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Hello Chris,

Am 19.08.2020 um 09:48 schrieb Christopher J. Wager | 56K Projects <cwager@xxxxxxxxxxxxxxx>:

When i look at the details of my Power5 Box's Processor information using the HMC,

it says:

Configurable: 0.43

Installed: 1.0

I am a bit confused by this if the installed is 1.0 why can only 0.43 be configured.

This depends on your already configured LPARs.

First, there's a difference between physical and logical cores assigned to an LPAR. I never cared to understand the need for logical cores.

If you CPU is assigned to a CPU pool, you can assign fractions of a Core to a VM. All the fractions of running LPARs must sum up to less-equal the available Core count.

Hint: If you tick the "uncapped" checkbox, LPARs may take more than their configured fraction, if enough CPU cycles are available. Maybe this is where logical CPUs come into play.

Does that help a bit with basic understanding?

:wq! PoC

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



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