Lenovo System x3550 M5 - Reliability, Availability, and Serviceability

Reliability,availability,andserviceability
Threeimportantcomputerdesignfeaturesarereliability,availability,andserviceability(RAS).TheRAS
featureshelptoensuretheintegrityofthedatathatisstoredintheserver,theavailabilityoftheserverwhen
youneedit,andtheeasewithwhichyoucandiagnoseandcorrectproblems.
YourserverhasthefollowingRASfeatures:
•3-yearpartsand3-yearlaborlimitedwarranty(MachineType8869)
•24-hoursupportcenter
•Automaticerrorretryandrecovery
•Automaticrestartonnonmaskableinterrupt(NMI)
•Automaticrestartafterapowerfailure
•Backupbasicinput/outputsystemswitchingunderthecontroloftheintegratedmanagementmodule
(IMM)
•Built-inmonitoringforfan,power,temperature,voltage,andpower-supplyredundancy
•Cable-presencedetectiononmostconnectors
•Chipkillmemoryprotection
•Double-devicedatacorrection(DDDC)forx4DRAMtechnologyDIMMs(availableon16GBDIMMsonly).
Ensuresthatdataisavailableonasinglex4DRAMDIMMafterahardfailureofuptotwoDRAMDIMMs.
Onex4DRAMDIMMineachrankisreservedasaspacedevice.
•DiagnosticsupportforServeRAIDandEthernetadapters
•Errorcodesandmessages
•Errorcorrectingcode(ECC)L3cacheandsystemmemory
•FullArrayMemoryMirroring(FAMM)redundancy
•Hot-swapcoolingfanswithspeed-sensingcapability
•Hot-swapharddiskdrives
•IntegratedManagementModule(IMM)
•Memorymirroringandmemorysparingsupport
•Memoryerrorcorrectingcodeandparitytest
•Memorydownsizing(non-mirroredmemory).Afterarestartoftheserverafterthememorycontroller
detectedanon-mirroreduncorrectableerrorandthememorycontrollercannotrecoveroperationally,
theIMMlogstheuncorrectableerrorandinformsPOST.POSTlogicallymapsoutthememorywiththe
uncorrectableerror,andtheserverrestartswiththeremaininginstalledmemory.
•Menu-drivensetup,systemconfiguration,andredundantarrayofindependentdisks(RAID)configuration
programs
•Microprocessorbuilt-inself-test(BIST),internalerrorsignalmonitoring,internalthermaltripsignal
monitoring,configurationchecking,andmicroprocessorandvoltageregulatormodulefailureidentification
throughlightpathdiagnostics
•Nonmaskableinterrupt(NMI)button
•Paritycheckingonthesmallcomputersysteminterface(SCSI)busandPCI-EandPCIbuses
•Powermanagement:CompliancewithAdvancedConfigurationandPowerInterface(ACPI)
•Power-onself-test(POST)
•ProactivePlatformAlerts(includingPredictiveFailureAnalysisandSelf-Monitoring,Analysisand
ReportingTechnologyalerts):microprocessors,voltageregulators,memory,internalstorage(SAS/SATA
harddiskdrivesandsolid-statedrives,NVMesolid-statedrives,M.2storage,flashstorageadapters),
fans,powersupplies,RAIDcontrollers,andserverambientandsub-componenttemperatures
•RedundantEthernetcapabilitieswithfailoversupport
•Redundanthot-swappowersuppliesandredundanthot-swapfans
•Redundantnetworkinterfacecard(NIC)support
•Remindbuttontotemporarilyturnoffthesystem-errorLED
•Remotesystemproblem-determinationsupport
•ROM-baseddiagnostics
•ROMchecksums
Chapter1.TheLenovoSystemx3550M5server15