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  3. July 2020

Re: IOPless machines and multiple CPUs

Hello Roberto,

Am 26.07.2020 um 19:01 schrieb Roberto José Etcheverry Romero <yggdrasil.raiker@xxxxxxxxx>:

Configuring an LPAR with more cores than licensed ends up with a message saying that you are over entitlement but it still uses those cores.

Huh! I truly did *not* expect that!

One of the reasons I don't understand i hosting i is the economics of the exercise. It is a lot more expensive to use IBM i to virtualize storage/network than the almost free VIOS. On a big machine you might need more than 2 entire cores for IO and that gets expensive quickly.

Hm. One reason might be to not get VIOS virtualization overhead of I/O? As far as I know, VIOS allows you to use IBM i on top of stock normal 512 Byte blocked disks. Running i directly in an LPAR on the hardware does not, however, and you need the special 522 Byte ones.

:wq! PoC

PGP-Key: DDD3 4ABF 6413 38DE - https://www.pocnet.net/poc-key.asc


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