Lenovo x3250 m6 - Out-Of-Band Method; Automated Boot Recovery (ABR); Nx-Boot Failure

Out-of-bandmethod
SeetheIMM2documentation(IntegratedManagementModuleIIUser'sGuide)at
http://publib.boulder.ibm.com/infocenter/systemx/documentation/topic/com.lenovo.sysx.imm2.doc/
product_page.html.
Automatedbootrecovery(ABR)
Whiletheserverisstarting,iftheintegratedmanagementmoduleIIdetectsproblemswiththeserver
firmwareintheprimarybank,theserverautomaticallyswitchestothebackupfirmwarebankandgives
youtheopportunitytorecoverthefirmwareintheprimarybank.ForinstructionsforrecoveringtheUEFI
firmware,see“Recoveringtheserverfirmware(UEFIupdatefailure)”onpage74
.Afteryouhaverecovered
thefirmwareintheprimarybank,dothefollowing:
Step1.Restarttheserver.
Step2.WhenthepromptPressF3torestoretoprimaryisdisplayed,pressF3tostarttheserverfrom
theprimarybank.
Nx-bootfailure
Configurationchanges,suchasaddeddevicesoradapterfirmwareupdates,andfirmwareorapplication
codeproblemscancausetheservertofailPOST(thepower-onself-test).Ifthisoccurs,theserverresponds
ineitherofthefollowingways:
•TheserverrestartsautomaticallyandattemptsPOSTagain.
•Theserverhangs,andyoumustmanuallyrestarttheserverfortheservertoattemptPOSTagain.
Afteraspecifiednumberofconsecutiveattempts(automaticormanual),theNx-bootfailurefeaturecauses
theservertoreverttothedefaultUEFIconfigurationandstarttheSetupUtilitysothatyoucanmakethe
necessarycorrectionstotheconfigurationandrestarttheserver.IftheserverisunabletocompletePOST
withthedefaultconfigurationsuccessfully,theremightbeaproblemwiththesystemboard.
YoucansetthenumberofconsecutiverestartattemptsthatwilltriggertheNx-bootfailurefeature,in
theSetupUtility.Tospecifythenumber,clickSystemSettings➙Recovery➙POSTAttempts➙
POSTAttemptsLimit.Then,choosetheitemfromthefollowingavailableoptions:3,6,9,andDisable
Nx-bootfailure.
76LenovoSystemx3250M6InstallationandServiceGuide