Hello list,

within the Try&buy agreement with IBM, we temporarily enhanced our z890 from
capacity setting 230 to 470.  Needless to say that everybody within our 
organization and the
customers, too, were impressed by the improved response time. 
But time has come to get back to our original model, and I'm looking for a way 
to make this
move as smoothly as possible. I'm thinking to gradually capping the CPs of our 
PROD LPAR,
but I'm not sure whether a SOFT capping of HARD capping might help. 
>From what I understood by RTFM, SOFT capping does not prevent the  CPC to 
>exceed the defined capacity.
On the other hand, HARD capping would require a IPL, since  the LPAR's profile 
needs to  be updated
and a deactivate/activate is needed. I'd avoid this, if possible.

Anyone faced this already in the past and found out how to go back to a slower 
CPC in a less drastic way?

Walter Marguccio
z/OS Systems Programmer
Munich - Germany

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