HP Lto 5 Manual

01234567
AttributeIDxm
n
TheAvailableDatafieldcontainsthenumberofbytesofattributevaluesreturned.Evenifthedata
returnedhastobetruncatedbecausetheAllocationLengthistoosmall,thecontentsoftheAvailable
Datafieldremainthesame.
Fordetailsoftheavailableattributesandtheformatofthedatareturnedforeach,see“MAM
attributedata”(page132).
AttributeListserviceaction
Thisserviceactionisusedtoretrievetheidentifiersofalltheattributesthataresupportedandexist....

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....

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...

Standarddevicetypeattributes
FormatSize(bytes)AttributeID
Binary8Remainingcapacityinpartition0000h
Binary8Maximumcapacityinpartition0001h
Binary8TapeAlertflags0002h
Binary8Loadcount0003h
Binary8MAMspaceremaining0004h
ASCII8Assigningorganization0005h
Binary1Formatteddensitycode0006h
Binary1Initializationcount0007h
ASCII0–32Volumeidentifier0008h
Binary4Volumechangereference0009h
Reserved000Ah–0209h
ASCII40Devicemake/serialnumberatlastload020Ah
ASCII40Devicemake/serialnumberatload–1020Bh...

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...

DescriptionFormatSize
(bytes)
AttributeID
Thelengthofthetapeinmeters.Avalueof0
meansthelengthisundefined.
Binary4Mediumlength0402h
Thewidthofthetapeinmm127Binary4Mediumwidth0403h
Containsthestring“LTO-CVE”.ASCII8Assigningorganization0404h
Thetapedensitycode.Binary1Mediumdensitycode0405h
Thedateofmanufactureintheformat
YYYYMMDD.
ASCII8Mediummanufacturerdate0406h
ThetotalcapacityoftheMAM,notitsfreespace.Binary8MAMcapacity0407h
Thetypeoftape:Binary1Mediumtype0408h
Datacartridge
Cleaningcartridge...

DescriptionFormatSize
(bytes)
AttributeID
Theloadorunloadoccursatthebeginning
ofthetape.Thisisthedefaultsettingifthe
attributedoesnotexist.
0Binary1Load/unloadatpartition080Ah
Loadsandunloadsatthepartitionspecified
intheCDBareallowed
1
ASCII16Applicationformatversion080Bh
Containsinformationusedtomaintaincoherency
ofinformationonavolume.Itmaybeusedto
identifywhetherthevolumecontentshave
changedsincethelasttimethisattributewas
writtentoMAM.
Binary23–nVolumecoherencyinformation080Ch
Reserved080Dh–
BFFh...

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...

Innon-encryptingmode,themaximumblocksizeis16MB(=16777215or
FFFFFFhbytes).
Inencryptingmode,themaximumis8MB(=8388608or7FFFFFhbytes),
allowingheadroomincasetheencrypteddataexpands.
MaximumBlockLength
READBUFFER3Ch
READBUFFERreadsdatafromthememoryonthedriveandsendsittotheinitiator.Thevalueof
theModefielddetermineswhetheronlythe4-bytedescriptorisreturned,onlythedataisreturned,
orwhetherbotharereturned.
Pre-executionchecks
UnitAttentionDeferredErrorReservationIllegalField...

TheBufferIDindicateswhichbufferistoberead.Thebuffersaredefinedasfollows:BufferID
OffsetBoundaryCategoryMemoryAreaBufferID
4byteRAMMainbuffermemory00h
4bytesRAMFCandSASprimaryburstbuffer02h
1byteEEPROMCMEEPROM10h
1byteEEPROMMechanicalEEPROM11h
1byteEEPROMHeadassemblyEEPROM12h
1byteEEPROMPCAEEPROM13h
1byteEEPROMPCA2EEPROM14h
detailsbelow4byteseachRAMMainbuffersegments0–720h–27h
seebelowSnapshotdatabuffer40h
TheBufferOffsetfieldmaybesettoanyaddressinthebuffer,butmustobeythespecifiedOffset
Boundary....