HP Ilo 4 User Guide
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1.Powerdowntheserver. 2.Removethetopcover. 3.InsertorremovetheSDcard. •iLODate/Time—TheinternalclockoftheiLOsubsystem.TheiLOclockcanbesynchronized automaticallywiththenetwork. ViewingtheactiveiLOsessions ToviewtheactiveiLOsessions,navigatetotheInformation→Overviewpage. TheActiveSessionssectiondisplaysthefollowinginformationforallusersloggedintoiLO: •Loginname •IPaddress •Source(forexample,iLOwebinterface,RemoteConsole,orSSH) NOTE:Whenagrouppowercapisset,youmightseeanunexpectedsessionintheActive SessionslistontheiLOOverviewpageandintheiLOEventLog.Thissessionisdisplayedwiththe IPaddress127.0.0.1.Thistemporarysessioniscreatedbythegrouppowercappingfeaturewhen itobtainsthedatathatisrequiredtomaintainthepowercap.Thissessioncanbeignored.Itwill beremovedfromtheActiveSessionslistwithinaminute. ViewingiLOsysteminformation TheiLOSystemInformationpagedisplaysthehealthofthemonitoredsubsystemsanddevices. TheinformationthatyoucanviewdependsonwhetheryouareusingAgentlessManagementor SNMPPass-thru,andwhetherAMSisinstalled.Formoreinformation,see“ConfiguringiLO Managementsettings”(page106). TheSystemInformationpageincludesthefollowingembeddedhealthtabs:Summary,Fans, Temperatures,Power,Processors,Memory,Network,Storage,andFirmware. Viewinghealthsummaryinformation TheHealthSummarypagedisplaysthestatusofmonitoredsubsystemsanddevices.Depending ontheservertype,theinformationonthispagevaries. Iftheserverispoweredoff,thesystemhealthinformationonthispageiscurrentasofthelast poweroff.HealthinformationisupdatedonlywhentheserverispoweredonandPOSTiscomplete. Toviewhealthsummaryinformation,navigatetotheInformation→SystemInformationpage,and thenclicktheSummarytabtoviewthelistofmonitoredsubsystemsanddevices. Redundancyinformationisavailableforthefollowingitemsinthelist: •FanRedundancy •PowerStatus Summarizedstatusinformationisavailableforthefollowingitemsinthelist: •BIOS/HardwareHealth •Fans •Memory •Network •PowerSupplies •Processors •Storage ViewingiLOsysteminformation151
•Temperatures •BatteryStatus(HPProLiantGen9serversonly) Thepossiblestatusvaluesfollow: •Redundant—Thereisabackupcomponentforthedeviceorsubsystem. •OK—Thedeviceorsubsystemisworkingcorrectly. •NotRedundant—Thereisnobackupcomponentforthedeviceorsubsystem. •Degraded—Thedeviceorsubsystemisoperatingatareducedcapacity. NOTE:PreviousversionsofiLOusedastatusofMismatchedtoindicatethepresenceof mismatchedpowersupplies.iLO4displaysthepowersupplystatusasDegradedwhen mismatchedpowersuppliesareinstalled. Ifyoubootaserverwithnonredundantfansorpowersupplies,thesystemhealthstatusis listedasOK.However,ifaredundantfanorpowersupplyfailswhilethesystemisbooted, thesystemhealthstatusislistedasDegradeduntilyoureplacethefanorpowersupply. •FailedRedundant—Thedeviceorsubsystemisinanonoperationalstate. •Failed—Oneormorecomponentsofthedeviceorsubsystemarenonoperational. •Other—NavigatetotheSystemInformationpageofthecomponentthatisreportingthis statusformoreinformation. •LinkDown—Thenetworklinkisdown. •NotInstalled—Thesubsystemordeviceisnotinstalled. Viewingfaninformation TheiLOfirmware,inconjunctionwiththehardware,controlstheoperationandspeedofthefans. Fansprovideessentialcoolingofcomponentstoensurereliabilityandcontinuedoperation.The fansreacttothetemperaturesmonitoredthroughoutthesystemtoprovidesufficientcoolingwith minimalnoise. Fanoperationpoliciesmightdifferfromservertoserverbasedonfanconfigurationandcooling demands.Fancontroltakesintoaccounttheinternaltemperatureofthesystem,increasingthefan speedtoprovidemorecooling,anddecreasingthefanspeedifcoolingissufficient.Intheevent 152UsingiLO
ofafanfailure,somefanoperationpoliciesmightincreasethespeedoftheotherfans,recordthe eventintheIML,orturnLEDindicatorson. Monitoringthefansubsystemincludesthesufficient,redundant,andnonredundantfan configurations.Ifoneormorefansfail,theserverstillprovidessufficientcoolingtocontinue operation. Innonredundantconfigurations,orredundantconfigurationswheremultiplefanfailuresoccur,the systemmightbeincapableofprovidingsufficientcoolingtoprotecttheserverfromdamageand toensuredataintegrity.Inthiscase,inadditiontothecoolingpolicies,thesystemmightstarta gracefulshutdownoftheoperatingsystemandserver. Toviewfaninformation,navigatetotheInformation→SystemInformationpage,andthenclick theFanstab. Theinformationdisplayedonthispagevariesdependingontheservertype. Onserversthatsupportfanredundancy,emptyfanbaysarehidden.Toviewtheemptyfanbays, clickshowemptybays.Whenemptyfanbaysaredisplayed,clickhideemptybaystohidethem. Iftheserverispoweredoff,thesystemhealthinformationonthispageiscurrentasofthelast poweroff.HealthinformationisupdatedonlywhentheserverispoweredonandPOSTiscomplete. Thefollowinginformationisdisplayed: •Rackservers—Thefollowinginformationisdisplayedforeachfanintheserverchassis: Location◦ ◦Status ◦Speed •Serverblades—ProLiantserverbladesusetheenclosurefanstoprovidecoolingbecausethey donothaveinternalfans.Theenclosurefansarecalled“virtualfans”ontheFanstab.The virtualfanreadingrepresentsthecoolingamountthataserverbladeisrequestingfromthe enclosure.Theserverbladecalculatestheamountofrequiredcoolingbyexaminingvarious temperaturesensorsandcalculatinganappropriatefanspeed.Theenclosureusesinformation fromalloftheinstalledserverandnonserverbladestoadjustthefanstoprovidetheappropriate enclosurecooling. Thefollowinginformationisdisplayedforvirtualfans: ◦Location ◦Status ◦Speed ViewingiLOsysteminformation153
Viewingtemperatureinformation TheTemperatureInformationpageincludesatemperaturegraphandatablethatdisplaysthe location,status,temperature,andthresholdsettingsoftemperaturesensorsintheserverchassis. Iftheserverispoweredoff,thesystemhealthinformationonthispageiscurrentasofthelast poweroff.HealthinformationisupdatedonlywhentheserverispoweredonandPOSTiscomplete. Thetemperatureismonitoredtomaintainthesensorlocationtemperaturebelowthecaution threshold.Ifoneormoresensorsexceedthisthreshold,iLOimplementsarecoverypolicytoprevent damagetoservercomponents. •Ifthetemperatureexceedsthecautionthreshold,thefanspeedisincreasedtomaximum. •Ifthetemperatureexceedsthecautionthresholdfor60seconds,agracefulservershutdown isattempted. •Ifthetemperatureexceedsthecriticalthreshold,theserverisshutdownimmediatelytoprevent permanentdamage. Monitoringpoliciesdifferdependingontheserverrequirements.Policiesusuallyincludeincreasing fanspeedstomaximumcooling,loggingtemperatureeventsintheIML,providingavisualindication ofeventsbyusingLEDindicators,andstartingagracefulshutdownoftheoperatingsystemto avoiddatacorruption. Additionalpoliciesareimplementedafteranexcessivetemperatureconditioniscorrected,including returningthefanspeedtonormal,recordingtheeventintheIML,turningofftheLEDindicators, andcancelingshutdownsinprogress(ifapplicable). Viewingthetemperaturegraph Toviewthetemperaturegraph,navigatetotheInformation→SystemInformationpage,andthen clicktheTemperaturestab. 154UsingiLO
Viewingthegraph: •ThecirclesonthegraphcorrespondtothesensorslistedintheSensorDatatable. •MovethemouseoveracircleonthegraphtoviewthesensorID,status,andtemperature reading. •Thecoloronthegraphisagradientthatrangesfromgreentored.Greenrepresentsa temperatureof0°Candredrepresentsthecriticalthreshold.Asthetemperatureofasensor increases,thegraphcolorchangesfromgreentoamber,andthentoredwhenthetemperature approachesthecriticalthreshold. Customizingthegraph: •Selectthe3Dcheckboxtodisplayathree-dimensionalgraph. •Clearthe3Dcheckboxtodisplayatwo-dimensionalgraph. •SelectFrontVieworBackViewtodisplaythesensorslocatedatthefrontorbackoftheserver. Viewingtemperaturesensordata Toviewtemperaturesensordata,navigatetotheInformation→SystemInformationpage,andthen clicktheTemperaturestab. WhentemperaturesaredisplayedinCelsius,clicktheShowvaluesinFahrenheitbuttontochange thedisplaytoFahrenheit.WhentemperaturesaredisplayedinFahrenheit,clicktheShowvalues inCelsiusbuttontochangethedisplaytoCelsius. Bydefault,sensorsthatarenotinstalledarehidden.Toviewthemissingsensors,clickshowmissing sensors.Whenmissingsensorsaredisplayed,clickhidemissingsensorstohidethem. ViewingiLOsysteminformation155
TheSensorDatatabledisplaysthefollowinginformation: •Sensor—TheIDofthetemperaturesensor. •Location—Theareawherethetemperatureisbeingmeasured. Inthiscolumn,Memoryreferstothefollowing: ◦TemperaturesensorslocatedonphysicalmemoryDIMMs. ◦TemperaturesensorslocatedclosetothememoryDIMMs,butnotlocatedontheDIMMs. Thesesensorsarelocatedfurtherdowntheairflowcoolingpath,neartheDIMMs,to provideadditionaltemperatureinformation. TheIDofthetemperaturesensorintheSensorcolumnhelpstopinpointthelocation,providing detailedinformationabouttheDIMMormemoryarea. •X—Thex-coordinateofthetemperaturesensor. •Y—They-coordinateofthetemperaturesensor. •Status—Thetemperaturestatus.Dependingontheserverconfiguration,somesensorsshow astatusofNotinstalled. •Reading—Thetemperaturerecordedbythelistedtemperaturesensor.Ifatemperaturesensor isnotinstalled,theReadingcolumnshowsthevalueN/A. •Thresholds—Thetemperaturethresholdsforthewarningforoverheatingconditions.Thetwo thresholdvaluesareCautionandCritical.Ifatemperaturesensorisnotinstalled,theThresholds columnshowsthevalueN/A. ◦Caution—Theserverisdesignedtomaintainatemperaturebelowthecautionthreshold whileoperating.Ifafailurepreventstheserverfrommaintainingthistemperature,it increasesthefanspeedandinitiatesagracefuloperatingsystemshutdown.Thisensures bothdataintegrityandsystemsafety. ◦Critical—Iftemperaturesareuncontrollableorrisequickly,thecriticaltemperaturethreshold preventssystemfailurebyphysicallyshuttingdowntheserverbeforethehightemperature causesanelectroniccomponentfailure. 156UsingiLO
Viewingpowerinformation iLOmonitorsthepowersuppliesintheservertoensurethelongestavailableuptimeoftheserver andoperatingsystem.Powersuppliesmightbeaffectedbybrownoutsandotherelectrical conditions,orACcordsmightbeunpluggedaccidentally.Theseconditionsresultinalossof redundancyifredundantpowersuppliesareconfigured,orresultinalossofoperationifredundant powersuppliesarenotinuse.Ifapowersupplyfailureisdetected(hardwarefailure)ortheAC powercordisdisconnected,eventsarerecordedintheIMLandLEDindicatorsareused. Iftheserverispoweredoff,thesystemhealthinformationonthispageiscurrentasofthelast poweroff.HealthinformationisupdatedonlywhentheserverispoweredonandPOSTiscomplete. TheiLOprocessorisanessentialcomponentoftheHPPowerDiscoveryServicesinfrastructure. TheiLOprocessorcommunicateswiththeHPIntelligentPowerDistributionUnit(iPDU)attachedto eachHPPlatinumPlusPowerSupplytodeterminerackanddatacenterpowerredundancy.When theiLOprocessorispartoftheHPPowerDiscoveryServicesinfrastructure,itwillintelligentlyreport externalserverinputpowerredundancystatusandindividual(internal)powersupplystatus. FormoreinformationaboutHPpowersupplyoptions,seethefollowingwebsite:http:// www.hp.com/go/rackandpower. Toviewpowerinformation,navigatetotheInformation→SystemInformationpage,andthenclick thePowertab. Theinformationdisplayedonthispagevariesdependingontheservertype. •Rackservers(DL,ML)—Thepagedisplaysthefollowingsections:PowerSupplySummary, PowerSupplies,andHPPowerDiscoveryServicesiPDUSummary(ifavailable). •Rackservers(SL)—Thepagedisplaysthefollowingsections:PowerSupplySummaryand PowerSupplies. •Serverblades—Thepagedisplaysthefollowingsections:PowerReadingsandPower Microcontroller. ViewingiLOsysteminformation157
PowerSupplySummary(allrackservers) ThePowerSupplySummarysectionincludesthefollowinginformation: •PresentPowerReading—WhenHPCommonSlotPowerSuppliesarepresent,themostrecent powerreadingfromtheserverisdisplayed.Otherpowersuppliesdonotprovidethisdata. Althoughthisvalueistypicallyequaltothesumofallactivepowersupplyoutputs,theremight besomesmallvarianceasaresultofreadingtheindividualpowersupplies.Thisvalueisa guidelinevalueandisnotasaccurateasthevaluespresentedontheiLOPowerManagement pages.Formoreinformation,see“Viewingserverpowerusage”(page240). •PowerManagementControllerFirmwareVersion—Thefirmwareversionofthepower managementcontroller.TheservermustbepoweredonforiLOtodeterminethefirmware version.Thisfeatureisnotavailableonallservers. •PowerStatus—Theoverallstatusofthepowersuppliedtotheserver. Iftheserverpowersuppliesareconnectedtoanonintelligentpowersource,thissection displaysthestatusoftheinternalserverpowersupplies. ◦ ◦IftheserverpowersuppliesareconnectedtoHPDiscoveryServicesthroughanHPiPDU, thissectiondisplaysthestatusofthepowersuppliedtotheinternalserverpowersupplies. PossiblePowerStatusvaluesfollow: ◦Redundant—Indicateswhetherthepowersuppliesareinaredundantstate.IfHPPower DiscoveryServicesisintegratedintotheinfrastructure,thePowerStatusboxindicates whethertheexternallysuppliedpowertotheinternalpowersuppliesisredundant. ◦NotRedundant—IndicatesthatatleastoneofthepowersuppliesoriPDUs(inthecase ofHPPowerDiscoveryServices)isnotsupplyingpowertotheserver.Themostcommon reasonforthisstatusisalossofinputpowertothepowersupply.Anotherreasonforthis statusisaconfigurationwithmultiplepowersuppliesconnectedtothesameiPDU.Inthis case,theindividualpowersupplystatusisGood,InUse,butthePowerStatusvalueis NotRedundantbecausethelossofinputpowertotheiPDUwouldleadtoatotallossof powertotheserver. ◦N/A—Thisserverdoesnothaveredundantpowersupplycapability. •HPPowerDiscoveryServicesStatus—Possiblevaluesfollow: Redundant—TheserverisconfiguredforaredundantiPDUconfiguration.◦ ◦NotRedundant—TherearenotsufficientiPDUstosupportredundancy,ortheserver’s powersuppliesareconnectedtothesameiPDU. ◦N/A—NoiPDUswerediscovered. NOTE:WhentheiLOprocessorortheserverisreset,theiPDUdiscoveryprocesscantake afewminutestocomplete. •HighEfficiencyMode—Theredundantpowersupplymodethatwillbeusedifredundantpower suppliesareconfigured. HighEfficiencyModeimprovesthepowerefficiencyoftheserverbyplacingthesecondary powersuppliesinstandbymode.Whenthesecondarypowersuppliesareinstandbymode, primarypowerprovidesallDCpowertothesystem.Thepowersuppliesaremoreefficient (moreDCoutputwattsforeachwattofACinput)athigheroutputlevels,andtheoverallpower efficiencyimproves. HighEfficiencyModedoesnotaffectpowerredundancy.Iftheprimarypowersuppliesfail, thesecondarypowersuppliesimmediatelybeginsupplyingDCpowertothesystem,preventing 158UsingiLO
anydowntime.Youcanconfigureredundantpowersupplymodesonlythroughthesystem RBSUortheUEFISystemUtilities.YoucannotmodifythesesettingsthroughiLO.Formore information,seetheHPROM-BasedSetupUtilityUserGuideortheHPUEFISystemUtilities UserGuide. NOTE:IfHighEfficiencyModeisconfiguredtouseanunsupportedmode,youmight experiencedecreasedpowersupplyefficiency. Theredundantpowersupplymodesfollow: ◦N/A—Notapplicable. ◦BalancedMode—Deliverspowerequallyacrossallinstalledpowersupplies. ◦HighEfficiencyMode(Auto)—Deliversfullpowertooneofthepowersupplies,andplaces theotherpowersuppliesonstandbyatalowerpower-usagelevel.Asemi-random distributionisachieved,becausetheAutooptionchoosesbetweentheoddorevenpower supplybasedontheserverserialnumber. ◦HighEfficiencyMode(EvenSupplyStandby)—Deliversfullpowertotheodd-numbered powersupplies,andplacestheeven-numberedpowersuppliesonstandbyatalower power-usagelevel. ◦HighEfficiencyMode(OddSupplyStandby)—Deliversfullpowertotheeven-numbered powersupplies,andplacestheodd-numberedpowersuppliesonstandbyatalower power-usagelevel. ◦NotSupported—TheinstalledpowersuppliesdonotsupportHighEfficiencyMode. PowerSupplies(MLandDLserversonly) ThePowerSuppliessectionforMLandDLserversincludesthefollowinginformation: •Bay—Thebaynumberofthepowersupply. •Present—Whetherapowersupplyisinstalled. •Status—Thestatusofthepowersupply. •PDS—WhethertheinstalledpowersupplyisenabledforHPPowerDiscoveryServices. PDSisanenhancementtotheHPiPDUtechnology.Iftheserverpowersupplyisconnected toaniPDU,anadditionalsummarytableonthispagedisplaysthelinkediPDUs.Formore informationaboutHPPowerDiscoveryServicesandiPDUs,seethefollowingwebsite:http:// www.hp.com/go/ipd. NOTE:Somepowersuppliesdonotprovideinformationforallofthevaluesonthispage. Ifapowersupplydoesnotprovideinformationforavalue,N/Aisdisplayed. •Hotplug—Whetherthepowersupplybaysupportsswappingthepowersupplywhenthe serverispoweredon.IfthevalueisYes,andthepowersuppliesareredundant,thepower supplycanberemovedorreplacedwhentheserverispoweredon. •Model—Themodelnumberofthepowersupply. •Spare—Thepartnumberofthesparepowersupply. •Serial—Theserialnumberofthepowersupply. •Capacity—Thecapacityofthepowersupply(watts). •Firmware—Theinstalledpowersupplyfirmware. ViewingiLOsysteminformation159
PowerSupplies(SLserversonly) ThePowerSuppliessectionforSLserversdisplaysthename,location,andstatusoftheinstalled powersupplies.Thepossiblestatusvaluesfollow: •OK—Indicatesthatthepowersupplyisinstalledandoperational. •NotInstalled—Indicatesthatthepowersupplyisnotinstalled.Powerisnotredundant. •Failed—Indicatesthatthepowersupplyisnotfunctioning.Makesurethatthepowercordis pluggedin. •MismatchedSupplyTypes—Indicatesthatmultipletypesofpowersuppliesareinstalled,and thatthispowersupplyisnotinuse.Ifmismatchedpowersupplytypesareinstalled,onlyone typeisused.Forcorrectoperationatthepowersubsystem,ensurethatthepowersupplies arethesametype,wattage,andpartnumber. HPPowerDiscoveryServicesiPDUSummary(MLandDLserversonly) TheHPPowerDiscoveryServicesiPDUSummarysectionisdisplayedonlyiftheserverpower suppliesareconnectedtoaniPDU. AfteriLOisreset,orwhenaniPDUisattached,ittakesapproximately2minutesfortheiLOweb interfacetodisplaytheHPPowerDiscoveryServicesiPDUSummarytable.Thisdelayiscaused bytheiPDUdiscoveryprocess.Thefollowinginformationisdisplayedinthetable: •Bay—Thepowersupplybaynumber. •Status—Theoverallcommunication-linkstatusandrackinputpowerredundancy,asdetermined bytheiPDU.Possiblevaluesfollow: ◦iPDURedundant—ThisGoodstatusindicatesthattheserverisconnectedtoatleasttwo differentiPDUs. ◦iPDUNotRedundant—ThisCautionstatusindicatesthattheserverisnotconnectedtoat leasttwodifferentiPDUs.Typically,thisstatusisdisplayedwhenoneofthefollowing conditionsoccurs: –AniPDUlinkisnotestablishedforallpowersupplies. –TwoormorepowersuppliesareconnectedtothesameiPDU. TheiPDUMACaddressandserialnumberareidenticalforpowersupplieswhose inputpowercomesfromthesameiPDU.Ifonepowersupplyiswaitingfora connectiontobeestablished,theiPDUislistedasNotRedundant. ◦Waitingforconnection—ThisInformationalstatusindicatesoneormoreofthefollowing conditions: –ThewrongpowercordwasusedtoconnectthepowersupplytotheiPDU. –TheiPDUandtheiLOprocessorareintheprocessofconnecting.Thisprocesscan takeupto2minutesaftertheiLOprocessorortheiPDUisreset. –TheiPDUmoduledoesnothaveanetwork(orIP)address. •PartNumber—TheiPDUpartnumber. •Serial—TheiPDUserialnumber. •MACAddress—TheMACaddressoftheiPDUnetworkport.Thisvaluehelpsyoutouniquely identifyeachconnectediPDU,becauseeachiPDUhasauniqueMACaddress. •iPDULink—TheiPDUHTTPaddress(ifavailable).ClickthelinkinthiscolumntoopentheHP IntelligentModularPDUwebinterface. 160UsingiLO