No there isn't, This is a complex area to get right so you need to make sure that you have a full understanding of what SAP requires and what they support. Then map that to AIX for implementation under HA.
There is quite an old rebook that has some useful advice in it here:
IBM Redbooks | A Holistic Approach to a Reliable Infrastructure for SAP R/3 on AIX that can be taken as general.
However if you are uptodate and using ERS (Enqueue Replication Server) as part of the environment, you need to be very careful on where you place various components.
Talk to your SAP people early and often to ensure that they can help you go through the myriad of ever changing SAP documentation. This is also why there isn't a single step by step guide as it is ever changing.
