLocalizationIdentifierdefinesthecharactersetusedforattributeswithatextformat:
FormatID
Nocodespecified(ASCII)00h
ISO/IEC8859-1(Europe,LatinAmerica)01h
ISO/IEC8859-2(EasternEurope)02h
ISO/IEC8859-3(SEEurope/miscellaneous)03h
ISO/IEC8859-4(Scandinavia/Baltic)04h
ISO/IEC8859-5(Cyrillic)05h
ISO/IEC8859-6(Arabic)06h
ISO/IEC8859-7(Greek)07h
ISO/IEC8859-8(Hebrew)08h
ISO/IEC8859-9(Latin5)09h
ISO/IEC8859-10(Latin6)0Ah
Reserved0Bh–7Fh
ISO/IEC10646(Unicode)80h
ISO/IEC10646-1,Amendmentno.2(UTF-8)81h
Reserved82h–FFh
READBLOCKLIMITS05h
READBLOCKLIMITStellsthedrivetoreturndatadefiningthemaximumblocksizethatitcan
support.Notethatthisisthemaximumsupportable,notthefixedblocksize.
Pre-executionchecks
UnitAttentionDeferredErrorReservationIllegalField
Commanddescriptorblock
01234567
OperationCode(05h)0
Reserved(0)1–4
Control5
ReadBlockLimitsdata
01234567
00h0
MaximumBlockLength(FFFFFFh)(MSB)1
(LSB)3
MinimumBlockLength(0001h)(MSB)4
(LSB)5
138Commands 
						

							Innon-encryptingmode,themaximumblocksizeis16MB(=16777215or
FFFFFFhbytes).
Inencryptingmode,themaximumis8MB(=8388608or7FFFFFhbytes),
allowingheadroomincasetheencrypteddataexpands.
MaximumBlockLength
READBUFFER3Ch
READBUFFERreadsdatafromthememoryonthedriveandsendsittotheinitiator.Thevalueof
theModefielddetermineswhetheronlythe4-bytedescriptorisreturned,onlythedataisreturned,
orwhetherbotharereturned.
Pre-executionchecks
UnitAttentionDeferredErrorReservationIllegalField
IfanyofthefollowingrulesarebrokenthenCHECKCONDITIONstatusisreported.Sensedata
willbeasdescribedinIllegalFieldChecks.
Commanddescriptorblock
01234567
OperationCode(3Ch)0
ModeReserved(0)1
BufferID2
BufferOffset(MSB)3
(LSB)5
AllocationLength(MSB)6
(LSB)8
Control9
CDBfields
A4-bytedescriptorisreturned,followedby(AllocationLength−4)bytesofdata.The
dataisreadfromthebufferidentifiedbytheBufferID,startingfromoffsetzerointhe
buffer.
TheBufferIDandBufferOffsetmustbothbe00h.
00000bMode
ThedrivereturnsAllocationLengthbytesofdatawhichisreadfromthebufferidentified
bytheBufferID,startingfromBufferOffsetbytesfromthestartofthebuffer.
TherearenorestrictionsonthevalueofBufferIDandBufferOffset,exceptthattheBuffer
Offsetmustbekeptwithinthebuffersize.
00010b
Thedrivereturnsa4-bytedescriptorforthebufferidentifiedbytheBufferIDfield.Invalid
bufferIDswillreturnabufferdescriptorofallzeros.
TheBufferOffsetfieldmustbezero.
00011b
ThedrivereturnsdatafromtheEchoBuffer.TheBufferIDandOffsetareignored.01010b
ThedrivereturnstheEchoBufferdescriptor.TheBufferIDandOffsetareignored.01011b
READBUFFER3Ch139 
						

							TheBufferIDindicateswhichbufferistoberead.Thebuffersaredefinedasfollows:BufferID
OffsetBoundaryCategoryMemoryAreaBufferID
4byteRAMMainbuffermemory00h
4bytesRAMFCandSASprimaryburstbuffer02h
1byteEEPROMCMEEPROM10h
1byteEEPROMMechanicalEEPROM11h
1byteEEPROMHeadassemblyEEPROM12h
1byteEEPROMPCAEEPROM13h
1byteEEPROMPCA2EEPROM14h
detailsbelow4byteseachRAMMainbuffersegments0–720h–27h
seebelowSnapshotdatabuffer40h
TheBufferOffsetfieldmaybesettoanyaddressinthebuffer,butmustobeythespecifiedOffset
Boundary.
BufferOffset
Theamountofdatatoreturn.AllocationLength+BufferOffsetmustbewithinthebuffersize.Allocation
Length
Memorysizes
Size:256MB,reportedsizeFFFFFFh.
Becausethebufferisgreaterthan16MB,additionalbufferIDshavebeendefinedtoallowthe
buffertobeaccessedin16MBsegments.theseareasfollows:
MainBufferMemory
AddressBufferID
00000000h+BufferOffset(sameasBufferID00h)20h
01000000h+BufferOffset(inotherwords,+16MB)21h
02000000h+BufferOffset(inotherwords,+32MB)22h
03000000h+BufferOffset(inotherwords,+48MB)23h
04000000h+BufferOffset(inotherwords,+64MB)24h
05000000h+BufferOffset(inotherwords,+80MB)25h
06000000h+BufferOffset(inotherwords,+96MB)26h
07000000h+BufferOffset(inotherwords,+112MB)27h
08000000h+BufferOffset(inotherwords,+128MB)28h
09000000h+BufferOffset(inotherwords,+144MB)29h
0A000000h+BufferOffset(inotherwords,+160MB)2Ah
0B000000h+BufferOffset(inotherwords,+176MB)2Bh
0C000000h+BufferOffset(inotherwords,+192MB)2Ch
0D000000h+BufferOffset(inotherwords,+208MB)2Dh
0E000000h+BufferOffset(inotherwords,+224MB)2Eh
0F000000h+BufferOffset(inotherwords,+240MB)2Fh
NotalloftheProcessorMemoryspaceisaccessible.Thefollowingtableshowsvalidaddress
segments:
ProcessorMemory
140Commands