HP Ilo 3 User Guide
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![Page 142
#
# Decode the range
#
if ($range =~ m/([0-9A-Fa-f]+)-([0-9A-Fa-f]+)/) {
$start = hex($1);
$end = hex($2);
$len = $end - $start + 1;
}
#
# Decode the data (a big hexadecimal string)
#
$decode = pack("H*", $data);
#
# Write it to the target file
#
sysopen(F, $file, O_RDWR);
binmode(F);
sysseek(F, $start, SEEK_SET);
syswrite(F, $decode, $len);
close(F);
print "Content-Length: 0
";
print "
";
ConfiguringVirtualMediaBootOrder...](http://img.usermanuals.tech/thumb/36/100017/w64_ilo-3-user-guide-1509427141_d-141.png "Page 142
#
# Decode the range
#
if ($range =~ m/([0-9A-Fa-f]+)-([0-9A-Fa-f]+)/) {
$start = hex($1);
$end = hex($2);
$len = $end - $start + 1;
}
#
# Decode the data (a big hexadecimal string)
#
$decode = pack(\"H*\", $data);
#
# Write it to the target file
#
sysopen(F, $file, O_RDWR);
binmode(F);
sysseek(F, $start, SEEK_SET);
syswrite(F, $decode, $len);
close(F);
print \"Content-Length: 0
\";
print \"
\";
ConfiguringVirtualMediaBootOrder...")
InsertingVirtualMediawithahelperapplication
WhenyouareusingahelperapplicationwiththeINSERT_VIRTUAL_MEDIAcommand,thebasic
formatoftheURLisasfollows:
protocol://user:password@servername:port/path,helper-script
where:
•protocol—Mandatory.EitherHTTPorHTTPS.
•user:password—Optional.Whenpresent,HTTPbasicauthorizationisused.
•servername—Mandatory.EitherthehostnameortheIPaddressofthewebserver.
•port—Optional.Awebserveronanonstandardport.
•path—Mandatory.Theimagefilethatisbeingaccessed.
•helper-script—Optional.ThelocationofthehelperscriptonIISwebservers.
FordetailedinformationabouttheINSERT_VIRTUAL_MEDIAcommand,seetheHPiLO3Scripting
andCommandLineGuide.
SampleVirtualMediahelperapplication
ThefollowingPerlscriptisanexampleofaCGIhelperapplicationthatallowsdiskettewriteson
webserversthatcannotperformpartialwrites.Ahelperapplicationcanbeusedinconjunction
withtheINSERT_VIRTUAL_MEDIAcommandtomountawritabledisk.
Whenyouareusingthehelperapplication,theiLOfirmwarepostsarequesttothisapplication
usingthefollowingparameters:
•ThefileparametercontainsthenameofthefileprovidedintheoriginalURL.
•Therangeparametercontainsaninclusiverange(inhexadecimal)thatdesignateswhereto
writethedata.
•Thedataparametercontainsahexadecimalstringthatrepresentsthedatatobewritten.
Thehelperscriptmusttransformthefileparameterintoapathrelativetoitsworkingdirectory.
Thismightinvolveprefixingitwith"../,"ortransforminganaliasedURLpathintothetruepathon
thefilesystem.Thehelperscriptrequireswriteaccesstothetargetfile.Disketteimagefilesmust
havetheappropriatepermissions.
Example:
#!/usr/bin/perl
use CGI;
use Fcntl;
#
# The prefix is used to get from the current working directory to the
# location of the image file that you are trying to write
#
my ($prefix) = "c:/inetpub/wwwroot";
my ($start, $end, $len, $decode);
my $q = new CGI(); # Get CGI data
my $file = $q->param('file'); # File to be written
my $range = $q->param('range'); # Byte range to be written
my $data = $q->param('data'); # Data to be written
#
# Change the file name appropriately
#
$file = $prefix . "/" . $file;
UsingiLOVirtualMedia141
#
# Decode the range
#
if ($range =~ m/([0-9A-Fa-f]+)-([0-9A-Fa-f]+)/) {
$start = hex($1);
$end = hex($2);
$len = $end - $start + 1;
}
#
# Decode the data (a big hexadecimal string)
#
$decode = pack("H*", $data);
#
# Write it to the target file
#
sysopen(F, $file, O_RDWR);
binmode(F);
sysseek(F, $start, SEEK_SET);
syswrite(F, $decode, $len);
close(F);
print "Content-Length: 0
";
print "
";
ConfiguringVirtualMediaBootOrder
TheVirtualMediaBootOrderfeatureenablesyoutosettheserverbootoptions.Youmusthave
theVirtualMediaandConfigureiLOSettingsprivilegestochangethesesettings.
NOTE:Changesmadetothebootorderorone-timebootstatusmightrequireaserverreset.iLO
willnotifyyouwhenaresetisnecessary.
Changingtheserverbootorder
Tochangethebootorderoffloppy,CD/DVD-ROM,USB,harddisk,andnetworkdevices:
1.NavigatetotheVirtualMedia→BootOrderpage,asshowninFigure76(page142).
Figure76BootOrderpage
142UsingiLO
2.SelectadeviceintheServerBootOrderlist,andclickUporDowntomoveitupordownin thebootorder. Youcanselectfromthefollowingdevices: •CD/DVDDrive •FloppyDrive •USBStorageDevice •HardDiskDrive •NetworkDevice,wheretheserverEthernetcardisNetworkDevice1,and additionalNIC/ALOMcardsareNetworkDevice2,NetworkDevice3,andsoon. 3.ClickApply. Changingtheone-timebootstatus Tosetthetypeofmediatobootonthenextserverreset,withoutchangingthepredefinedboot order: 1.NavigatetotheVirtualMedia→BootOrderpage,asshowninFigure76(page142). 2.SelectanoptionfromtheSelectOne-TimeBootOptionlist. Thefollowingoptionsareavailable: •NoOne-TimeBoot •CD/DVDDrive •FloppyDrive •USBStorageDevice •HardDiskDrive •NetworkDevice 3.ClickApply. Thefollowingmessageappears: Successfully set one-time boot option. TheCurrentOne-TimeBootOptionvalueisupdatedtoshowtheselection. Usingtheadditionaloptions NavigatetotheVirtualMedia→BootOrderpage,asshowninFigure76(page142). •ClickBoottoSystemRBSUtoloadthesystemRBSUonthenextserverreset. •ClickServerResettoreboottheserver.Ifaone-timebootoptionisspecified,thissettingtakes precedenceovertheServerBootOrdervalue. Aboutserverpower Brownoutrecovery Abrownoutconditionoccurswhenpowertoarunningserverislostmomentarily.Abrownout interruptstheoperatingsystem,butdoesnotinterrupttheiLOfirmwareunlessitlastsmorethan4 seconds. iLOdetectsandrecoversfrompowerbrownouts.IfiLOdetectsthatabrownouthasoccurred, serverpowerisrestoredafterthepower-ondelayunlessAutomaticallyPower-OnServerisdisabled. Afterthebrownoutrecovery,iLOfirmwarerecordsaBrown-out recoveryeventintheiLO EventLog. Aboutserverpower143
Gracefulshutdown TheabilityoftheiLOprocessortoperformagracefulshutdownrequirescooperationfromthe operatingsystem.Toperformagracefulshutdown,theiLOhealthdrivermustbeloaded.iLO communicateswiththehealthdriverandusestheappropriateoperatingsystemmethodofshutting downthesystemsafelytoensurethatdataintegrityispreserved. Ifthehealthdriverisnotloaded,theiLOprocessorattemptstousetheoperatingsystemtoperform agracefulshutdownthroughthepowerbutton.iLOemulatesaphysicalpower-buttonpress(iLO momentarypress)inordertoprompttheoperatingsystemtoshutdowngracefully.Thebehavior oftheoperatingsystemdependsonitsconfigurationandsettingsforapower-buttonpress. FormoreinformationabouttheiLOdrivers,see“InstallingtheiLOdrivers”(page22). WhenusingWindowsServer2003orlater,thecomputergrouppolicydisablesagracefulsystem shutdownviaamomentarypressunlessanAdministratorisloggedintotheoperatingsystem.To changethissettingandenableagracefulshutdown,dothefollowing: 1.Fromacommandprompt,executethegpedit.misccommand. 2.SetthefollowingsettingtoEnabled:ComputerConfiguration→WindowsSettings→Security Settings→LocalPolicies→SecurityOptions→Shutdown:Allowsystemtobeshutdownwithout havingtologon. Powerefficiency iLOenablesyoutoimprovepowerusagebyusingHighEfficiencyMode.HEMimprovesthepower efficiencyofthesystembyplacingthesecondarypowersuppliesinstep-downmode.Whenthe secondarysuppliesareinstep-downmode,theprimarysuppliesprovideallDCpowertothe system.ThepowersuppliesaremoreefficientbecausetherearemoreDCoutputwattsforeach wattofACinput. NOTE:HEMisavailableonnonbladeserversonly. Whenthesystemdrawsmorethan70%ofthemaximumpoweroutputoftheprimarysupplies, thesecondarysuppliesreturntonormaloperation(thatis,theyexitstep-downmode).Whenpower usedropsbelow60%capacityoftheprimarysupplies,thesecondarysuppliesreturntostep-down mode.HEMenablesyoutoachievepowerconsumptionequaltothemaximumpoweroutputof theprimaryandsecondarypowersupplies,whilemaintainingimprovedefficiencyatlower power-usagelevels. HEMdoesnotaffectpowerredundancy.Iftheprimarysuppliesfail,thesecondarysupplies immediatelybeginsupplyingDCpowertothesystem,preventinganydowntime. YoumustconfigureHEMthroughthesystemRBSU.YoucannotmodifythesesettingsthroughiLO. Formoreinformation,seetheHPROM-BasedSetupUtilityUserGuide. TheconfiguredHEMsettingsaredisplayedontheSystemInformation→ServerPowerpage. UsingiLOPowerManagement iLOPowerManagementenablesyoutoviewandcontrolthepowerstateoftheserver,monitor powerusage,andmodifypowersettings.ThePowerManagementmenuhasthreeoptions:Server Power,PowerMeter,andPowerSettings. Managingtheserverpower TheVirtualPowerButtonsectionontheServerPowerpagedisplaysthecurrentpowerstateofthe server,aswellasoptionsforremotelycontrollingserverpower.SystemPowerindicatesthestate oftheserverpowerwhenthepageisfirstopened.TheservercanbeON,OFF,orReset.Usethe browserrefreshfeaturetoviewthecurrentserverpowerstate. TheserverisrarelyintheResetstate. 144UsingiLO
TochangetheserverpowerstatebyusingtheVirtualPowerButtonoptions,youmusthavethe VirtualPowerandResetprivilege.Someofthepowercontroloptionsdonotshutdowntheoperating systemgracefully.BeforeyouusetheVirtualPowerButtonoptions,youmustusetheRemoteConsole toinitiateanoperatingsystemshutdown. Tochangetheserverpowerstate: 1.NavigatetothePowerManagement→ServerPowerpage,asshowninFigure77(page145). Figure77ServerPowerpage 2.Clickoneofthefollowingbuttons: •MomentaryPress—Thesameaspressingthephysicalpowerbutton.Iftheserveris poweredoff,amomentarypresswillturntheserverpoweron. Someoperatingsystemsmightbeconfiguredtoinitiateagracefulshutdownaftera momentarypress,ortoignorethisevent.HPrecommendsusingsystemcommandsto completeagracefuloperatingsystemshutdownbeforeyouattempttoshutdownbyusing theVirtualPowerbutton. •PressandHold—Thesameaspressingthephysicalpowerbuttonfor5secondsandthen releasingit. Theserverispoweredoffasaresultofthisoperation.Usingthisoptionmightcircumvent thegracefulshutdownfeaturesoftheoperatingsystem. ThisoptionprovidestheACPIfunctionalitythatsomeoperatingsystemsimplement.These operatingsystemsbehavedifferentlydependingonashortpressorlongpress. •Reset—Forcestheservertowarm-boot:CPUsandI/Oresourcesarereset.Usingthis optioncircumventsthegracefulshutdownfeaturesoftheoperatingsystem. •ColdBoot—Immediatelyremovespowerfromtheserver.Processors,memory,andI/O resourceslosemainpower.Theserverwillrestartafterapproximately6seconds.Using thisoptioncircumventsthegracefulshutdownfeaturesoftheoperatingsystem. NOTE:ThePressandHold,Reset,andColdBootoptionsarenotavailablewhentheserver ispowereddown. UsingiLOPowerManagement145
ConfiguringtheSystemPowerRestoreSettings TheSystemPowerRestoreSettingssectionenablesyoutocontrolsystembehaviorafterpoweris lost.YoucanalsoconfigurethesesettingsbyusingthesystemRBSUduringPOST.Youmusthave theConfigureiLOSettingsprivilegetochangetheSystemPowerRestoreSettings. TochangetheSystemPowerRestoreSettings: 1.NavigatetothePowerManagement→ServerPowerpage,asshowninFigure77(page145). 2.SelectorcleartheAutoPower-Oncheckbox. ThissettingenablesiLOtopoweronaserverwhenpowerisapplied,suchaswhentheserver ispluggedin,orwhenaUPSisactivatedafterapoweroutage. Ifpowerisunexpectedlylostwhiletheserverispoweringup,theserveralwayspowersback on,evenifAutoPower-Onisdisabled. 3.SelectaPower-OnDelayvalue. Thissettingstaggersserverautomaticpower-oninadatacenter.Itdeterminestheamountof timeiLOdelaysbeforepoweringonaserverafteriLOstartupiscomplete. Thefollowingoptionsareavailable: •MinimumDelay—Power-onoccursafteriLOstartupiscomplete. •15SecondDelay—Power-onisdelayedby15seconds. •30SecondDelay—Power-onisdelayedby30seconds. •45SecondDelay—Power-onisdelayedby45seconds. •60SecondDelay—Power-onisdelayedby60seconds. •Randomupto120seconds—Thepower-ondelayvariesandcanbeupto120seconds. 4.ClickSubmit. Viewingserverpowerusage ThePowerMeterpageenablesyoutoviewtheserverpowerconsumptionovertime. ThisfeatureandmanyothersarepartofaniLOlicensingpackage.Formoreinformationabout iLOlicensing,seethefollowingwebsite:http://www.hp.com/go/ilo/licensing. Toaccesspower-metergraphs,navigatetothePowerManagement→PowerMeterpage,asshown inFigure78(page147). 146UsingiLO
Figure78PowerMeterpage Thepower-metergraphsdisplayrecentserverpowerusage.ThegraphdataisresetwheniLOor theserverisreset.TheiLOfirmwareperiodicallysamplespeakpower,averagepower,andpower cap.Thefollowinggraphsaredisplayed: •24-HourHistoryGraph—Thisgraphdisplaysthepowerusageoftheserverovertheprevious 24hours.TheiLOfirmwarecollectspowerusageinformationfromtheserverevery5minutes. Thebargraphdisplaystheaveragevaluesinblueandthepeakvaluesinred.Thegraph showsNocapsetduringahostpowerreset. •20-MinuteHistoryGraph—Thisgraphdisplaysthepowerusageoftheserverovertheprevious 20minutes.TheiLOfirmwarecollectspowerusageinformationfromtheserverevery10 seconds.Thebargraphdisplaystheaveragevaluesinblueandthepeakvaluesinred. TIP:Movethemousecursoroverthegraphtoviewthepowerusageforaspecificpointintime. Whenyouareviewingthepower-metergraphs,usetheDisplayOptionstocontroltheinformation thatisdisplayed.Youcanviewminimum,average,peak,andcappowerinformation. UsingiLOPowerManagement147
Selectoneormoreofthefollowingcheckboxes,andthenclickRefreshPagetoupdatethegraphs. •Min(staticlow)—Theminimumvalueobservedduringameasurementperiod.Typically,the 20-minutegraphmeasuresaminimumvalueevery10seconds,whichmatchestheaverage value.The24-hourgraphcancaptureminimumvalueslowerthanthe5-minuteaveragevalue. •Avg—Themeanpowerreadingduringthesample. •Peak—Thehighestinstantaneouspowerreadingduringthesample.iLOrecordsthisvalueon asubsecondbasis. •Cap—Theconfiguredpowercapduringthesample.Ifthepowercapisnotconfiguredoris notsupported,itdoesnotappear. ◦Apowercaplimitsaveragepowerdrawforextendedperiodsoftime. ◦Powercapsarenotmaintainedduringserverreboots,resultingintemporaryspikesduring boot. ◦Powercapssetforlessthan50%ofthedifferencebetweenmaximumpowerandidle powermightbecomeunreachablebecauseofchangesintheserver.HPdoesnot recommendconfiguringpowercapsforlessthan20%.Configuringapowercapthatis toolowforthesystemconfigurationcanaffectsystemperformance. ◦FormoreinformationaboutHPInsightControlpowermanagementsoftware,seehttp:// www.hp.com/go/dpc. Thefollowingoptionsarealsoavailable: •PowerUnit—SelectavalueonthePowerUnitlisttoshowthepowerreadingsineitherwatts orBTU/hr. •RefreshPage—ClicktheRefreshPagebuttontoupdatethehistorygraphs. Viewingthecurrentpowerstate Toviewthecurrentpowerstate,navigatetothePowerManagement→PowerMeterpage,as showninFigure78(page147).ScrolltotheCurrentStatesection,asshowninFigure79(page148). Figure79PowerMeterpageCurrentStatesection ThevaluesdisplayedintheCurrentStatetablevarydependingontheservertype: •PresentPowerReading—Thecurrentpowerreadingfromtheserver.Thisvalueisdisplayed forallHPProLiantservertypes. •PresentPowerCap—Theconfiguredpowercapfortheserver.Thisvalueis0ifthepower capisnotconfigured.ThisvalueisdisplayedforHPProLiantML,DL,andbladeservers. •PowerInputVoltage—Thesuppliedinputvoltagefortheserver.ThisvalueisdisplayedforHP ProLiantMLandDLservers. •PowerRegulatorMode—TheconfiguredHPPowerRegulatorforProLiantmode.Thisvalueis displayedforallHPProLiantservertypes.Forinformationaboutthepossiblesettings,see “Configuringpowersettings”(page149). 148UsingiLO
•PowerSupplyCapacity—Theserverpowercapacity.ThisvalueisdisplayedforHPProLiant SLservers. •PeakMeasuredPower—Thehighestmeasuredpowerreading.ThisvalueisdisplayedforHP ProLiantSLservers. Viewingtheserverpowerhistory Toviewtheserverpowerhistory,navigatetothePowerManagement→PowerMeterpage,as showninFigure78(page147).ScrolltothePowerHistorysection,asshowninFigure79(page148). Figure80PowerMeterpagePowerHistorysection 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: UsingiLOPowerManagement149
1.NavigatetothePowerManagement→PowerSettingspage,asshowninFigure81(page150). Figure81PowerSettingspage 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. 150UsingiLO