HP Lto 5 Manual

							6Supportandotherresources
Relateddocuments
Thefollowingdocumentsprovideadditionalinformation:
DocumentsspecifictoHPLTOUltriumdrives
•HardwareIntegrationGuide,volume1oftheHPLTOUltriumTechnicalReferenceManual
•SoftwareIntegrationGuide,volume2oftheHPLTOUltriumTechnicalReferenceManual
•Specifications,volume4oftheHPLTOUltriumTechnicalReferenceManual
•UNIX,LinuxandOpenVMSConfigurationGuide,volume5oftheHPLTOUltriumTechnical
ReferenceManual
PleasecontactyourHPsupplierforcopies.
•ThefeaturesandbenefitsofHPLTOUltriumdrivesarediscussedintheHPLTOUltrium
TechnologyWhitePaper.
•ForageneralbackgroundtoLTOtechnologyandlicensing,gotohttp://
www.lto-technology.com.
Documentationmap
ThefollowingwillhelpyoulocateinformationintheTechnicalReferenceManual.Areferencelike
“1HWIntegration:ch.7”meansVolume1,HardwareIntegrationGuide,oftheHPLTOUltrium
TechnicalReferenceManual,chapter7.
Drives—general
SASDrivesFCDrives
1HWIntegration:ch.71HWIntegration:ch.4Connectors
1HWIntegration:ch.61HWIntegration:ch.3FrontpanelLEDs
4SpecificationsSpecifications
Installationandconfiguration
SASDrivesFCDrives
1HWIntegration:ch.71HWIntegration:ch.4Connectors
2SWIntegration:ch.2Determiningtheconfiguration
1HWIntegration:ch.5n/aExternaldrives
1HWIntegration:ch.1Inlibraries
1HWIntegration:ch.4n/aInservers
1HWIntegration:ch.3n/aIntapearrays
5UNIX,Linux,OpenVMSConfigurationLinuxconfiguration
1HWIntegration:ch.8n/aModesofusage
5UNIX,Linux,OpenVMSConfigurationOpenVMSconfiguration
Relateddocuments231 
						

							SASDrivesFCDrives
1HWIntegration:ch.8n/aOptimizingperformance
2SWIntegration:ch.4
5UNIX,Linux,OpenVMSConfigurationUNIXconfiguration
Operation
SASDrivesFCDrives
1HWIntegration:ch.5n/aExternaldrives
1HWIntegration:ch.1Inlibraries
1HWIntegration:ch.4n/aInservers
1HWIntegration:ch.3n/aIntapearrays
Cartridges
SASDrivesFCDrives
2SWIntegration:ch.5CartridgeMemory(LTO-CM)
1HWIntegration:ch.91HWIntegration:ch.5Cartridges
2SWIntegration:ch.1Managingtheuseofcartridges
2SWIntegration:ch.3Useofcartridges
Interface
SASDrivesFCDrives
3HostInterfaceFC,SCSIandSAShostinterface
guide
3HostInterface:ch.5Commands
1HWIntegration:ch.101HWIntegration:ch.6Errorcodes
3HostInterface:ch.1Implementation
2SWIntegration:ch.3Interpretingsensedata
3HostInterface:ch.2Messages
3HostInterface:ch.5Modepages—seetheMODE
SENSEcommand
3HostInterface:ch.4Pre-executionchecks
2SWIntegration:ch.6Respondingtosensekeysand
ASC/Q
3HostInterface:ch.5SensekeysandASC/Q—see
REQUESTSENSEcommand
3HostInterface:ch.3n/aTaskmanagementfunctions
232Supportandotherresources 
						

							Maintenanceandtroubleshooting
SASDrivesFCDrives
2SWIntegration:ch.5nl2SWIntegration:ch.7
Cleaning
1HWIntegration:ch.5n/aExternaldrives
1HWIntegration:ch.1Inlibraries
1HWIntegration:ch.4n/aInservers
1HWIntegration:ch.3n/aIntapearrays
2SWIntegration:ch.7Monitoringdriveandtapecondition
2SWIntegration:ch.1Softwaretroubleshootingtechniques
Dealingwitherrors
SASDrivesFCDrives
1HWIntegration:ch.101HWIntegration:ch.6Errorcodes
2SWIntegration:ch.5Handlingerrors
3HostInterface:ch.4Logs—seetheLOGSENSEcommand
2SWIntegration:ch.7Recoveringfromwriteandreaderrors
2SWIntegration:ch.3Softwareresponsetoerrorcorrection
2SWIntegration:ch.3Softwareresponsetologs
2SWIntegration:ch.7TapeAlertlog
LTOUltriumfeatures
SASDrivesFCDrives
1HWIntegration:ch.2Autoload
1HWIntegration:ch.2AutomationControlInterface(ACI)
1HWIntegration:ch.2nl2SWIntegration:ch.5
CartridgeMemory(LTO-CM)
2SWIntegration:ch.5Datacompression,managing
2SWIntegration:ch.7OBDRandCD-ROMemulation
1HWIntegration:ch.8n/aPerformanceoptimization
2SWIntegration:ch.1
2SWIntegration:ch.4Performance,factorsaffecting
2SWIntegration:ch.1Softwaredesign
2SWIntegration:ch.5SupportingLTOUltriumfeatures
Generaldocumentsandstandardization
Seehttp://www.t10.org/t10_main.htmforINCITSSCSIPrimaryCommands—3(SPC-3),SCSI
StreamingCommands(SSC-3)andotherspecifications
Relateddocuments233 
						

							Copiesofdocumentsofotherstandardsbodiescanbeobtainedfrom:
11West42ndStreetNewYork,NY
10036-8002USA
INCITS
CP56nlCH-1211Geneva20nlSwitzerland
ISO
Tel:+41228496000nlWebURL:http://www.ecma.ch
114RueduRhônenlCH-1204GenevanlSwitzerland
ECMA
Tel:8008547179or71426114552805McGawnlIrvine,CA92714nlUSA
GlobalEngineering
Documents
234Supportandotherresources 
						

							Glossary
algorithmArigoroussetofrulesforaprocedure.Inthecontextofdatacompression,therulesarefor
transformingthewaydataisrepresented.
ANSIAmericanNationalStandardsInstitute,whichsetsstandardsfor,amongstotherthings,SCSIand
thesafetyofelectricaldevices.
BOMBeginningOfMedia.Thefirstpointonthetapethatcanbeaccessedbythedrive.
checksumThesumofaseriesofbyteswrittentothetape,whichcanbecheckedagainstthesumofthe
sameseriesofbyteswhenthetapeisreadinordertoidentifyerrors.
compressionAprocedureinwhichdataistransformedbytheremovalofredundantinformationinorderto
reducethenumberofbitsrequiredtorepresentthedata.
compressionratioAmeasureofhowmuchcompressionhasoccurred,definedastheratiooftheamountof
uncompresseddatatotheamountofcompresseddataintowhichitistransformed.TheLTO-DC
algorithmcantypicallyachieveacompressionratioofbetween2:1and4:1dependingonthe
natureofthedata.
datasetAfixed-sizeblockofcompressedhostinformation.
decompressionAprocedureinwhichtheoriginaldataisgeneratedfromcompresseddata.
DSITDataSetInformationTable.Partofthedatasetthatdescribesitscontents.
ECMAEuropeanComputerManufacturersAssociation.TheEuropeanequivalentofANSI.
enhanced
commands
SCSIcommandsthatarevendor-uniqueandnotpartofthecommonSCSIset.
EODEndOfData.Anareathatsignifiestheendofthevaliddata.Ifnewdataiswrittenoveralarger
quantityofolddata,itispossiblefordatatoexistafterEOD,butbecauseitisafterEOD,this
olddataisnolongervalid.
EOMEndOfMediaformat.Thelastusablepointonthetape.
EW-EOMEarlyWarningEndOfMedia.Aphysicalmarkoradevice-computedpositiononthetapethat
tellsthedrivethatitisapproachingEOM.
filemarkcountThenumberoffilemarkswrittensincethebeginningofthecurrenttapeuptoandincludingthe
currentgroup.
filemarkAmarkwrittenbythehost.Itdoesnotnecessarilyseparatefiles;itisuptothehosttoassigna
meaningtothemark.
FRUFieldReplaceableUnit,anassemblyorgroupofcomponentsthatisreplacedinitsentiretyby
ServiceEngineerswhenitcontainsafault.
hostThehostcomputersystemactingascontrollerforthedrive.
immediatemodeAmodeofrespondingtoSCSIcommandswherethedriveorotherperipheraldoesnotwaituntil
thecommandhasfinishedbeforereturningstatusinformationbacktothehost.Forwritingfilemarks,
ImmediatemodecansignificantlyimprovetheperformanceofsystemsthatdonotsettheImmediate
bitwhensendingaSCSIWriteFilemarkscommand.Ontheotherhand,dataisnotflushedto
tapeinresponsetoafilemarkcommand.
loadTheprocessinwhichthedrivetakesinaninsertedcartridgeandgoesonline.
LUNLogicalUnitNumber,bywhichdifferentlogicalunitswithinaparticulardevicecanbeaddressed
individually.Eachlogicalunitcontainsadeviceserver.ThedriveprovidesaSSCdeviceserver,
typicallyatLUN0,andanADCdeviceserver,typicallyatLUN7.Bothmaybereassigned,for
exampletheADIautomationcontrollermayreassigntheADCLUNbyusingtheADCDevice
Serverconfigurationmodesub-page.Finally,thedrivealsoprovidesoptionalSMCLUN(s),which
maybeassignedbyanADIautomationcontrolleratthetimeofenablement,typicallyatLUN1.
LVDLow-VoltageDifferential
RAWseeread-after-write
read-after-writeRAWimprovesdataintegritybyreadingdataimmediatelyafteritiswrittenandwritingthedata
againifanerrorisfound.
235 
						

							reservedNotgenerallyavailableforusewiththedrive.Areservedfieldshouldcontainallzerobits.
sensedataDatareturnedaftertheexecutionofaSCSIcommand,tellingthehostwhetherthetransaction
wassuccessful,andifnot,whatwentwrong.
sequentialaccessSequentialaccessdevicesstoredatasequentiallyintheorderinwhichitisreceived.Tapedevices
arethemostcommonsequentialaccessdevices.Devicessuchasdiskdrivesaredirectaccess
devices,wheredataisstoredinblocks,notnecessarilysequentially.Directaccessallowsfor
speedofretrieval,butissignificantlymorecostly.
spacingSpacingismovingalongthetapeoveraspecifiednumberofblocksorfilemarks,ortoEOD,in
ordertofinddataquickly.
sub-datasetOnesixteenthofadataset.
TapeAlertAsetof64flagsisheldintheTapeAlertlogthatindicatefaultsorpredictedfaultswiththedrive
orthemedia.Byreadingthislog,hostsoftwarecaninformtheuserofexistingorimpending
conditions,andcan,forexample,advisetheusertochangethetape.
vendor-uniqueTheadditionofcommandstoSCSIthatarenotincludedinthestandard.
236Glossary 
						

							Index
A
aborthandling,13
AbortedCommand,190
additionalsensecodes,184, 186, 191
addressing,fibrechannel,15
algorithms,235
compression,95
decompression,95
ANSI,231, 233, 235
appenderror,195
ASC/Q,191
attributedata,132
attributes
IDvalues,133
standarddevicetypes,134
standardhosttype,136
standardmediumtype,135
writing,226
B
BadLUNcheck,24
bitpointer,184
BLANKCHECK,190
blankmedia,metduringread,127
blocks,spacingover,221
BOM,184, 235
detected,191
metduringspace,221
BOP,metduringspace,221
BPVbit,184
brackets,round,square,88
buffer
echo,139, 229
reading,139
writing,226, 228
buffereddata,flushedtotape,224
burstsize,92
busdevicedeferrederrors,189
busdevicereset,13, 188
businactivitylimit,92
BUSYstatus,18, 19
C
capacitydata,143
cartridgememory
accessibleinholdposition,52, 94
failed,52, 225
size,141
cartridges
faulty,195
removalprevented,195
CD-ROMemulation,17
CD-ROMEmulation/DisasterRecoveryModepage,114
CD-ROMmode
READ10command,128
READ6command,127
READCAPACITYcommand,142
READTOCcommand,155
SEEKcommand,209
START/STOPcommand,222
CDB,27
CHECKCONDITION,18, 19
checksum,235
cleaning,185, 194
cleaningcartridge,194
CleaningNeededsensedatadescriptor,187
clearinglogs,55
CLNbit,185
commanddescriptorblock,27
commands,29
ENABLETRANSPORTLAYERRETRIES,29
enhanced,235
EnhancedFIRMWAREUPGRADEDOWNLOAD
FIRMWARESEGMENT,29
EnhancedFIRMWAREUPGRADEREBOOT,30
EnhancedFIRMWAREUPGRADEREPORTIMAGEINFO,
31
ERASE,32
FORCESNAPSHOT,34
FORCEDEJECT,33
FORMATMEDIUM,35
INQUIRY,36
LOAD/UNLOAD,51
LOCATE,53
LOGSELECT,55
LOGSENSE,56
MANAGEMENTARMSELF-TEST,85
MODESELECT,86
MOVEMEDIUM,124
overlapping,195
PERSISTENTRESERVEIN,116
PERSISTENTRESERVEOUT,120
READ,125
READ10,17, 128
READ6,17, 127
READATTRIBUTE,129
READBLOCKLIMITS,138
READBUFFER,139
READCAPACITY,17, 142
READFIRMWARETRACELOG,143
READLOGGED-INHOSTTABLE,145
READMEDIASERIALNUMBER,147
READSNAPSHOTLOG,150
READSTTFLOG,154
READTOC,17, 155
RECEIVEDIAGNOSTICRESULTS,156
RELEASEUNIT,157
REPORTDENSITYSUPPORT,159
REPORTDEVICEIDENTIFIER,162
REPORTEnhancedSNAPSHOTCONFIGURATION,
173
237 
						

							REPORTIPCONFIGURATION,163
REPORTLUNS,167
REPORTNETWORKSTATISTICS,168
REPORTSNAPSHOTCOMMANDS,171
REPORTSNAPSHOTCONFIGURATION,172
REPORTSNAPSHOTSAVAILABLE,173
REPORTSUPPORTEDOPCODES,175
REPORTSUPPORTEDTASKMANAGEMENT
FUNCTIONS,178
REPORTTARGETGROUPS,179
REPORTTIMESTAMP,181
REQUESTSENSE,182
RESERVEUNIT,197
REWIND,198
SECURITYPROTOCOLIN,198
SECURITYPROTOCOLOUT,205
SEEK,17, 209
SENDDIAGNOSTIC,209
SETCAPACITY,211
SETDEVICEIDENTIFIER,212
SETEnhancedSNAPSHOTCONFIGURATION,217
SETIPCONFIGURATION,213
SETSNAPSHOTCOMMANDS,213
SETSNAPSHOTCONFIGURATION,215
SETTIMESTAMP,219
SPACE,220
START/STOP,17, 222
supported,12
VERIFY,223
WRITE,224
WRITEATTRIBUTE,226
WRITEBUFFER,228
WRITEFILEMARKS,230
compatibility,194
compression,235
algorithm,95
ratio,235
controlfield,28
ControlModepage,93
currentsense,187
clearing,188
D
DataCompression
Capablebit,95
CharacteristicsModepage,95
Enablebit,95
log,79
SDCA,96
datacompression,235
algorithm,95
datadecompressionalgorithm,95
DataDecompressionEnablebit,95
dataphaseerror,195
DATAPROTECT,190
DCCbit,95
DCEbit,95
DDEbit,95
decompression,235
algorithm,95
DeferredErrorcheck,25
DEFERREDERRORsense,189
deferrederrors,184, 185
descriptorformatsensedata,185
DeviceConfigurationpage,95
DeviceStatisticslogpage,68
DeviceStatuslog,83
DeviceTimemodepage,112
DeviceWellnesslog,80
DiagnosticStatuscheck,25
diagnostics,156
failure,195
sending,209
Disconnect-ReconnectModepage,92
documents,related,231
DriveErrorCodesensedatadescriptor,187
driveerrorcodes,185, 196
DriveHealthlog,71
DSIT,235
DTdeviceADCdataencryptioncontrolstatus,63
DTDeviceErrorlog,81
DTDprimarystatuslogparameters,65
DTDStatusLogpage,61
E
echobuffer,139, 229
ECMA,233, 235
ejectionfailure,195
ENABLETRANSPORTLAYERRETRIEScommand,29
enhancedcommands,235
EnhancedFIRMWAREUPGRADEDOWNLOAD
FIRMWARESEGMENTcommand,29
EnhancedFIRMWAREUPGRADEREBOOTcommand,30
EnhancedFIRMWAREUPGRADEREPORTIMAGEINFO
command,31
EnhancedPHYControlmodesub-page,107
EOD,235
detected,191
metduringlocate,55
metduringread,127
metduringspace,221
notfound,192
spacingto,221
EOM,184, 235
detected,191
metduringlocate,55
metduringread,127
metduringspace,221
EOP,metduringspace,221
ERASEcommand,32
errorcodes,184, 196
drive,185
Errorlog,71
errors
busdevicedeferred,189
counters,59
dataphase,195
deferred,184, 185
238Index 
						

							read,unrecovered,192
sequentialpositioning,194
write,192
writeappend,195
write-behinddeferred,189
EVPDbit,37
EW-EOM,235
metduringlocate,55
ExtendedResetmodepage,113
F
failedcartridgememory,52, 225
FC,11
LogicalUnitModepage,102
Protocol-SpecificPortmodepage,102
fibrechannel
addressing,15
names,15
fibrechanneloperation,15
fieldpointer,185
fieldreplaceableunits,17
field,invalid,192
filemarkcount,235
filemarks,184, 235
detected,191
metduringread,127
metduringspace,221
spacingover,221
writing,230
FirmwareTracelog,143
Fixedbit,126, 225
FixedBitcheck,25
fixedformatsensedata,183
FlagLinkcheck,25
flush,buffereddata,224
FORCESNAPSHOTcommand,34
FORCEDEJECTcommand,33
FORMATMEDIUMcommand,35
format,corrupt,194
frames,response,19
FRUs,17, 235
G
GOODstatus,18, 19
groupcode,28
H
HARD_RESETprimitive,188
HARDWAREERROR,190
heads,cleaning,185
holdbit,52
holdposition,52, 94
Host,235
I
ILIbit,184
IllegalCommandcheck,25
IllegalFieldcheck,25
ILLEGALREQUEST,190
immediatemode,235
duringwriting,224
INCITS,233
InformationExceptionsModepage,109
Informationsensedatadescriptor,186
INQUIRY
command,36
datapages,37
DefinedIdentifierspage,42
DeviceIdentificationpage,42
drivecomponentrevisionlevelspages,51
extendedINQUIRYdataVPDpage,45
ManagementNetworkAddresspage,44
Manufacturer-assignedSerialnumberpage,50
ModePagePolicyVPDpage,46
Protocol-SpecificLogicalUnitInformationVPDpage,48
SCSIPortsVPDpage,47
sequentialaccessdevicecapabilitiespage,49
TapeAlertsupportedflagspage,50
UnitSerialNumberpage,41
interface
FC,11
SAS,11
interfaceimplementation,11
IPconfiguration,163, 213
ISO,233
K
keymanagementerrordata,64
L
libraries,fibrechanneladdressing,16
Loadbit,52
LOAD/UNLOADcommand,51
Load/UnloadSpecificStatus,52
loading,235
failure,195
tape,52
localizationidentifiers,138
LOCATEcommand,53
LOGSELECTcommand,55
LOGSENSE,56
DataCompressionLogpage,79
DeviceStatisticslogpage,68
DeviceStatusLogpage,83
DeviceWellnessLogpage,80
DTDeviceErrorLogpage,81
DTDStatusLogpage,61
parameterpages,57
PerformanceDataLogpage,81
Protocol-SpecificPortLogpage,75
ReadErrorCountersLogpage,59
RequestedRecoveryLogpage,67
SequentialAccessDeviceLogpage,60
ServiceBuffersInformationLogpage,70
SupportedLogPagespage,58
TapeCapacityLogpage,79
TapeDiagnosticlogpage,71
TapeUsageLogpage,79
239 
						

							TapeAlertLogpage,77
TapeAlertResponselogpage,67
TemperatureLogpage,60
VolumeStatisticsLogpage,73
WriteErrorCountersLogpages,59
LogicalUnitInformationVPDInquirypage,48
logicalunitreset,188
logs
clearing,55
DataCompression,79
DeviceStatus,83
DriveHealth,71
DTDeviceError,81
Error,71
FirmwareTrace,143
parameterpages,57
PerformanceData,81
reading,56
RequestedRecovery,67
Snapshot,150
STTF,154
supported,58
TapeCapacity,79
TapeDiagnostic,71
TapeUsage,79
TapeAlert,236
LUN,235
becomingready,191
notready,191
notself-configured,194
notsupported,192
LVD,235
M
MAM
attributedata,132
reading,129
writeerror,192
writing,226
MANAGEMENTARMSELF-TESTcommand,85
Markbit,184
MediaAccesscheck,26
MediaInformationcheck,26
MediaWritecheck,26
MediumConfigurationmodepage,110
MEDIUMERROR,190
MediumPartitionsModepage,98
messages,18
microcodedownload,194
ModePagePolicyVPDInquirypage,46
ModeParameterpages,87
MODESELECT
CD-ROMEmulation/DisasterRecoveryModepage,
114
command,86
ControlModepage,93
DataCompressionCharacteristicspage,95
DeviceConfigurationpage,95
DeviceTimemodepage,112
Disconnect-Reconnectpage,92
ExtendedResetmodepage,113
InformationExceptionsModepage,109
MediumConfigurationmodepage,110
MediumPartitionspage,98
ModeParameterheader,89
ModeParameterpages,87
Protocol-SpecificLogicalUnitmodepage,102
Protocol-SpecificPortModepage,104
Protocol-SpecificPortmodepage,102
Read-WriteErrorRecoverypage,91
SerialNumberOverridemodepage,111
monitoringcondition,67, 236
MOVEMEDIUMcommand,124
multi-initiatorsupport,14
N
names,fibrechannel,15
networkstatistics,168
NOSENSE,190
NOTREADY,190
O
OBDR,17
one-buttondisasterrecovery,17
opcode,28
unrecognized,192
overlappingcommands,195
P
ParameterListcheck,27
parameterlist,invalidfield,192
parameterrounding,194
PerformanceDatalog,81
PERSISTENTRESERVEINcommand,116
PERSISTENTRESERVEOUTcommand,120
PhysicalControlandDiscovermodesub-page,105
pollingdelay,63
power-on,188
pre-executionchecks,24
BadLUN,24
DeferredError,25
DiagnosticStatus,25
FixedBit,25
FlagLink,25
IllegalCommand,25
IllegalField,25
MediaAccess,26
MediaInformation,26
MediaWrite,26
ParameterList,27
Reservation,27
UnitAttention,27
preventmediaremoval,195
PREVENT/ALLOWMEDIUMREMOVAL,124
Protocol-SpecificLogicalUnitInformationVPDInquiry
page,48
Protocol-SpecificLogicalUnitmodepage,102
Protocol-SpecificPortLogpage,75
240Index