Hi Matthew - in the above scenario you would need to purchase a 12 CPU socket license.  Bob Lonadier
I would like to know how is caclulated the number of license needed in this case : IBM power server with 12 CPU. There is 26 logical partitions and 56 Virtual CPU allocated for those 26 partitions. How much license i must have? 12, 26 or 56?
Powerpath AIX licensing