>This should not be the case.  You probably have some other problem that you 
>see manifesting itself as a big loss of capacity.  The actual loss should be 
>quite low on a z/series box, (in the area of 1% to 2% depending on a number of 
>factors).

The "loss" is quite consistent with LSPR.
Look at the figures.
The increase in capacity is on the order of 7-9% when you get up to that size 
of z.

I don't know how you are getting your 1-2%.
But, do the math:
Published figures:

z/990 2084-308: 2993 MIPS under z/OS.
z/990 2084-309: 3299 MIPS.

Difference: 306 MIPS
z/990 2084-301: 450 MIPS.

Looks like 30%+ to me.

I was not really complaining; I was just pointing out that the "loss" is quite 
a bit.
But, hardware (and software) charges are consistent with the "true" increase in 
capacity.

My concern is that, for much larger instances of z, IBM appears to have 
over-stated the capacity.
And, they have not really accounted for PR/SM at the high-end.


-
-teD

300,000 Kilometres per Second
Not only is it a good idea!
It's the LAW!!!  

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