HP Ilo 4 User Guide

							5.EnterthepathandfilenamefortheexistingimagefileintheImageFiletextbox.
TheJavaIRCbeginstheprocessofcopyingthedatafromtheimagefiletothedisk.The
followingmessageisdisplayed:
Creating disk, please wait...
Whenthediskcreationiscomplete,thefollowingmessageisdisplayed:
Disk was created successfully.
6.ClickClosetoclosetheCreateMediaImagedialogbox.
7.Confirmthatthefileswerecopiedtothespecifiedlocation.
UsingaVirtualFolder(.NETIRConly)
Thisfeatureenablesyoutoaccess,browseto,andtransferfilesfromaclienttoamanagedserver.
Youcanmountanddismountalocalornetworkeddirectorythatisaccessiblethroughtheclient.
Afteryoucreateavirtualimageofafolderordirectory,theserverconnectstothatimageasa
USBstoragedevice,enablingyoutobrowsetotheserverandtransferthefilesfromthe
iLO-generatedimagetoanylocationontheserver.
ThisfeatureandmanyothersarepartofaniLOlicensingpackage.Formoreinformationabout
iLOlicensing,seethefollowingwebsite:http://www.hp.com/go/ilo/licensing.
TheVirtualFolderisnonbootableandread-only;themountedfolderisstatic.Changestotheclient
folderarenotreplicatedinthemountedfolder.
TouseaVirtualFolder:
1.Startthe.NETIRC.
2.SelectVirtualDrives→Folder.
TheBrowseForFolderwindowopens.
3.Selectthefolderyouwanttouse,andthenclickOK.
TheVirtualFolderismountedontheserverwiththenameiLOFolder.
SettingupIISforscriptedVirtualMedia
BeforeyousetupIISforscriptedVirtualMedia,verifythatIISisoperational.UseIIStosetupa
simplewebsite,andthenbrowsetothesitetoverifythatitisworkingcorrectly.
ConfiguringIIS
ToconfigureIIStoservedisketteorISO-9660CDimagesforread-onlyaccess:
1.Addadirectorytoyourwebsiteandplaceyourimagesinthedirectory.
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							2.VerifythatIIScanaccesstheMIMEtypeforthefilesyouareserving.
Forexample,ifyourdisketteimagefilesusetheextension.img,youmustaddaMIMEtype
forthatextension.UsetheIISManagertoaccessthePropertiesdialogboxofyourwebsite.
OntheHTTPHeaderstab,clickMIMETypestoaddMIMEtypes.
HPrecommendsaddingthefollowingtypes:
.img application/octet-stream
.iso application/octet-stream
Afteryoucompletethesesteps,youshouldbeabletonavigatetothelocationofyourimagesby
usingawebbrowser,andthendownloadtheimagestoaclient.Ifyoucancompletethisstep,
yourwebserverisconfiguredtoserveread-onlydiskimages.
ConfiguringIISforread/writeaccess
1.InstallPerl(forexample,ActivePerl).
2.CustomizetheVirtualMediahelperapplicationasneeded.
Forasamplehelperapplication,see“SampleVirtualMediahelperapplication”(page233).
3.CreateadirectoryonyourwebsitefortheVirtualMediahelperscript,andthencopythescript
tothatdirectory.
Thesamplescriptusesthedirectorynamecgi-bin,butyoucanuseanyname.
4.OnthePropertiespageforyourdirectory,underApplicationSettings,clickCreatetocreate
anapplicationdirectory.
TheiconforyourdirectoryinIISManagerchangesfromafoldericontoagearicon.
5.SettheExecutepermissionstoScriptsonly.
6.VerifythatPerlissetupasascriptinterpreter.ClickConfigurationonthePropertiespageto
viewtheapplicationassociations.PerlmustbeconfiguredasshowninFigure5(page232).
Figure5Perlconfigurationexample
7.VerifythatWebServiceExtensionsallowsPerlscriptstoexecute.Ifnot,clickWebService
ExtensionsandsetPerlCGIExtensiontoAllowed.
8.Verifythattheprefixvariableinthehelperapplicationissetcorrectly.
Toviewasamplehelperapplication,see“SampleVirtualMediahelperapplication”(page233).
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							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,seetheHPiLO4Scripting
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 . "/" . $file;
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							#
# Decode the range
#
if ($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:Changesmadetothebootmode,bootorder,orone-timebootstatusmightrequirea
serverreset.iLOnotifiesyouwhenaresetisrequired.
Changingtheserverbootmode
HPProLiantserversthatsupporttheUnifiedExtensibleFirmwareInterfaceincludetheHPUEFI
SystemUtilitiessoftware,whichisembeddedinthesystemROM.Onserversthatsupportthis
feature,theiLOwebinterfaceBootOrderpageincludestheBootModesection.UsetheBootMode
settingtodefinehowtheserverlooksforOSbootfirmware.YoucanselectUEFIortheLegacy
BIOS.
Tochangetheserverbootmode:
1.NavigatetotheVirtualMedia→BootOrderpage.
2.SelectUnifiedExtensibleFirmwareInterface(UEFI)orLegacyBIOS.
3.ClickApply.
iLOpromptsyoutoconfirmthechange.Whenyouchangethissetting,youcannotmake
additionalchangesontheBootOrderpageuntilyouresettheserver.
4.ClickOKtoconfirmthechange.
5.ClickServerResettoresettheserver.
Changingtheserverbootorder
Tochangethebootorderoffloppy,CD/DVD-ROM,USB,harddisk,andnetworkdevices:
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							1.NavigatetotheVirtualMedia→BootOrderpage.
WhenVirtualMediaisconnected,theiLOwebinterfacedisplaystheVirtualMediatypenext
totheVirtualFloppy/USBkeyandVirtualCD/DVD-ROMtextatthetopofthepage.
2.SelectadeviceintheServerBootOrderlist,andclickUporDowntomoveitupordownin
thebootorder.
InLegacyBIOSmode,selectfromthefollowingdevices:
•CD/DVDDrive
•FloppyDrive(Gen8only)
•USBStorageDevice
•HardDiskDrive
•NetworkDevice,wheretheserverEthernetcardandadditional
NIC/FlexibleLOMcardsareNetworkDevice1,NetworkDevice2,NetworkDevice3,
andsoon.
InUEFImode,selectfromthefollowingdevices:
•CD/DVDDrive
•FloppyDrive(Gen8only)
•USBStorageDevice
•HardDiskDrive
•—OnserversthatsupporttheUEFISystemUtilities,theServerBoot
Orderlistshowsadevice-specificnameinsteadofthegenerictermthatdescribesthe
devicetype.Forexample,insteadofNetworkDevice,youmightseeEmbedded
FlexibleLOM1Port1:BroadcomNetXtremeGigabitEthernet(BCM5719)(IPv4).
3.ClickApply.
Thefollowingmessageappears:
Successfully set boot order.
UsingiLOVirtualMedia235 
						

							Changingtheone-timebootstatus
Tosetthetypeofmediatobootonthenextserverreset,withoutchangingthepredefinedboot
order:
Changingtheone-timebootstatusinLegacyBIOSmode
1.NavigatetotheVirtualMedia→BootOrderpage.
2.SelectanoptionfromtheSelectOne-TimeBootOptionlist.
Thefollowingoptionsareavailable:
•NoOne-TimeBoot
•CD/DVDDrive
•FloppyDrive(Gen8only)
•USBStorageDevice
•HardDiskDrive
•NetworkDevice,wheretheserverEthernetcardisNetworkDevice1,and
additionalNIC/FlexibleLOMcardsareNetworkDevice2,NetworkDevice3,andso
on.
•IntelligentProvisioning
3.ClickApply.
Thefollowingmessageappears:
Successfully set one-time boot option.
TheCurrentOne-TimeBootOptionvalueisupdatedtoshowtheselection.
Changingtheone-timebootstatusinUEFImode
1.NavigatetotheVirtualMedia→BootOrderpage.
2.SelectanoptionfromtheSelectOne-TimeBootOptionlist.
Thefollowingoptionsareavailable:
•NoOne-TimeBoot
•CD/DVDDrive
•FloppyDrive(Gen8only)
•USBStorageDevice
•HardDiskDrive
•NetworkDevice,wheretheserverEthernetcardisNetworkDevice1,and
additionalNIC/FlexibleLOMcardsareNetworkDevice2,NetworkDevice3,andso
on.
•IntelligentProvisioning
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							•UEFITarget—Whenyouselectthisoption,youcanselectfromthelistofavailableboot
devicesintheSelectUEFITargetOptionlist.
•EmbeddedUEFIShell—Whenyouselectthisoption,theserverbootstoanembedded
shellenvironmentthatisseparatefromtheUEFISystemUtilities.Formoreinformation,
seetheHPUEFIShellUserGuide.
3.IfyouselectedUEFITargetintheSelectOne-TimeBootOptionlist,selectabootdevicefrom
theSelectUEFITargetOptionlist.Forexample,youmighthaveaharddrivethatcontainstwo
bootablepartitions,andyoucanusethisoptiontoselectthebootablepartitiontouseonthe
nextserverreset.
4.ClickApply.
Thefollowingmessageappears:
Successfully set one-time boot option.
TheCurrentOne-TimeBootOptionvalueisupdatedtoshowtheselection.
Usingtheadditionaloptions
NavigatetotheVirtualMedia→BootOrderpage.
•DependingonwhetheryoursystemsupportsthelegacysystemRBSUortheUEFISystem
Utilities,clickBoottoSystemRBSUorBoottoSystemSetupUtilitiestoloadtheROM-based
setuputilityonthenextserverreset.
•ClickServerResettoreboottheserver.Ifaone-timebootoptionisspecified,thissettingtakes
precedenceovertheServerBootOrdervalue.
Aboutserverpower
Poweringontheserver
BeforetheintroductionoftheHPProLiantGen8servers,someHPProLiantservers(particularlyML
andDL)couldbepoweredonthroughthepowerbuttonwithinafewsecondsafterACpowerwas
connected.IfanACpowerlossoccursonHPProLiantGen8orGen9serverswithiLO4,
approximately30secondsmustelapsebeforetheserverscanpoweronagain.Thepowerbutton
willblink,indicatingapendingrequest,ifitispressedduringthattime.
ThisdelayisaresultoftheiLOfirmwareloading,authenticating,andbooting.iLOprocesses
pendingpower-buttonrequestswheninitializationiscomplete.Iftheserverdoesnotlosepower,
thereisnodelay.A30-seconddelayoccursonlyduringaniLOreset.Thepowerbuttonisdisabled
untiliLOisreadytomanagepower.
Apower-buttonwatchdogallowstheusertopoweronthesystemusingthepowerbuttonwhen
iLOdoesnotbootsuccessfully.
TheiLOfirmwaremonitorsandconfigurespowerthresholdstosupportmanaged-powersystems
(forexample,usingHPpowercappingtechnology).Multiplesystembrownout,blackout,and
thermaloverloadsmightresultwhensystemsareallowedtobootbeforeiLOcanmanagepower.
Themanaged-powerstateislostbecauseofACpowerloss,soiLOmustfirstboottoarestorestate
andallowpower-on.
Brownoutrecovery
Abrownoutconditionoccurswhenpowertoarunningserverislostmomentarily.Abrownout
interruptstheoperatingsystem,butdoesnotinterrupttheiLOfirmwareunlessitlastsmorethan4
seconds.
iLOdetectsandrecoversfrompowerbrownouts.IfiLOdetectsthatabrownouthasoccurred,
serverpowerisrestoredafterthepower-ondelayunlessAuto-PowerOnissettoAlwaysRemain
Aboutserverpower237 
						

							Off.Afterthebrownoutrecovery,iLOfirmwarerecordsaBrown-out recoveryeventinthe
iLOEventLog.
Gracefulshutdown
TheabilityoftheiLOprocessortoperformagracefulshutdownrequirescooperationfromthe
operatingsystem.Toperformagracefulshutdown,theiLOhealthdrivermustbeloaded.iLO
communicateswiththehealthdriverandusestheappropriateoperatingsystemmethodofshutting
downthesystemsafelytoensurethatdataintegrityispreserved.
Ifthehealthdriverisnotloaded,theiLOprocessorattemptstousetheoperatingsystemtoperform
agracefulshutdownthroughthepowerbutton.iLOemulatesaphysicalpower-buttonpress(iLO
momentarypress)inordertoprompttheoperatingsystemtoshutdowngracefully.Thebehavior
oftheoperatingsystemdependsonitsconfigurationandsettingsforapower-buttonpress.
FormoreinformationabouttheiLOdrivers,see“InstallingtheiLOdrivers”(page34).
TheThermalShutdownoptioninthesystemRBSUorUEFISystemUtilitiesallowsyoutodisable
theautomaticshutdownfeature.Thisconfigurationallowsthedisablingofautomaticshutdown
exceptinthemostextremeconditionswhenphysicaldamagemightresult.
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.
YoumustconfigureHEMthroughthesystemRBSUorUEFISystemUtilities.Youcannotmodify
thesesettingsthroughiLO.Formoreinformation,seetheHPROM-BasedSetupUtilityUserGuide
ortheHPUEFISystemUtilitiesUserGuide.
TheconfiguredHEMsettingsaredisplayedontheSystemInformation→ServerPowerpage.
UsingiLOPowerManagement
iLOPowerManagementenablesyoutoviewandcontrolthepowerstateoftheserver,monitor
powerusage,andmodifypowersettings.ThePowerManagementmenuhasthreeoptions:Server
Power,PowerMeter,andPowerSettings.
Managingtheserverpower
TheVirtualPowerButtonsectionontheServerPowerpagedisplaysthecurrentpowerstateofthe
server,aswellasoptionsforremotelycontrollingserverpower.SystemPowerindicatesthestate
oftheserverpowerwhenthepageisfirstopened.TheserverpowerstatecanbeON,OFF,or
Reset.Usethebrowserrefreshfeaturetoviewthecurrentserverpowerstate.
TheserverisrarelyintheResetstate.
238UsingiLO 
						

							Usethefollowingproceduretochangetheserverpowerstate.YoumusthavetheVirtualPower
andResetprivilegetousethisfeature.
1.NavigatetothePowerManagement→ServerPowerpage.
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.
ConfiguringtheSystemPowerRestoreSettings
TheSystemPowerRestoreSettingssectionenablesyoutocontrolsystembehaviorafterpoweris
lost.YoucanalsoconfigurethesesettingsbyusingthesystemRBSUorUEFISystemUtilitiesduring
POST.YoumusthavetheConfigureiLOSettingsprivilegetochangetheSystemPowerRestore
Settings.
TochangetheSystemPowerRestoreSettings:
UsingiLOPowerManagement239 
						

							1.NavigatetothePowerManagement→ServerPowerpage.
2.SelectanAutoPower-Onvalue.
ThissettingdetermineshowiLObehavesafterpowerisrestored—forexample,whenthe
serverispluggedinorwhenaUPSisactivatedafterapoweroutage.Thissettingisnot
supportedwithmicro-UPSsystems.
Thefollowingoptionsareavailable:
•AlwaysPowerOn—Powerontheserverafterthepower-ondelay(defaultforBLservers).
•AlwaysRemainOff—Theserverremainsoffuntildirectedtopoweron.
•RestoreLastPowerState—Returnstheservertothepowerstatewhenpowerwaslost.If
theserverwason,itpowerson;iftheserverwasoff,itremainsoff.Thisoptionisthe
defaultsettingforML,DL,andSLservers.ItisnotavailableonBLservers.
NOTE:ChangestotheAutoPowerOnvaluemightnottakeplaceuntilafterthenextserver
reboot.
3.SelectaPower-OnDelayvalue.
Thissettingstaggersserverautomaticpower-oninadatacenter.Itdeterminestheamountof
timeiLOdelaysbeforepoweringonaserverafteriLOstartupiscomplete.Thissettingisnot
supportedwithmicro-UPSsystems.
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.
240UsingiLO