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The Console

This chapter describes the organization and basic components of the Oracle Enterprise Manager Console. The following topics are discussed:

Console Graphical User Interface

 The Console has a GUI that consists of windows, menus, toolbars, and launch palettes.

The Console menus primarily manipulate objects in the Console windows. The toolbars provide graphic icons that represent most of the menu items. The Tools palette is primarily used to execute applications and utilities and contains graphic representations of the Tools menu items.

The menus, toolbars, and palettes are context-sensitive. You can also launch integrated applications from the Console: the menus options that are available depend on which Console window is currently active, and the tools available in the Tools palette depend on the type of service selected in the Navigator or Map windows.

Use the F1 help to determine which options are context-sensitive.

Console Windows

The Console contains four windows that provide a general view of the system being managed and an interface to the Enterprise Manager common services. The windows are:

Figure 2-1: The Console Window shows the main windows of the Console.

Figure 2-1: The Console Window

Navigator Window

 The Navigator contains an object browser which provides a view of the network's nodes and services and the relationship between them. It simplifies basic user and group management tasks, enabling easy object manipulation through a tree list (a hierarchical view) of all objects in the system.

Objects include nodes, databases, listeners, users, roles, and profiles. The tree list provides a direct view of the nodes and services on the network and any objects they contain. For example, a node may contain a database and a listener. A database contains objects, such as users, roles, and profiles.

Each type of object in the Navigator tree list is identified by an icon and a name. An object in the tree can also be dragged and dropped to make copies of the objects in different location. For example, you can drag and drop users from one database to another.

Depending on the applications installed, objects other than nodes and services may appear in the Navigator window. For example, in an environment with specialized installations, such as a video server, other types of objects may be displayed in the Navigator tree.

Map Window

The Map window provides a customized, graphical representation of key objects created by an administrator to manage and monitor a subset or group of objects in the system. Objects can be grouped together based on any criteria, simplifying all operations performed on the group members.

The map is especially useful for the environments with very many databases and is also used to visually represent problems detected by the Event Management System.

Job Scheduling Window

The Job Scheduling window is the user interface to the Job Scheduling System which enables you to automate repetitive tasks and provides the kind of "lights out" management which is vital in a large, distributed environment.

Using the menus, property sheets, and dialog boxes of the Job Scheduling window, you can schedule or cancel a job and view its status, or review historical information about jobs.

Using the Job Scheduling system, you can also create and manage job scripts. See Chapter 3, Job and Event Systems for more information on the Job Scheduling System.

Event Management Window

In the Event Management window, you can create and register event sets, modify or cancel registrations, view the status of services being monitored, view summary information about events that have occurred, and further manage event information.

You can choose to have the events of interest represented graphically on the console when they are detected. The system can also notify you through e-mail or page. See Chapter 3, Job and Event Systems for more information on the Event Management System.

Using the Console

You can customize the Console to suit both your preferences and DBA tasks you perform. The individual windows in the Console can be minimized, resized, and relocated. The windows can be sized by selecting and dragging the splitter bar between the windows.

Each window in the Console provides a different view of the system and the tasks being performed.

Logging in

When you start Enterprise Manager, you are prompted for a username, password and service name. By supplying this authentication information, you log in to the Repository and are identified by the Console and its communication daemon.

Whenever you submit a job or register an event set, it is marked as belonging to you. Any messages regarding the job or event are sent only to you.

For example, you could start up a Console on your office PC, log in to a Repository, submit a backup database job to be executed that night, and log out. The next day you can run the Console on your home PC. The agent that performed the backup job will then deliver messages related to the backup job to the new Console and daemon. The agent can also notify multiple administrators of an event's occurrence by email or electronic paging.

Performing Simple Single Tasks in the Navigator

The Navigator simplifies ad-hoc administration. For example, if you want to grant a privilege to a single user, you can click the right-mouse button on that user in the Navigator tree and choose Quick Edit from the context-sensitive menu. The Quick Edit User property sheet is displayed, allowing you to easily add the privilege.

The Navigator makes it easy to perform simple, single tasks. However, for more complicated, composite tasks, you would want to use one of the integrated DBA applications. For example, if you want to assign a set of privileges to several users, you would use Security Manager, one of the DBA applications integrated into Enterprise Manager.

Customizing your View in the Navigator

Although the Navigator can be used to display all the objects being managed, you may not want to view the entire system in one Navigator tree if your system is a large and complex environment. Consequently, the Navigator can be divided into smaller tree lists. These subtrees can be displayed in separate windows. The objects in the Navigator can also be filtered so you can control which objects are displayed.

Checking the Status of an Item

Graphical cues (status indicators) are used to show the state of an object in the Navigator tree. For example, the status of a database is depicted graphically by a green or red signal light icon. You can determine at a glance the states of items in the Navigator tree as they change dynamically.

Creating User-Defined Groups

A user-defined group is a collection of nodes or services of the same type. You may want to group services based on organization, geographic location or function. For example, you might create a group of databases called CAL_MAIL that contains the mail databases in California.

Because nodes and services can belong to more than one group, a group can also contain other groups of the same type. For example, the group CAL_MAIL might belong to the group US_MAIL, which is a group of all the mail databases in the US.

Groups may be placed on maps. If you double-click a group icon, it expands to reveal its members and sub-groups. The state of a group is also depicted graphically on a map. Groups inherit the worst state of a member. For example, if one service in a group is down, that state is shown on the map.

Grouping nodes or services simplifies tasks that are applied to all members of the group. For example, in order to back up all the databases in the CAL_MAIL group, you only need to schedule the backup job once with the group as the destination. The backup will be scheduled on all the relevant databases.

Creating Maps

You create maps by simply dragging and dropping objects from the Navigator into the Map window. Any number of maps can be created, then saved or edited.

A map can also be used to perform DBA tasks. For example, you can double-click on an object to call up its property sheet. You can also select items from the map and launch one of the integrated application to administer them.

Using the Job Scheduling Window and Event Management Window

See Chapter 3, Job and Event Systems for more information on the Job Scheduling System and the Event Management System.

Integrating Applications into the Console

The Console application is written in Microsoft's Visual C++ and uses OLE2 technology to allow applications to integrate or plug in into the Console. Integrated applications also use the common services provided by the Enterprise Manager platform.

Besides the standard suite of integrated applications that Oracle Corporation provides with Enterprise Manager, third-party developers have developed integrated applications using the Enterprise Manager application programmatic interfaces (APIs). For more information on integrating third-party applications into the Console, see the Oracle Enterprise Manager Application Developer's Guide.


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