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Chapter 2. Planning Your Order for Upgrading or Data
Migration
Review this chapter as you identify a solution and again after a decision is made
to verify the accuracy and completeness of the order.
Determining Your Upgrade Needs
To help determine the upgrade needs, please consider the following:
v What problems does this upgrade need to address?
v What additional applications or growth do you expect or plan for in the future?
v What new technology do you want as part of the upgrade?
v What are the requirements are for the following:
– Capacity
– Capability
– Performance
– Availability
v What are your expectations for the following:
– Impact on business operations
– Cost
– Performance
v What are the financial considerations to keep in mind? For example:
– Government discounts
– Capital planning cycles
– Tax implications
– Budget
Performance Tools for Capacity Planning and Performance
Analysis
The Performance Capabilities Reference provides information on iSeries
performance, capacity planning, and tips to obtain best performance. You can view
or print the PDF version of this reference at the following Web site:
http://www.ibm.com/servers/eserver/iseries/perfmgmt/resource.htm
The licensed program Performance Tools/400 (Program 57xx-PT1) and QSIZE400
on the AS/400 configurator can be used for capacity planning and performance
analysis.
The BEST**/1 Capacity Planning function of the Performance Tools licensed
program provides the capability to analyze how a different AS/400 configuration
will perform with your current work load. The program temporary fixes (PTFs) are
now available that include capacity planning information for the PowerPC
processor models of the system. You can use Performance Tools to help you
determine the proper configuration of the processor main storage, and disk
resources that will meet your performance requirements.
© Copyright IBM Corp. 1997, 2000 7
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