Lenovo System x3500 M4 - Reliability, Availability, and Serviceability

TheUEFIfirmwareoffersseveralfeatures,includingUnifiedExtensibleFirmwareInterface(UEFI)
version2.1compliance,ActiveEnergyManagement(AEM)technology,enhancedreliability,availability,
andserviceability(RAS)capabilities,andbasicinput/outputsystem(BIOS)compatibilitysupport.
UEFIreplacestheBIOSanddefinesastandardinterfacebetweentheoperatingsystem,platform
firmware,andexternaldevices.TheserveriscapableofbootingUEFI-compliantoperatingsystems,
BIOS-basedoperatingsystems,andBIOS-basedadaptersaswellasUEFI-compliantadapters.
FormoreinformationaboutUEFI-compliantfirmware,gotohttp://www.ibm.com/support/entry/
portal/docdisplay?lndocid=MIGR-5083207.
Note:TheserverdoesnotsupportDOS.
•VMwareESXiembeddedhypervisor
AnoptionalUSBflashdevicewithVMwareESXiembeddedhypervisorsoftwareisavailableforpurchase.
Hypervisorisvirtualizationsoftwarethatenablesmultipleoperatingsystemstorunonahostsystemat
thesametime.InstalltheUSBflashdeviceintheUSBembeddedhypervisorflashdeviceconnectors
onthesystemboard(see“System-boardinternalconnectors”onpage27
).See“Usingtheembedded
hypervisor”onpage117foradditionalinformation.
Reliability,availability,andserviceability
Threeimportantcomputerdesignfeaturesarereliability,availability,andserviceability(RAS).TheRAS
featureshelptoensuretheintegrityofthedatathatisstoredintheserver,theavailabilityoftheserverwhen
youneedit,andtheeasewithwhichyoucandiagnoseandcorrectproblems.
YourserverhasthefollowingRASfeatures:
•3-yearpartsand3-yearlaborlimitedwarranty(MachineType7383)
•24-hoursupportcenter
•Automaticerrorretryandrecovery
•Automaticrestartonnonmaskableinterrupt(NMI)
•Automaticrestartafterapowerfailure
•Backupbasicinput/outputsystemswitchingunderthecontroloftheIntegratedManagementModuleII
(IMM2)
•Built-inmonitoringforfan,power,temperature,voltage,andpower-supplyredundancy
•Cable-presencedetectiononmostconnectors
•Chipkillmemoryprotection
•Single-devicedatacorrection(SDDC)forx4DRAMtechnologyDIMMs(availableon16GBDIMMsonly).
Ensuresthatdataisavailableonasinglex4DRAMDIMMafterahardfailureofuptotwoDRAMDIMMs.
Onex4DRAMDIMMineachrankisreservedasaspacedevice.
•DiagnosticsupportforServeRAIDandEthernetadapters
•Errorcodesandmessages
•Errorcorrectingcode(ECC)L3cacheandsystemmemory
•FullArrayMemoryMirroring(FAMM)redundancy
•Hot-swapcoolingfanswithspeed-sensingcapability
•Hot-swapharddiskdrives
•Hot-swappowersupplies
•InformationandlightpathdiagnosticsLEDpanels
•IntegratedManagementModuleII(IMM2)
•LightpathdiagnosticsLEDsforDIMMs,microprocessors,harddiskdrives,solidstatedrives,power
supplies,andfans
•Memorymirroringandmemorysparingsupport
•Memoryerrorcorrectingcodeandparitytest
•Memorydownsizing(non-mirroredmemory).Afterarestartoftheserverafterthememorycontroller
detectsanon-mirroreduncorrectableerrorandthememorycontrollercannotrecoveroperationally,the
IMM2logstheuncorrectableerrorandinformsPOST.POSTlogicallymapsoutthememorywiththe
uncorrectableerror,andtheserverrestartswiththeremaininginstalledmemory.
Chapter1.TheLenovoSystemx3500M4Type7383server15