The following scenario:
two LPARs on 3 CP machine, shared CPs, both LPARs are assigned weight of
50%.
Now I issued on LPAR A:
CF CPU(2),OFFLINE
and then
CF CPU(1),OFFLINE
Question:
Machine has x MIPS. What are the limits for LPAR A and LPAR B ?
1/6 of x and 5/6 of x ?
1/2 of x and 1/2 of x ?
Unless things have changed, weights are a proportion of the (total) CEC.
With 2 engines on LPAR A, 50% can still be attained, but with a higher
apparent usage of the 2 engines as compared to having all 3 available.
With one engine, only 33% is available, so LPAR A will be effectively
(hard-)capped
Neither answer you show is correct.
The weights assigned to LPAR A and LPAR B represent each LPAR's share of
shared CPC capacity. With 3 shared CPs and LPAR A/B having equal weights,
your initial statement where each LPAR is entitled to 50% of 3 CPS (or 1.5
CPs each) is correct.
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