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Navigate
the Oracle Enterprise Manager Grid Control in the Oracle 10g database
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‘Whenever I
see an erring man, I say to myself I have also erred; when I see a lustful
man I say to myself, so was I once; and in this way I feel kinship with
everyone in the world and feel that I cannot be happy without the humblest
of us being happy.’
Gandhi
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Oracle
Grid
What
is the Oracle 10g Database Grid?
Yesterday
was Internet and today is Grid. It looks like the technology finds its way to
hang on something to grow. Now, there is a committee called the Global Grid
Forum (GGF) that is developing standards for Grid computing.
The
following are some of the most important features that enable Grid computing at
the Oracle 10g Database level:
-
Automatic
Storage Management
-
Portable
Clusterware
-
High-Speed
InfiniBand Network Support
-
Real
Application Clusters and automatic workload management
-
Resource
Manager
-
Oracle
Streams
-
Centralized
Management with Enterprise Manager Grid Control
-
Oracle
Database 10g New self-management feature
-
…
What
is OEM 10g?
It
is Oracle Enterprise Manager with more new features. It can automatically alert
you to new critical patches. You can use the patch wizard to select an
interim patch and see if any of your system requires it. It is integrated with a
build-in MetaLink connection.
Navigate
the Oracle Enterprise Manager Grid Control in the Oracle 10g database
Step
#1: Find your hostname or IP
address of your server. Ex: hostname is: myserver
Step
#2: Make sure that the /etc/hosts
file contains the localhost name and server name.
For
example you should have the following two lines in your /etc/hosts.
127.0.0.1 localhost.localdomain
localhost
111.222.33.4 myserver.mydomain
myserver
Notice
that the 'myserver' name should be the same as your server name.
Step
#3: Open your browser and enter the
following URL http://myserver:7777/em and press enter key. This will initiate
Enterprise Manager Database Grid Control.
Step#4:
Enter your username and Password. Username can be SYSTEM with its
password.
Now,
you should see the Oracle EM 10g Grid Control page. By clicking on the Home,
Targets, Deployments, Alerts, Jobs, and Management System tabs, you can navigate
and monitor your databases information.
On
the Oracle 10g, one more tablespace (SYSAUX) was added. It provides a
centralized location for all auxiliary database metadata that does not reside in
the SYSTEM tablespace.
To
stop the Oracle Management Server, do the following command:
#
emctl stop oms
To
start the Oracle Management Server, do the following command:
#
emctl start oms
To
get the status of the Oracle Management Server, do the following command:
#
emctl status oms
Using
Enterprise Manager Database Control
You must have the
dbconsole process running.
To start EM
Database Contorl:
#
emctl start dbconsole
To stop it:
#
emctl stop dbconsole
To get its status:
#
emctl status dbconsole
The default port is 5500 and you can access it by
opening your Web browser and enter the following URL: http://myserver:5500/em
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