On Jan 27, 4:48 pm, [email protected] (Staller, Allan) wrote: 

> It seems to me that ordinary LPAR weights will do the trick. They will 
> allow excess capacity to be used by any/all LPARs, but enforce a max 
> proportional to the LPAR weight when the CEC reaches full utilization. 
> Set the weights proportionally and you should be good to go. 


They won't do the trick. 
Only with GCL can the Prod LPAR use Test resources (when the Test LPAR 
is idle) and have both LPARs be charged at the combined group rate 
only. 

Remember that both LPARs could have a maximum 4 hour/rolling avg equal 
to its total MSUs. 
P = 100 MSUs 
T = 50 MSUs 
Total = 150 MSUs 


In the course of a month, T could reach its maximum rolling avg of 50 
MSUs on a different day to P. 
On a different day P could use 30 additional spare MSUs from T thus 
totalling 130 MSUs plus the 50 from T. 


Without GCL, the total bill would be 130 + 50 MSUs = 180 MSUs 
With GCL the total bill is fixed to the group maximum of 150 MSUs 

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