>I am following up on a hunch on the following:
 
>Default Device Geometry :       
>  Bytes/track . . . . . : 47476 
>  Tracks/cylinder . . . : 15    

>This is displayed in the CDS BASE DISPLAY (ISMF 8.1)

>This would indicate that the allocations is done on 3380 calculations.  

Yes. This is an artifact left over from the early days of 3390's and SMS.

I have never been a proponent of it, but a lot of shops did it.

So, you either have a political battle, or you just request 30 for every 25 
cylinders you want.
-
Too busy driving to stop for gas!

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