Database Reference
In-Depth Information
Chapter 4
Interacting with the EM12c Console
by Niall Litchfield
Oracle Enterprise Manager is a product of many capabilities, but this topic focuses on technology management and
administration. To that end, Enterprise Manager must make administration and management tasks simpler, more
consistent, and faster than the task would be when just utilizing the raw capabilities of the underlying technology. This
chapter will help you achieve this by introducing you to Enterprise Manager's main user interface, the web console.
This chapter consists, therefore, of the following components:
•
A brief history of the limitations of previous releases
•
An overview of how EM12c addresses those limitations
•
A review of the menu structures that you will use to navigate the console
•
A brief discussion of the customization facilities supplied with the product
Along the way, you will learn how to configure Enterprise Manager to interact effectively with Oracle's support
portal, My Oracle Support. You will also learn how to configure notifications and control the use of additional cost
management packs, and will become familiar with the console as your administration home.
A Brief History of EM
Oracle Enterprise Manager started life in July 2002 as Java-based client application for managing Oracle Database 9.2.
With the release of Oracle Database 10g, this application was reimagined as a web-based management interface,
largely focused on the database, but with the ability to manage Oracle databases that spanned multiple physical
hosts—the g in 10g stood for
grid
and the database-centric management product was to become known as Enterprise
Manager Grid Control. Grid Control provided database administration staff with three key features that were a
significant advantage in managing clustered environments, and in managing a variety of databases across an
enterprise. These were as follows:
•
An administrator could manage distributed environments as one rather than as a collection
of targets.
•
The state of the whole Oracle database estate could be seen in a single screen.
•
It introduced the ability to manage target types other than just the Oracle Database, especially
to the growing Oracle Application Server market.
These advantages significantly improved the life of an administrator compared with the previous fragmented,
host-based management that tended to dominate the database world at the time. There was, of course, one other
advantage that made Enterprise Manager Grid Control attractive to organizations running Oracle its implementation
required (and still requires) no additional license cost.
