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I am an Oracle database Consultant My Areas of Interests being High availabilty,Infrastructure consulting and Performance Tuning. I am posting Topics of My interests Related to these Technology Areas. Do post Your comments as well.

Thursday 15 February 2007

Oracle Application Server-OPMN

USING OPMN TO MANAGE EXTERNAL COMPONENTS

(Posted By Abby Thomas )




One of the most indispensable part of Oracle Application Server (OAS) 10g is OPMN [Oracle Process Manger and Notification] server. Its one of the best things that has happened to the OAS since its inception. OPMN is installed and configured with every Oracle Application Server installation type and is essential for running Oracle Application Server.
According to Oracle’s documentation OPMN features the following functionality:
Provides a command-line interface for process control and monitoring for single or multiple Oracle Application Server components and instances.
Provides an integrated way to manage Oracle Application Server components.
Enables management of Oracle Application Server subcomponents and sub-subcomponents.
Channels all events from different Oracle Application Server component instances to all Oracle Application Server components that can utilize them.
Solves interdependency issues between Oracle Application Server components by enabling you to start and stop components in order.
Enables customizing of enterprise functionality by using event scripts.
Enables gathering of host and Oracle Application Server process statistics and tasks.
Provides automatic restart of Oracle Application Server processes when they become unresponsive, terminate unexpectedly, or become unreachable as determined by ping and notification operations.
Provides automatic death detection of Oracle Application Server processes.
Does not depend on any other Oracle Application Server component being up and running before it can be started and used.
Did you know that OPMN has the ability to manage arbitrary daemon processes that are not part of your Oracle Application Server installation?You can even create more sophisticated process management services by supplying the opmn.xml file the optional paths to scripts for stopping, restarting, and pinging the daemon process.

If you need a more details on configuring custom processes with OPMN

Refer :http://download-east.oracle.com/docs/cd/B14099_19/core.1012/b13996/custom.htm
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