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Chapter 1. Introduction to Administration

As the administrator of your organization's computing applications, you are responsible for setting up and running a system that is critical to your corporate mission. You must plan how to maximize the performance and reliability of your new BEA TUXEDO system, and then make it happen.

This chapter discusses the following topics:

The Administrator's Job

You are the person responsible for configuring and booting an application and then keeping it running smoothly. Your job can be viewed in two phases:

The remainder of this chapter lists the specific tasks you need to do during each phase.

The Groundwork Phase

During this phase, you must do the following tasks.

:

Plan Collect information from the application designers, the programmers, and the business that will use the application. Use this information to configure your system.
Install Set up your environment (including hardware and software), and install the BEA TUXEDO system and the application.
Configure Your system Set the parameters provided by the BEA TUXEDO system that govern how the components of your application will be used.
Transactions Add transactions functionality to your definitions of domains, machines, groups, interfaces, services, and any other required components of your application.
Implement Security Select and implement one or more methods provided by the BEA TUXEDO system for protecting your application and data.

Depending on your application, you may also need to set up the following:

:

Distributed applications Create distributed applications with the routing tools: data-dependent routing in BEA TUXEDO applications.
Networked applications Set up any networked applications.
Domains Configure local and remote domains that will interact, and a routing table for each.
Workstation clients To support BEA TUXEDO workstation clients, set required environment variables, configure a workstation listener, and modify the machine configuration.
Queued messages Create an application queue space and modify the configuration file to support queued messages.

Note: This guide provides instructions for all the tasks shown in this table, except installation. For installation instructions, see BEA TUXEDO Installation Guide.

The Operational Phase

During this phase, you must do the following tasks.

Start up Boot your application.
Monitor Log the activities, problems, and performance of your application and analyze the results regularly.
Troubleshoot Identify and resolve problems as they occur.

Depending on your application, you may also have to do the following:

Tune Use techniques such as load balancing and prioritizing to maximize the performance of your application.
Migrate Reassign primary responsibility for your application from your original MASTER machine to an alternate (BACKUP) machine when problems occur on the MASTER.
Dynamically modify Change system parameters and the menu of services offered, when necessary, to meet the evolving needs of your customers.
Dynamically reconfigure Redefine your application to reflect the addition of a component, such as a new machine or server.

Roadmap for Your Responsibilities

At the beginning of this chapter, we summarized your job responsibilities in two phases. For software descriptions and procedures that help you perform your work, refer to the appropriate documentation, as follows:

If you are administering a BEA TUXEDO system, the following chapters are very important:

Planning Your Configuration

As an administrator, you need to work with your system designers and application designers to understand how the administrative configuration of your application can support the requirements for it. In addition, you need to know the requirements of your customer: the business unit using the new software.

Before you can start configuring your system, you need answers to questions about the design of your application and about the server applications developed from that design, as defined in the following section.

Questions About the Design

The following questions may help you start the planning process:

How many machines will be used?

Will client applications reside on machines that are remote from the server applications?

Which services will your BEA TUXEDO application offer?

What resource managers will the application use and where will they be located?

What "open" strings will the resource managers need?

What setup information will be needed for an RDBMS?

Will transactions be distributed?

What buffer types will be used?

Will data be distributed across machines?

To which external domains will the application export services? From which external domains will the application import services?

Will data-dependent routing be used?

What are the reliability requirements? Will redundant listener and handler ports be needed? Will replicated server applications be needed?

Questions About Server Applications

The following questions may help you focus on the issues related to your server application that need to be resolved in your plan:

What are the names of the BEA TUXEDO services?

Are there any conversational services?

What resource managers do they access?

What buffer types do they use?

As you start putting together a configuration plan, you will discover more questions to which you need answers.



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