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.However, you can run multiple instances of the DBA tools.Connecting to a RepositoryWhen you start Enterprise Manager, the copyright window displays, then theLogin Information dialog box appears.Use the login box to connect to the useraccount in the Oracle database where your Enterprise Manager repository is stored.For information on connecting to an Oracle database, See Connecting to an Instanceon page 1-22.If the Enterprise Manager repository does not exist, it is automatically created anda dialog box informs you of the operation.If the repository exists, the version mustbe compatible with the Enterprise Manager Console version.If the existingEnterprise Manager repository version is older than the Oracle Enterprise ManagerConsole version, the existing repository is upgraded automatically and a dialogbox informs you of the upgrade.Overview of Oracle Enterprise Manager 1-19Getting StartedIf the Oracle Enterprise Manager Console version is older than the EnterpriseManager repository version, you need to install a more recent, compatible versionof Enterprise Manager.Warning: Do not log on to the Oracle Enterprise Manager repository multipletimes with the same username.Enterprise Manager requires unique usernamesacross all repositories whether or not the repositories are in different databases.Awarning displays if you attempt this and you are using the same repository.Ignorethe warning only if the previous Console session was aborted or a machine wasdisconnected.Because an Intelligent Agent uses the unique username whentracking jobs and events, identical users cause problems with agent notifications forjobs and events.Adding Services to the NavigatorAfter the Enterprise Manager Console is running, you need to populate theNavigator tree with the nodes and services in the network that you want toadminister.For information, see Discovering Services on page 2-8.Launching ToolsYou can launch an Enterprise Manager database administration tool with theOracle Administrator Toolbar, as a separate application, or through the Console.However, some tools cannot be launched without the Console and some havelimited functionality without the Console.When a tool is launched, it attempts to connect to a database if one has beenselected.If the login is unsuccessful or database has not been selected, the LoginInformation dialog displays.For information on connecting to an Oracle database,See Connecting to an Instance on page 1-22.To launch a tool with the Administrator Toolbar, click the tool s icon in thetoolbar.The tool connects to default database if one is specified.For moreinformation, see the online help for the Administration Toolbar or OracleAdministrator Toolbar on page 1-14.To launch a tool separately, select the application in the Oracle EnterpriseManager group.Enter the connect information in the Login Information dialogbox.You can also use the Start->Run option or the DOS prompt.You caninclude a connect string with the Run option or at the command prompt.Forexample, to launch Security Manager (vac.exe):vac.exe scott/tiger@mydb1-20 Oracle Enterprise Manager Administrator s GuideGetting StartedTo launch a tool through the Console, you can:Select the database you want to administer in the Navigator tree or in theMap window, then choose the application in the Console Tools menu or thelaunch palette.Select the database you want to administer in the Navigator tree, thenchoose the application from the Related Tools menu of the context-sensitivemenu.Choose the application in the Console Tools menu or in the launch palette,then enter connect information in the Login Information dialog box.Note: When you select a database in the Console before launching a tool, you areconnected to the database according to the preferred credentials that have been setup for the database or the credentials you used to log on to the Console.Ifconnection to the database fails for any reason, the Login Information dialog boxdisplays.See Console User Preferences on page 1-24 for more information onconnecting to a database.Privileged OperationsTo perform a task using Enterprise Manager, you must have the appropriateprivileges [ Pobierz całość w formacie PDF ]

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