HP Ilo 4 User Guide

							Thepower-metergraphsdisplayrecentserverpowerusage.ThegraphdataisresetwheniLOor
theserverisreset.TheiLOfirmwareperiodicallysamplespeakpower,averagepower,andpower
cap.Thefollowinggraphsaredisplayed:
•24-HourHistoryGraph—Displaysthepowerusageoftheserverovertheprevious24hours.
TheiLOfirmwarecollectspowerusageinformationfromtheserverevery5minutes.Thebar
graphdisplaystheaveragevaluesinblueandthepeakvaluesinred.ThegraphshowsNo
capsetduringahostpowerreset.
•20-MinuteHistoryGraph—Displaysthepowerusageoftheserverovertheprevious20
minutes.TheiLOfirmwarecollectspowerusageinformationfromtheserverevery10seconds.
Thebargraphdisplaystheaveragevaluesinblueandthepeakvaluesinred.
TIP:Movethemousecursoroverthegraphtoviewthepowerusageforaspecificpointintime.
Whenyouviewthepower-metergraphs,usetheDisplayOptionstocontrolthedisplayed
information.Youcanviewminimum,average,peak,andcappowerinformation.
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							Selectoneormoreofthefollowingcheckboxes,andthenclickRefreshPagetoupdatethegraphs.
•Min(staticlow)—Theminimumvalueobservedduringameasurementperiod.Typically,the
20-minutegraphmeasuresaminimumvalueevery10seconds,whichmatchestheaverage
value.The24-hourgraphcancaptureminimumvalueslowerthanthe5-minuteaveragevalue.
•Avg—Themeanpowerreadingduringthesample.
•Peak—Thehighestinstantaneouspowerreadingduringthesample.iLOrecordsthisvalueon
asubsecondbasis.
•Cap—Theconfiguredpowercapduringthesample.Ifthepowercapisnotconfiguredoris
notsupported,theCapoptionisnotavailable.
◦Apowercaplimitsaveragepowerdrawforextendedperiodsoftime.
◦Powercapsarenotmaintainedduringserverreboots,resultingintemporaryspikesduring
boot.
◦Powercapssetforlessthan50%ofthedifferencebetweenmaximumpowerandidle
powermightbecomeunreachablebecauseofchangesintheserver.HPdoesnot
recommendconfiguringpowercapsforlessthan20%.Configuringapowercapthatis
toolowforthesystemconfigurationmightaffectsystemperformance.
◦FormoreinformationaboutHPInsightControlpowermanagementsoftware,seehttp://
www.hp.com/go/dpc.
Thefollowingoptionsarealsoavailable:
•PowerUnit—SelectavaluefromthePowerUnitlisttochangethepowerreadingdisplayto
wattsorBTU/hr.
•RefreshPage—ClicktheRefreshPagebuttontoupdatethehistorygraphs.
Viewingthecurrentpowerstate
Toviewthecurrentpowerstate,navigatetothePowerManagement→PowerMeterpage.Scroll
totheCurrentStatesection.
ThevaluesdisplayedintheCurrentStatetablevarydependingontheservertype:
•PresentPowerReading—Thecurrentpowerreadingfromtheserver.Thisvalueisdisplayed
forallHPProLiantservers.
•PresentPowerCap—Theconfiguredpowercapfortheserver.Thisvalueis0ifthepower
capisnotconfigured.ThisvalueisdisplayedforHPProLiantMLandDLservers,andserver
blades.
•PowerInputVoltage—Thesuppliedinputvoltagefortheserver.ThisvalueisdisplayedforHP
ProLiantMLandDLservers.
•PowerRegulatorMode—TheconfiguredHPPowerRegulatorforProLiantmode.Thisvalueis
displayedforallHPProLiantservers.Forinformationaboutthepossiblesettings,see
“Configuringpowersettings”(page243).
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							•PowerSupplyCapacity—Theserverpowercapacity.ThisvalueisdisplayedforHPProLiant
SLservers.
•PeakMeasuredPower—Thehighestmeasuredpowerreading.ThisvalueisdisplayedforHP
ProLiantSLservers.
Viewingtheserverpowerhistory
Toviewtheserverpowerhistory,navigatetothePowerManagement→PowerMeterpage.Scroll
tothePowerHistorysection.
ThePowerHistorytableshowspowerreadingsfromthreetimeperiods:5minutes,20minutes,
and24hours.
•AveragePower—Theaverageofthepowerreadingsforthespecifiedtimeperiod.Iftheserver
hasnotbeenrunningforthespecifiedtimeperiod,thevalueistheaverageofallreadings
sincetheserverbooted.
•MaximumPower—Themaximumpowerreadingfromtheserverforthespecifiedtimeperiod.
Iftheserverhasnotbeenrunningforthespecifiedtimeperiod,thevalueisthemaximumof
allreadingssincetheserverbooted.
•MinimumPower—Theminimumpowerreadingfromtheserverforthespecifiedtimeperiod.
Iftheserverhasnotbeenrunningforthespecifiedtimeperiod,thevalueistheminimumof
allreadingssincetheserverbooted.
Configuringpowersettings
ThePowerSettingspageenablesyoutoviewandcontrolthepowermanagementfeaturesofthe
server.Thepowermanagementfeaturesonthispagevarybasedontheserverconfiguration.You
musthavetheConfigureiLOSettingsprivilegetochangethevaluesonthispage.
ConfiguringPowerRegulatorsettings
TheHPPowerRegulatorforProLiantfeatureenablesiLOtodynamicallymodifyprocessorfrequency
andvoltagelevels,basedonoperatingconditions,toprovidepowersavingswithminimaleffect
onperformance.ThePowerSettingspageallowsyoutoviewandcontrolthePowerRegulator
Modeoftheserver.
ToconfigurethePowerRegulatorsettings:
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							1.NavigatetothePowerManagement→PowerSettingspage.
2.Selectoneofthefollowingoptions:
•HPDynamicPowerSavingsMode—Automaticallyvariesprocessorspeedandpower
usagebasedonprocessorutilization.Thisoptionallowsthereductionofoverallpower
consumptionwithlittleornoimpacttoperformance.ItdoesnotrequireOSsupport.
•HPStaticLowPowerMode—Reducesprocessorspeedandpowerusage.Thisoption
guaranteesalowermaximumpowerusageforthesystem.
•HPStaticHighPerformanceMode—Processorswillrunatmaximumpower/performance
atalltimes,regardlessoftheOSpowermanagementpolicy.
•OSControlMode—Processorswillrunatmaximumpower/performanceatalltimes,
unlesstheOSenablesapowermanagementpolicy.
3.ClickApply.
Oneofthefollowingmessagesappears:
•FortheHPDynamicPowerSavingsMode,HPStaticLowPowerMode,andHPStaticHigh
PerformanceModesettings:Power Regulator Settings changed.
•FortheOSControlModesetting:You must reboot the server to invoke this
change of the Power Regulator Settings.
ThePowerRegulatorsettingscannotbechangedwhiletheserverisinPOST.Ifthesettings
donotchangeafteryouclickApply,theservermightbeinthebootprocessorrequire
rebooting.ExitanyROM-basedprogramthatisrunning,allowPOSTtocomplete,andthen
trytheoperationagain.
4.IfiLOnotifiedyouthatarebootisrequired,reboottheserver.
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							Configuringpowercappingsettings
ThePowerCappingSettingssectionenablesyoutoviewmeasuredpowervalues,setapower
cap,anddisablepowercapping.
•TheMeasuredPowerValuessectionliststhefollowing:
MaximumAvailablePower—Thepowersupplycapacityforanonbladeserver,orthe
initialpower-onrequestvalueforaserverblade.
◦
◦PeakObservedPower—Themaximumobservedpowerfortheserver
◦MinimumObservedPower—Theminimumobservedpowerfortheserver
DuringPOST,theROMrunstwopowerteststhatdeterminethepeakandminimumobserved
powervalues.
•PowercappingsettingsaredisabledwhentheserverispartofanEnclosureDynamicPower
Cap.ThesevaluesaresetandmodifiedbyusingOnboardAdministratororInsightControl
PowerManagement.
•UsethePowerCapThresholdsasguidelinesforconfiguringapowercap.
MaximumPowerCap—Themaximumpoweravailablefortheserver.Theservermustnot
exceedthisvalue.
◦
◦MinimumHigh-PerformanceCap—Themaximumpowerthattheserverusesinthecurrent
configuration.Apowercapsettothisvaluedoesnotaffectserverperformance.
◦MinimumPowerCap—Theminimumpowerthattheserverusers.Apowercapsettothis
valuereducestheserverpowerusagetotheminimum,whichresultsinserverperformance
degradation.
•Whenapowercapisset,theaveragepowerreadingoftheservermustbeatorbelowthe
powercapvalue.
•YoucannotusetheiLOwebinterfacetoconfigurethepowercappingsettingsforSLservers.
UseoneofthefollowingtoolstoconfigurethepowercappingsettingsforSLservers:
◦PowerInterfaceControlUtility—Thisutilityisavailableatthefollowingwebsite:http://
h20000.www2.hp.com/bizsupport/TechSupport/SoftwareDescription.jsp?
prodTypeId=15351&prodSeriesId=4324034&
swItem=MTX-cb0c48d305d24a4dbe80e5eecc&prodNameId=5037746.
◦HPProLiantSLAdvancedPowerManager—Formoreinformation,seetheHPProLiantSL
AdvancedPowerManagerUserGuide.
Toconfigureapowercap:
1.NavigatetothePowerManagement→PowerSettingspage.
2.SelecttheEnablepowercappingcheckbox.
3.EnterthePowerCapValueinwatts,BTU/hr,orasapercentage.
Thepercentageisthedifferencebetweenthemaximumandminimumpowervalues.The
powercapvaluecannotbesetbelowtheserverminimumpowervalue.
Whenvaluesaredisplayedinwatts,clickShowvaluesinBTU/hrtochangethedisplayto
BTU/hr.WhenvaluesaredisplayedinBTU/hr,clickShowvaluesinWattstochangethe
displaytowatts.
4.ClickApply.
ConfiguringSNMPalertsettings
TheSNMPAlertonBreachofPowerThresholdsectionenablesthesendingofanSNMPalertwhen
powerconsumptionexceedsadefinedthreshold.
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							ToconfiguretheSNMPalertsettings:
1.NavigatetothePowerManagement→PowerSettingspage.
2.SelectavalueintheWarningTriggerlist.
Thewarningtriggerdetermineswhetherwarningsarebasedonpeakpowerconsumption,
averagepowerconsumption,oriftheyaredisabled.
3.IfyouselectedPeakPowerConsumptionorAveragePowerConsumptionintheWarning
Triggerlist,enterthefollowing:
•WarningThreshold—Setsthepowerconsumptionthreshold,inwatts.Ifpowerconsumption
exceedsthisvalueforthespecifiedtimeduration,anSNMPalertistriggered.
•Duration—Setsthelengthoftime,inminutes,thatpowerconsumptionmustremainabove
thewarningthresholdbeforeanSNMPalertistriggered.Themaximumdurationis240
minutes,andthedurationmustbeamultipleof5.
4.ClickApplytosavetheconfiguration.
Configuringthepersistentmouseandkeyboard
TheOtherSettingssectiononthePowerSettingspageallowsyoutoenableordisablethepersistent
keyboardandmousefeature.
Whenthisfeatureisenabled,theiLOvirtualkeyboardandmousearealwaysconnectedtothe
iLOUHCIUSBcontroller.Whenthisfeatureisdisabled,theiLOvirtualkeyboardandmouseare
connecteddynamicallytotheiLOUHCIcontrolleronlywhenaRemoteConsoleapplicationis
openandconnectedtoiLO.DisablingthefeatureallowssomeHPserverstoincreasepowersavings
by15wattswhentheserveroperatingsystemisidleandnovirtualUSBkeyboardandmouseare
connected.
Forexample,thepowersavingsfora24–hourperiodmightbe15wattsx24hours,or360watt
hours(.36kilowatt-hours).
Thepersistentmouseandkeyboardfeatureisdisabledbydefault.
Tochangethepersistentmouseandkeyboardsetting:
1.NavigatetothePowerManagement→PowerSettingspage.
2.SelectorcleartheEnablepersistentmouseandkeyboardcheckbox.
3.ClickApplytosavetheconfiguration.
UsingiLOwithOnboardAdministrator
OAistheenclosuremanagementprocessor,subsystem,andfirmwarebasethatsupportstheHP
BladeSystemandallmanageddevicesintheenclosure.
UsingtheActiveOnboardAdministrator
TheBLc-Class→ActiveOnboardAdministratorpageprovidesgeneralinformationabouttheprimary
OAintheenclosureinwhichtheiLOprocessorislocated.Thispageisdisplayedonlywhenthere
isanenclosure.
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							Thedisplayedinformationandoptionsfollow:
•MACAddress—TheMACaddressoftheactiveOA.
•SystemHealth—ThehealthoftheactiveOA,asreportedbytheOA.
AvalueofunknownmeansthattheOAhealthhasnotbeenreportedtoiLO.
•BladeLocation—Thelocation(enclosurebay)ofthebladethatishostingthecurrentiLOsession.
•EnclosureName—TheenclosurethattheactiveOAismanaging.Youcanchangethisvalue
throughtheOA.
•RackName—TherackthatcontainstheenclosuremanagedbytheactiveOA.Youcanchange
thisvaluethroughtheOA.
StartingtheOnboardAdministratorGUI
1.NavigatetotheBLc-Class→ActiveOnboardAdministratorpage.
2.IftheOAsupportsmultipleaddresses,selecttheaddresstousefromtheoptionsintheOnboard
AdministratorAddressSelectiontable.
Dependingontheconfiguration,thefollowingoptionsmightbeavailable:
•IPv4
•IPv6SLAAC
•IPv6Static
•IPv6DHCP
3.ClickLaunch.
TheOAGUIopensinanewbrowserwindow.
TogglingtheenclosureUIDlight
TochangethestateoftheenclosureUIDwhereiLOislocated,clicktheToggleUIDbutton.
TheUIDstatusonthispagerepresentstheenclosureUIDstatuswhentheiLOpageloaded.To
updatethestatus,refreshthepage.
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							EnclosurebayIPaddressing
TheFirstTimeSetupWizardpromptsyoutosetupyourenclosurebayIPaddressing.Formore
informationaboutthewizard,seetheHPBladeSystemOnboardAdministratorUserGuide.
DynamicPowerCappingforserverblades
DynamicPowerCappingisaniLOfeatureavailableforc-Classserverblades,andisaccessed
throughOA.DynamicPowerCappingisavailableonlyifyoursystemhardwareplatform,BIOS
(ROM),andpowermicrocontrollerfirmwareversionsupportthisfeature.Ifyoursystemsupports
DynamicPowerCapping,iLOautomaticallyrunsinDynamicPowerCappingmode.
Forinformationaboutthepowersettingoptionsforc-Classserverblades,seetheHPBladeSystem
OnboardAdministratorUserGuide.
iLOvirtualfan
Inc-Classbladeservers,OAcontrolstheenclosurefans(alsocalledvirtualfans).TheiLOfirmware
cannotdetecttheseenclosurefans.Instead,theiLOfirmwaremonitorsanambienttemperature
sensorlocatedonthebladeserver.ThisinformationisdisplayedontheiLOwebinterface,andis
retrievedbyOAperiodically.OAusesthesensorinformationcollectedfromalliLOprocessorsin
theenclosuretodetermineenclosurefanspeeds.
iLOoption
TheiLO-DeviceBaypageinOAprovidesthefollowinglinks:
•WebAdministration—StartstheiLOwebinterface
•IntegratedRemoteConsole—Startsthe.NETIRC
•RemoteConsole—StartstheJavaIRC
ClickingalinkonthispageopenstherequestediLOsessioninanewwindowthatusesSSO,
whichdoesnotrequireaniLOusernameorpassword.Ifyourbrowsersettingspreventnew
windowsfromopening,theselinksdonotworkcorrectly.
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							IPMIservermanagement
ServermanagementthroughIPMIisastandardmethodforcontrollingandmonitoringtheserver.
TheiLOfirmwareprovidesservermanagementbasedontheIPMIversion2.0specification,which
definesthefollowing:
•Monitoringofsysteminformationsuchasfans,temperatures,andpowersupplies
•Recoverycapabilitiessuchassystemresetsandpoweron/offoperations
•Loggingcapabilitiesforabnormaleventssuchasover-temperaturereadingsorfanfailures
•Inventorycapabilitiessuchasidentificationoffailedhardwarecomponents
IPMIcommunicationsdependontheBMCandtheSMS.TheBMCmanagestheinterfacebetween
theSMSandtheplatformmanagementhardware.TheiLOfirmwareemulatestheBMCfunctionality,
andtheSMSfunctionalitycanbeprovidedbyvariousindustry-standardtools.Formoreinformation,
seetheIPMIspecificationontheIntelwebsiteathttp://www.intel.com/design/servers/ipmi/
tools.htm.
TheiLOfirmwareprovidestheKCSinterface,oropeninterface,forSMScommunications.The
KCSinterfaceprovidesasetofI/Omappedcommunicationsregisters.Thedefaultsystembase
addressfortheI/O-mappedSMSinterfaceis0xCA2,anditisbytealignedatthissystemaddress.
TheKCSinterfaceisaccessibletotheSMSsoftwarerunningonthelocalsystem.Examplesof
compatibleSMSsoftwareapplicationsfollow:
•IPMIversion2.0CommandTestTool—Alow-levelMS-DOScommand-linetoolthatenables
hex-formattedIPMIcommandstobesenttoanIPMIBMCthatimplementstheKCSinterface.
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							YoucandownloadthistoolfromtheIntelwebsiteathttp://www.intel.com/design/servers/
ipmi/tools.htm.
•IPMItool—AutilityformanagingandconfiguringdevicesthatsupporttheIPMIversion1.5
andversion2.0specifications.IPMItoolcanbeusedinaLinuxenvironment.Youcandownload
thistoolfromtheIPMItoolwebsiteathttp://ipmitool.sourceforge.net/index.html.
WhenemulatingaBMCfortheIPMIinterface,iLOsupportsallmandatorycommandslistedinthe
IPMIversion2.0specification.TheSMSshouldusethemethodsdescribedinthespecificationfor
determiningwhichIPMIfeaturesareenabledordisabledintheBMC(forexample,usingtheGet
Device IDcommand).
Iftheserveroperatingsystemisrunning,andtheiLOhealthdriverisenabled,anyIPMItraffic
throughtheKCSinterfacecanaffecthealthdriverperformanceandoverallsystemhealth.Donot
issueanyIPMIcommandsthroughtheKCSinterfacethatmighthaveanegativeeffectonhealth
drivermonitoring.ThisrestrictionincludesanycommandthatsetsorchangesIPMIparameters,
suchasSet Watchdog TimerandSet BMC Global Enabled.AnyIPMIcommandthat
simplyreturnsdataissafetouse,suchasGet Device IDandGet Sensor Reading.
UsingiLOwithHPInsightControlserverprovisioning
HPInsightControlserverprovisioningisintegratedwithiLOtoenablethemanagementofremote
serversandtheperformanceofRemoteConsoleoperations,regardlessofthestateoftheoperating
systemorhardware.
ThedeploymentserverenablesyoutousethepowermanagementfeaturesofiLOtopoweron,
poweroff,orcyclepoweronthetargetserver.Eachtimeaserverconnectstothedeployment
server,thedeploymentserverpollsthetargetservertoverifythataniLOdeviceisinstalled.If
installed,theservergathersinformation,includingtheDNSname,IPaddress,anduserloginname.
Securityismaintainedbyrequiringtheusertoenterthecorrectpasswordforthatusername.
FormoreinformationaboutHPInsightControlserverprovisioning,seethedocumentationonthe
HPInsightControlwebsiteathttp://www.hp.com/go/insightcontrol.
UsingHPEnterpriseSecureKeyManagerwithiLO
TheKeyManagerpageenablesyoutoconnecttoanoperationalkeymanager,changeredundancy
settings,viewthekeymanagerconnectionsettings,testtheconnection,andviewkeymanagement
events.
iLO41.40andlatersupportstheHPEnterpriseSecureKeyManager3.1andlater,whichcan
beusedinconjunctionwithHPSecureEncryption.
•HPSecureEncryptionsupportsHPSmartArrayControllersandprovidesdata-at-restencryption
fordirect-attachedHDDorSSDstorageconnectedtoHPProLiantservers.Itprovidesan
integratedsolutiontoencryptingHDDorSSDvolumesbyusing256-bitXTS-AESalgorithms.
•HPEnterpriseSecureKeyManagergenerates,stores,serves,controlsandauditsaccessto
dataencryptionkeys.Itenablesyoutoprotectandpreserveaccesstobusiness-critical,sensitive,
data-at-restencryptionkeys.
•HPiLOmanagesthekeyexchangebetweentheESKMandtheSmartArrayController.iLO
usesauniqueuseraccountbasedonitsownMACaddressforcommunicatingwiththeESKM.
Fortheinitialcreationofthisaccount,iLOusesadeploymentuseraccountthatpre-existson
theESKMwithadministratorprivileges.Formoreinformationaboutthedeploymentuser
account,seetheHPSecureEncryptionInstallationandUserGuide
ThisfeatureandmanyothersarepartofaniLOlicensingpackage.Formoreinformationabout
iLOlicensing,seethefollowingwebsite:http://www.hp.com/go/ilo/licensing.
ForinformationaboutHPSecureEncryptionandESKM,seetheHPSecureEncryptionInstallation
andUserGuide
250UsingiLO