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  3. July 2020

Re: IOPless machines and multiple CPUs

well. erm… VIOS (which runs on the cores not assigned to i)
-h

Am 26.07.2020 um 17:39 schrieb Patrik Schindler <poc@xxxxxxxxxx>:

Hello,

imagine a newer POWER machine with, say, four CPUs. IBM i is licensed to one CPU, so I guess when you give the LPAR more than one, it won't be used for running "normal" code. Right?

Does anybody know (and provide evidence) if a second assigned CPU will be used as "helper CPU" for I/O? Not exactly an IOP, since this involves drivers and other stuff. My thinking stems from the z-world where processors can be freely configured to specialized tasks (I/O, running Linux, running Java, …). The number of CPUs often influences licensing cost, which probably was one of the reasons to invent this feature in the first place.


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