Hi Merritt,
If LPAR1 (our production) is not capped but LPAR 2 (development) is
active (assume the weight=20% or 200 mips, it only utilize 100 mips at
night), Can LPAR1 utilize 900 mips at night ???


2010/2/10 Hal Merritt <hmerr...@jackhenry.com>:
> LPAR1 is not capped. It can take 100% of the CPU if LPAR 2 is idle and it 
> needs it. If LPAR 2 is active, then LPAR 1 can take up to 80% and LPAR 2 20%. 
>  If LPAR 1 is idle, then LPAR 2 can take up to the hard cap value.
>
> You did not mention the capping value for LPAR2. If, for example, you have 
> hard capped LPAR 2 at, say, 150 mips, then it can never take more than that. 
> So, LPAR 1 could take 85% and LPAR 2 15% if both are competing for the CPU.
>
> I assume you really meant to say MSU's instead of MIPS. MIPS is not a valid 
> metric in this context.
>
> Hard cap, soft cap, and weights are all different controls, but all three 
> need be considered to manage your machine.
>
> HTH and good luck.
>
>
>
>
>
> -----Original Message-----
> From: IBM Mainframe Discussion List [mailto:ibm-m...@bama.ua.edu] On Behalf 
> Of Tommy Tsui
> Sent: Wednesday, February 10, 2010 8:59 AM
> To: IBM-MAIN@bama.ua.edu
> Subject: cpu capping question
>
> Hi all,
> I have following question on CPU hard capping
> LPAR1  initial capping=No   CPU weight 80  = 800mips
> LPAR2  initial capping=Yes CPU weight 20  = 200mips
> assume CPU has 1000mips
>
> my question is, for LPAR2 the maximum CPU utilization is 200 mips with
> hard capping but how about LPAR1? the maximum CPU utilization is
> 800mips or more than 800mips with initial capping=no?
> I knew that soft capping is more suitable for this case with defined
> capacity & weight.
>
> any help will be appreciated
>
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