Here is a list of IBM Redbooks that I have found useful for my day to day operations. Enjoy
Hardware Management Console V7 Handbook
AIX 5L Practical Performance Tools and Tuning Guide
IBM System p Advanced POWER Virtualization (PowerVM) Best Practices
NIM from A to Z in AIX 5L
IBM PowerVM Live Partition Mobility
Hope they help you like they have helped me



Looking for a script to automate and report folder backup