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Abstract
This IBM Redbook will provide AIX system administrators with the key information they need to know in order to make a safe migration to AIX 5L. It covers the steps that are required when planning, preparing, and actually migrating a system to the latest available level of AIX (currently AIX 5L Version 5.2) from AIX Version 4.3.
Before discussing the actual migration steps, we first point out the latest enhancements and new functions that have been delivered with AIX 5L Version 5.1 and Version 5.2 and why we recommend that you upgrade your system.
We then explain how to plan, prepare, and perform the migration, focusing on providing hints, tips, and sources of additional information. We will explain detailed step-by-step actual migration by media and Network Installation Management (NIM).
This redbook also covers post-migration issues, including NIM master and alternate disk migration specific tasks. Lastly, we will summarize major applications issues when you migrate your system from AIX Version 4.3 to AIX 5L.
This redbook will help you design your solution to migrate your AIX system to the latest available version of AIX.
Table of contents
Chapter 1. Enhancements in AIX 5L Version 5.1
Chapter 2. Enhancements in AIX 5L Version 5.2
Chapter 3. Seven reasons to migrate
Chapter 4. Planning and preparation
Chapter 5. Migration by media
Chapter 6. Migration by NIM
Chapter 7. Post migration tasks
Chapter 8. Applications
Appendix A. Hardware and fileset support with AIX 5L
Appendix B. Sample output of the snap command