If I were going to create such a creature, I'd format a 100-cyl minidisk, 
recomp it to 50 cyls, then ddr it to a 50-cyl mdisk, or change the 
directory allocation of the existing one to 50 cyls.  Really easy.

The IBM z/VM Operating System <[email protected]> wrote on 
02/19/2009 02:15:42 PM:

> But q v dasd shows 50 cyl .. it has nothing to do with recomp..
> I am messing around and can't get the same results.. 
> I define a 50 cyl mdisk and 'format 100 q 50 (recomp' it does the 
> format and recomp to 50 cyl which equals no recomp..
> 
> You got my curiosity going that is all. 
>

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