Really? I did not hear this. 
If the reason for the 25/30% rule has gone, what is the new
recommendation from ASM's point of view? Can we now size on 50%
utilization without performance penalties? 
This is indeed crucial information we need. However, the paging
configuration only consumes a small amount of these days Dasd storage.

Kees.


-----Original Message-----
From: IBM Mainframe Discussion List [mailto:[email protected]] On
Behalf Of Mike Schwab
Sent: Friday, November 09, 2012 18:01
To: [email protected]
Subject: Re: Paging configuration recommandation on modern Dasd.

About z/OS 1.4, the 10 contigous slots algorythm was dropped and it uses
individual slots.  No change in the page allocation was made and about 6
months ago we asked for testing results from IBM for various percent
used effects on paging.  No reponses yet.

On Fri, Nov 9, 2012 at 8:21 AM, Barry Merrill <[email protected]> wrote:
<deleted>
> Then compare your values with the 25% to 33% recommended peak 
> utilization for the contiguous slot allocation algorithm to find free 
> slots.
>
> Barry Merrill

--
Mike A Schwab, Springfield IL USA
Where do Forest Rangers go to get away from it all?

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