Yes , it is the question of the communication with Linux and NT people.
I wanted to explain to my collegues , why the 0.5 % constant CPU usage for
an idle server is a matter in a large z/OS system.
An argument would be, if I could say: in a week it is "nearly" an hour,
and an hour CPU in a large system is about ... $ or ... Euro.
A much bigger question is whether the Linux and NT people have the ability
to sustain 100% utilization and still meet performance objectives.
Until that point is understood, maximizing the usage of z/series will be
completely foreign to them.
One other point to consider, is that the argument you're making about how
"expensive" 0.5% utilization is, will actually backfire since it creates the
impression that the mainframe is unnecessarily expensive.
This also presumes that the Linux/NT people have an understanding about what
constitutes 0.5% usage on a z/series versus their respective platforms.
Adam
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