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2026/4/25IdentifyItemsthatareSynchronizedforServerRedundancySituationElevenReviewIdentifyItemsthatareSynchronizedforServerRedundancyEXP25R300ExperionSystemTroubleshootingSituationElevenReviewIdentifyItemsthatareSynchronizedforServerRedundancyEXP25R300ExperionSystemTroubleshooting225四月2026SummarySlideIdentifyItemsthatareSynchronizedforServerRedundancyIdentifyTestsandDiagnosticsforRedundancyIdentifyItemsthatwillCauseaFailoverDescribeRedundancyConfigurationSituationElevenReviewEXP25R300ExperionSystemTroubleshooting325四月2026IntroductionServer同步的实现Server同步的诊断Server的故障Failover原因Server的Redun.配置Afterthissectionyoucando1.了解Server的数据库的同步

2.掌握Server的切换原因

3.能够完成初始Server冗余的配置42026/4/25C300ArchitecturePrimaryServerBackupServerStationScreenUpdatesDatabaseCheckpointsDataAcquisitionPrimaryServerBackupServerStationScreenUpdatesDatabaseCheckpointsDataAcquisitionCEEControllerArchitectureDescribeC200ControllerArchitectureEXP14R210-ExperionControlExecutionEnvironment(C200)52026/4/25QuickbuilderHMIWebDisplayBuilderControlBuilderConfigurationToolsSystemDisplaysEnterpriseModelBuilderToolsarelaunchedfromConfigurationStudioExperionServerandStationPlanningIdentifyExperionPKSConfigurationToolsEXP02R210-ExperionServer62026/4/25PrimaryServerSynchronizationwhenServerAisPrimary

DataisalwayssynchronizedfromPrimaryservertoBackupserver,anddatabase

changesareautomaticallysenttotheBackupserveroncesynchronizedmanuallyReportSourcefilesneedtobesynchronizedusingfilereplicationserviceEngineeringRepositorydatabaseandEnterpriseModelDatabaseisreplicated

fromServerBtoServerA,alwaysThisreplicationisconfiguredmanuallyonce,separatelyforEMDBandERDBDatabaseAlarms&EventsHistoryAbstractQDBCheckpointViewsMappingReportSourceEMDBERDBalwaysmastercopyDatabaseAlarms&EventsHistoryAbstractQDBCheckpointViewsMappingReportSourceEMDBERDBServerA

ServerBBackupServerPCN/FTEDatabasesynchronizationEMDBandERDBReplicationReplicatedusingFileReplicationwhenserversaresynchronized*SituationElevenReviewIdentifyItemsthatareSynchronizedforServerRedundancyEXP25R300ExperionSystemTroubleshooting72026/4/25PrimaryServerSynchronizationwhenServerBisPrimary

ServerBisPrimaryinthisexampleMemoryresidentportionofthedatabaseissenttothebackupserver

every300secondswhichiscalledthecheckpointperiodPeriodcanbeconfiguredbutgenerallyshouldnotbechangedAdverseeffectsonperformanceDatabaseAlarms&EventsHistoryAbstractQDBCheckpointViewsMappingReportSourceEMDBERDBalwaysmastercopyDatabaseAlarms&EventsHistoryAbstractQDBCheckpointViewsMappingReportSourceEMDBERDBServerA

ServerBBackupServerPCN/FTEDatabasesynchronizationEMDBandERDBReplicationReplicatedusingFileReplicationwhenserversaresynchronizedSituationElevenReviewIdentifyItemsthatareSynchronizedforServerRedundancyEXP25R300ExperionSystemTroubleshooting82026/4/25FileReplication(Pre-configured)

FileReplicationreplicatesfromPrimaryservertoBackupserverDatabaseAlarms&EventsHistoryAbstractQDBCheckpointViewsMappingReportSourceEMDBERDBalwaysmastercopyDatabaseAlarms&EventsHistoryAbstractQDBCheckpointViewsMappingReportSourceEMDBERDBServerA

ServerBEMDBandERDBReplicationFileReplication(Pre-configured)SituationElevenReviewIdentifyItemsthatareSynchronizedforServerRedundancyEXP25R300ExperionSystemTroubleshooting92026/4/25ThispageintentionallyleftblankSituationElevenReviewIdentifyItemsthatareSynchronizedforServerRedundancyEXP25R300ExperionSystemTroubleshooting2026/4/25IdentifyTestsandDiagnosticsforRedundancySituationElevenReviewIdentifyTestsandDiagnosticsforRedundancyEXP25R300ExperionSystemTroubleshootingSituationElevenReviewIdentifyTestsandDiagnosticsforRedundancyEXP25R300ExperionSystemTroubleshooting112026/4/25FactorswhichCauseaFailoverofPrimaryServerPowerlosstoserverHarddiskfailureMotherboardfailureBothcommunicationlinkfailureWindowsoperatingsystemcrashExperionServerservicesfailed\stoppedExperionPKSControlDataAccessServerExperionPKSServerDaemonExperionPKSServerDatabaseExperionPKSServerDesktopExperionPKSServerLoggerExperionPKSServerReplicationExperionPKSServerSystemRSLinxPCICdevicereportsmajorfaultstatusLostcommunicationwithPCICdevice

(4consecutiveoccurrences)UnabletocommunicatetoPCICdevicethroughconfiguredRSLinxdriver

(5consecutiveoccurrences)LostcommunicationwithRSLinxPrimaryServerAServerBPCN/FTESituationElevenReviewIdentifyTestsandDiagnosticsforRedundancyEXP25R300ExperionSystemTroubleshooting122026/4/25SimulationofFailuresPowerlosstoserverHarddiskfailureMotherboardfailureBothcommunicationlinkfailureWindowsoperatingsystemcrashExperionServerservicesfailed\stoppedExperionPKSControlDataAccessServerExperionPKSServerDaemonExperionPKSServerDatabaseExperionPKSServerDesktopExperionPKSServerLoggerExperionPKSServerReplicationExperionPKSServerSystemRSLinxPCICdevicereportsmajorfaultstatusLostcommunicationwithPCICdevice

(4consecutiveoccurrences)UnabletocommunicatetoPCICdevicethroughconfiguredRSLinxdriver

(5consecutiveoccurrences)LostcommunicationwithRSLinxSwitchOffcomputerpowersupplyDisconnectbothFTEcablesShutdownWindowsSituationElevenReviewIdentifyTestsandDiagnosticsforRedundancyEXP25R300ExperionSystemTroubleshooting132026/4/25PowerlosstoserverHarddiskfailureMotherboardfailureBothcommunicationlinkfailureWindowsoperatingsystemcrashExperionServerservicesfailed\stoppedExperionPKSControlDataAccessServerExperionPKSServerDaemonExperionPKSServerDatabaseExperionPKSServerDesktopExperionPKSServerLoggerExperionPKSServerReplicationExperionPKSServerSystemRSLinxPCICdevicereportsmajorfaultstatusLostcommunicationwithPCICdevice

(4consecutiveoccurrences)UnabletocommunicatetoPCICdevicethroughconfiguredRSLinxdriver

(5consecutiveoccurrences)LostcommunicationwithRSLinxSimulationofFailuresRightclickononeofthementionedservicesandclickonStop.SituationElevenReviewIdentifyTestsandDiagnosticsforRedundancyEXP25R300ExperionSystemTroubleshooting142026/4/25ConditionswhichCannotbeSimulatedPowerlosstoserverHarddiskfailureMotherboardfailureBothcommunicationlinkfailureWindowsoperatingsystemcrashExperionServerservicesFailed\stoppedExperionPKSControlDataAccessServerExperionPKSServerDaemonExperionPKSServerDatabaseExperionPKSServerDesktopExperionPKSServerLoggerExperionPKSServerReplicationExperionPKSServerSystemRSLinxPCICdevicereportsmajorfaultstatusLostcommunicationwithPCICdevice

(4consecutiveoccurrences)UnabletocommunicatetoPCICdevicethroughconfiguredRSLinxdriver

(5consecutiveoccurrences)LostcommunicationwithRSLinxTheseconditionscannotbesimulated.SituationElevenReviewIdentifyTestsandDiagnosticsforRedundancyEXP25R300ExperionSystemTroubleshooting152026/4/25ManualFailovertoBackupServerClickonManualFailoverbuttonandacknowledgetoinitiateafailoverSituationElevenReviewIdentifyTestsandDiagnosticsforRedundancyEXP25R300ExperionSystemTroubleshooting162026/4/25PrimaryServerBackupServerStatusSynchStatusStatusoflinkbetweenthetworedundantserversQueuestatusbetweentheredundantserversEnablethisforfailoverduringHybridcommunicationssubsystemfailure(ExperionPKSserverprocesspoints)RedundancyDiagnosticSituationElevenReviewIdentifyTestsandDiagnosticsforRedundancyEXP25R300ExperionSystemTroubleshooting172026/4/25MonitorRedundantSystem–redun.pntFileImportintoQuickBuilderConfigureTrendandDownloadSituationElevenReviewIdentifyTestsandDiagnosticsforRedundancyEXP25R300ExperionSystemTroubleshooting2026/4/25IdentifyItemsthatwillCauseaFailoverSituationElevenReviewIdentifyItemsthatwillCauseaFailoverEXP25R300ExperionSystemTroubleshootingSituationElevenReviewIdentifyItemsthatwillCauseaFailoverEXP25R300ExperionSystemTroubleshooting192026/4/25Hardware/OSFailureswhichCauseFailoverPowerLosstoServerHardDiskFailureComputerMotherboardFailureWindowsOperatingSystemCrashBothCommunicationLinkFailurePrimaryServerBackupServerPCN/FTESituationElevenReviewIdentifyItemsthatwillCauseaFailoverEXP25R300ExperionSystemTroubleshooting202026/4/25EPKSServerServicesthatCauseFailoverAnyOneoftheseExperionServerServicesFailed/StoppedExperionPKSServerDaemonExperionPKSServerDatabaseExperionPKSServerDesktopExperionPKSServerLoggerExperionPKSServerReplicationExperionPKSServerSystemSituationElevenReviewIdentifyItemsthatwillCauseaFailoverEXP25R300ExperionSystemTroubleshooting212026/4/25CommunicationsSubsystemCDA(ControlDataAccess)thetypeofcommunicationisusedwith:C200,C300,ACE,SIM-C200,andFIM(FieldbusInterfaceModule)CDACommunicationsSubsystemisacollectionofsoftwarecomponentsthatcommunicatetoC200,C300,ACE,SIM-C200,andFIMCommunication

SubsystemSoftware

ComponentSituationElevenReviewIdentifyItemsthatwillCauseaFailoverEXP25R300ExperionSystemTroubleshooting222026/4/25FailuresthatDON’TCauseFailoverKeyboard\MouseMonitorCDDrive,FloppyDrive,TapeDriveSerialPort\ParallelPortTheCNetCableisDisconnected\Removed(EPKSonly)AC200orC300isDisconnectedorFailsExperionServerServicesFailed\StoppedExperionPKSHARTMultiplexer(EPKSonly)ExperionPKSServerOperatorManagementSituationElevenReviewIdentifyItemsthatwillCauseaFailoverEXP25R300ExperionSystemTroubleshooting232026/4/25SoftwareArbitrationAreyouhealthyIAmFine/FaultySoftwarearbitrationAreyouhealthyIAmFine/FaultySoftwarearbitrationServerAServerBServicesCheckedEPKSServerDaemonEPKSServerDatabase.EPKSServerDesktopEPKSServerLoggerEPKSServerReplicationEPKSServerSystemServicesCheckedEPKSServerDaemonEPKSServerDatabase.EPKSServerDesktopEPKSServerLoggerEPKSServerReplicationEPKSServerSystemPrimaryServerBackupServerHowDoesSoftwareArbitrationWork?SoftwarerunningontheprimaryandbackupserversprovidesthearbitrationBoththeserverspolleachother,viathenetwork,sooneserverknowsiftheotherserverhasfailedSituationElevenReviewIdentifyItemsthatwillCauseaFailoverEXP25R300ExperionSystemTroubleshooting242026/4/25ServerAFailsPCN/FTEServerAServerBServicesCheckedEPKSServerDaemonEPKSServerDatabase.EPKSServerDesktopEPKSServerLoggerEPKSServerReplicationEPKSServerSystemServicesCheckedEPKSServerDaemonEPKSServerDatabase.EPKSServerDesktopEPKSServerLoggerEPKSServerReplicationEPKSServerSystemPrimaryServerBackupServer*WhenanyoneoftheservicesshownfailsinthePrimaryserverthentheBackuptakesoverfromPrimary(evenifnotsynchronized)TakecaretosynchronizeAfterfailover,serversnotsynchronizedRequiresonemanualsyncSituationElevenReviewIdentifyItemsthatwillCauseaFailoverEXP25R300ExperionSystemTroubleshooting252026/4/25APrimary,ServerBFailsPCN/FTEServerAServerBServicesCheckedEPKSServerDaemonEPKSServerDatabase.EPKSServerDesktopEPKSServerLoggerEPKSServerReplicationEPKSServerSystemServicesCheckedEPKSServerDaemonEPKSServerDatabase.EPKSServerDesktopEPKSServerLoggerEPKSServerReplicationEPKSServerSystemPrimaryServerBackupServerSeveralSystemAlarmsindicatethatthebackupserverisnotavailableNofailoveroccursSituationElevenReviewIdentifyItemsthatwillCauseaFailoverEXP25R300ExperionSystemTroubleshooting2026/4/25DescribeRedundancyConfigurationSituationElevenReviewDescribeRedundancyConfigurationEXP25R300ExperionSystemTroubleshootingSituationElevenReviewDescribeRedundancyConfigurationEXP25R300ExperionSystemTroubleshooting272026/4/25ChecklistforRedundancyConfigurationModifyHOSTSFileonBothServersUncomment/Modifyredun.hdwFileonBothServersHardwareBuildtheredun.hdwFileonBothServersRestartServerB,waittoRestartCompletelyRestartServerASynchronizeServersEnableEMDB/ERDBReplicationStartEnd1DisableEMDB/ERDBReplication23457RecoverSecondaryEMDB/ERDBdatabases6SituationElevenReviewDescribeRedundancyConfigurationEXP25R300ExperionSystemTroubleshooting282026/4/25ConfigureRedundantServers(StepOne+Two)ModifyHostsFileinModifyredun.hdwFileinLink01isonlyusedforDualNetworks(notFTE)IdentifiesLink00Connection*SituationElevenReviewDescribeRedundancyConfigurationEXP25R300ExperionSystemTroubleshooting292026/4/25ConfigureRedundantServers(StepThree)TheServermustbein“DatabaseOnly”ModeExecute“hdwbldredun.hdw”CommandfromthePathShown*SituationElevenReviewDescribeRedundancyConfigurationEXP25R300ExperionSystemTroubleshooting302026/4/25ConfigureRedundantServers(StepFour)PressSynchronizebuttontostartserverdatabasesynchronizationSelectthisoptionifyouhaveprocesspointsSituationElevenReviewDescribeRedundancyConfigurationEXP25R300ExperionSystemTroubleshooting312026/4/25ConfigureRedundantServers(StepFive)DisablereplicationAppliesonlytoserverswithC200s,C300s,ACEsor

SIM-C200sSituationElevenReviewDescribeRedundancyConfigurationEXP25R300ExperionSystemTroubleshooting322026/4/25ConfigureRedundantServers(StepSix)

OnserverBlogintoDBAdminandclickRecover

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