MonitoringGridControlObjectivesAftercompletingthislesson,youshouldbeableto:MonitortheavailabilityofGridControlcomponentsMonitortheperformanceofManagementServer,Repository,andAgentIdentifylogandtracefilesforallGridControlcomponentsIdentifythevariouscommandstomanageGridControlcomponentsStartandshutdowntheGridControlframeworkDiscussbackupofOracleManagementService(OMS)andrepositoryMonitortheEMWebsiteWebapplicationMonitoringGridControlFrameworkTheGridControlframeworkmustfunctionefficientlyinordertomanageandmonitorthetargetsefficiently.WhenmonitoringtheGridControlframework,youshould:ExaminemanagementrepositoryoperationsEnsurethatmanagementservicesarefunctioningproperly CheckmanagementagentperformanceMonitoringtheRepositoryYoucantrackspaceusageintherepository:Lookforunusualtrends.Ensurethatspaceremainsforcontinuedoperation.RepositoryOperationsYoucangetanoverviewofthestatusandperformanceoftheDBMSjobswiththeRepositoryOperationspage.ManagementServicesTheManagementServicespagegivesyouinformationaboutthehealthandconfigurationofallManagementServices.Youcanmonitormanagementservicesfor:ErrorsFilespendingloadOldestfiletoloadManagementServiceStatusManagementAgents

HomeDirectoriesYouinstallthefollowingthreeOracleHomedirectorieswhenyouinstallGridControl:ManagementServicehomedirectory($OMS_HOME)ManagementAgenthomedirectory($AGENT_HOME)ManagementRepositoryhomedirectory($ORACLE_HOME)ManagementServiceHomeDirectorybinsysmanopmnj2eeApachewebcacheconfiglogemdbinlogsOC4J_EMlogApachelogslogsarchiveManagement

ServiceHome

(OMS_HOME)ViewingOMSLogFilesIndividuallogfilesaregeneratedforeachOMSsubcomponent:OracleWebCacheOracleHTTPServer(OHS)OracleApplicationServerContainersforJ2EE(OC4J)OracleProcessMonitorandNotificationServer(OPMN)OHSWebCacheOC4JEMOMSManagementRepositoryHomeDirectorybinsysmanhost_name_sidoc4jnetworkadminsysmanconfigj2eelogOracleDatabase10g

Home(ORACLE_HOME)tracelogemdViewingRepositoryLogFilesYoucanseetherepositorylogfileswhenyouhaveproblemswith:ConnectivityAvailabilityManagementAgentHomeDirectorybinsysmanconfiglogadminManagement

AgentHome

(AGENT_HOME)emdViewingAgentLogFilesYoucanseetheagentlogfileswhenyouhaveproblemswith:ConnectivityThroughputTargetdiscoveryRepositorysqlpluslsnrctlOMSopmnctlAgentemctlASControlemctlComponentControlUtilitiesControllingtheGridControlFrameworkOHSWebCacheOC4JEMOMSAgentsRepositoryControllingtheRepositoryDatabaseListenerTherepositorydatabaselisteneriscontrolledbytheListenerControlutility(lsnrctl):Startlistener:$ORACLE_HOME/bin/lsnrctlstartStoplistener:$ORACLE_HOME/bin/lsnrctlstopCheckstatus:$ORACLE_HOME/bin/lsnrctlstatusCheckservices:$ORACLE_HOME/bin/lsnrctlservicesControllingtheRepositoryDatabaseTherepositorydatabaseiscontrolledwithsqlplus:Beginasqlplussessionwithsqlplus

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as

sysdba.Startthedatabasewithstartup.Stopthedatabasewithshutdown

immediate.$sqlplus/assysdbaConnectedto:OracleDatabase10gEnterpriseEditionRelease.0-ProductionWiththePartitioning,OLAPandDataMiningoptionControllingOMSOracleManagementServicemaybecontrolledusing:OracleProcessMonitorandNotificationControl(opmnctl)EnterpriseManagerControl(emctl)OracleEnterpriseManager10gApplicationServerControlopmnctlUsetheOracleProcessMonitorandNotificationControlutility(opmnctl)to:StartandstopallOMScomponentsStartandstopindividualOMScomponentsCheckthestatusofOMScomponentsFewexamples:$OMS_HOME/opmn/bin/opmnctlstartall$OMS_HOME/opmn/bin/opmnctlstopall$OMS_HOME/opmn/bin/opmnctlstartprocias-component=OC4J$OMS_HOME/opmn/bin/opmnctlstopprocprocess-type=OC4J_EM$OMS_HOME/opmn/bin/opmnctlstatus-lemctlUsetheEnterpriseManagerControlutility(emctl)to:StartandstoprequiredOMScomponentsAdministerOracleEnterpriseManager10gApplicationServerControl$OMS_HOME/bin/emctlstartoms$OMS_HOME/bin/emctlstopoms$OMS_HOME/bin/emctlstatusoms$OMS_HOME/bin/emctlstartiasconsole$OMS_HOME/bin/emctlstopiasconsoleApplicationServerControl:1156StartingApplicationServerControlUseemctlcommandtostart,stop,orcheckthestatusofApplicationServerControl.MakesurethatyouareinOMS_HOMEbeforeissuingthecommands.$OMS_HOME/bin/emctlstartiasconsole$OMS_HOME/bin/emctlstopiasconsole$OMS_HOME/bin/emctlstatusiasconsoleOMSHomePageStarting,Stopping,andRestartingtheOMSControllingManagementAgentUsetheEnterpriseManagerControlutility(emctl)to:Start,stop,andmonitorstatusForceuploadstothemanagementrepository$AGENT_HOME/bin/emctlstartagent$AGENT_HOME/bin/emctlstopagent$AGENT_HOME/bin/emctlstatusagent$AGENT_HOME/bin/emctlupload$AGENT_HOME/bin/emctlclearstateagentStartingtheGridControlFrameworkTostarttheGridControlframework,performthefollowingsteps:Starttherepositorydatabaselistener.Starttherepositorydatabase.StarttheOMS.StarttheagentontheOMS/repositoryserver.Starttheagentsonthemanagedservers.AgentsOHSWebCacheOC4JEMOMSRepositoryStoppingtheGridControlFrameworkTostoptheGridControlframework,performthefollowingsteps:Stoptheagentsonmanagedservers(optional).StoptheagentontheOMS/repositoryserver.StoptheOMS.Stoptherepositorydatabase.Stoptherepositorydatabaselistener.OHSWebCacheOC4JEMOMSAgentsRepositoryKeepingGridControlHealthyTokeepyourGridControlframeworkhealthy,performthefollowingtasks:ChecktheOMSandrepositoryerrorspageandresolvethecausesofallerrors.Checkandresolveallwarningsandalerts.Adjustthresholdswhenneededtopreventfrequent“oscillation”ofwarningsandalerts.Checkandresolveallmetriccollectionerrors.AgentsnotconfiguredcorrectlycanstressGridControlsystems.Watchformonitoredtargetsthatarealwayslistedwithadownstatus.BackingUpGridControlTobackupGridControl,youmustbackupitsthreeimportantcomponents:Repository:Useanystandarddatabasetoolsforthe