Lenovo x3650 M4 BD 5466 - Reliability, Availability, and Serviceability

withtheprimaryconnectionisautomaticallyswitchedtotheoptionalredundantEthernetconnection.
Iftheapplicabledevicedriversareinstalled,thisswitchingoccurswithoutdatalossandwithoutuser
intervention.
•Redundantcoolingandoptionalpowercapabilities
Theserversupportsamaximumoftwo750-wattor900-watthot-swappowersuppliesandthree
dual-motornonhot-swapfans,whichprovideredundancyforatypicalconfiguration.Theredundant
coolingbythefansintheserverenablescontinuedoperationifoneofthefansfails.Theservercomes
withone750-wattor900-watthot-swappowersupplyandthreenonhot-swapfans.
Note:Youcannotmix750-wattand900-wattpowersuppliesintheserver.
•ServeRAIDsupport
TheServeRAIDadapterprovideshardwareredundantarrayofindependentdisks(RAID)supporttocreate
configurations.ThestandardRAIDadapterprovidesRAIDlevels0and1.AnoptionalRAIDadapteris
availableforpurchase.
•Systems-managementcapabilities
TheservercomeswithanintegratedmanagementmoduleII(IMM2).WhentheIMM2isusedwiththe
systems-managementsoftwarethatcomeswiththeserver,youcanmanagethefunctionsoftheserver
locallyandremotely.TheIMM2alsoprovidessystemmonitoring,eventrecording,andnetworkalert
capability.Thesystem-managementconnectorontherearoftheserverisdedicatedtotheIMM2.The
dedicatedsystem-managementconnectorprovidesadditionalsecuritybyseparatingthemanagement
networktrafficfromtheproductionnetwork.YoucanusetheSetuputilitytoconfiguretheservertouse
adedicatedsystems-managementnetworkorasharednetwork.
Reliability,availability,andserviceability
Threeimportantcomputerdesignfeaturesarereliability,availability,andserviceability(RAS).TheRAS
featureshelptoensuretheintegrityofthedatathatisstoredintheserver,theavailabilityoftheserverwhen
youneedit,andtheeasewithwhichyoucandiagnoseandcorrectproblems.
TheserverhasthefollowingRASfeatures:
•Automaticerrorretryandrecovery
•Automaticrestartafterapowerfailure
•Built-inmonitoringforfan,power,temperature,voltage,andpower-supplyredundancy
•Cable-presencedetectiononmostconnectors
•Chipkillmemoryprotection
•DualredundantUEFIserverfirmwareimages
•Errorcodesandmessages
•Errorcorrectingcode(ECC)L2cacheandsystemmemory
•Coolingfanswithspeed-sensingcapability
•Hot-swapharddiskdrives(forserversthatsupportsuchdrives)
•InformationandlightpathdiagnosticsLEDpanels
•Integratedmanagementmodule(serviceprocessor)
•Memorymirroring
•Menu-drivensetup,systemconfiguration,andredundantarrayofindependentdisks(RAID)configuration
programs
•ParitycheckingorCRCcheckingontheserially-attachedSCSI(SAS)busandPCIbuses
•Powermanagement:compliancewithAdvancedConfigurationandPowerInterface(ACPI)
•Power-onself-test(POST)
•PredictiveFailureAnalysis(PFA)alertsonmemory,SAS/SATAharddiskdrivesandfans
•RedundantEthernetcapabilitieswithfailoversupport
•Redundanthot-swappowersupplies
•Remotesystemproblem-determinationsupport
•Standbyvoltageforsystems-managementfeaturesandmonitoring
12LenovoSystemx3650M4BDInstallationandServiceGuide