i on Blade – Number of CPUs licensed

I noticed something interesting when installing the IBM license key on the JS12 blade running IBM i V6R1. I received Message CPF9E2D when trying to install one of the 5761-SS1 license key. Turns out this one controls the number of cores licensed in the machine.

Luckily, this was easy to remedy. Just access IVM and remove one of the cores assigned to the LPAR running IBM i.

IBM licenses it Software based on numbers of Core, not number of Sockets like most other vendors do. This is important to note, because i though the message was wrong as the blade only has a single CPU.

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