DREF Storage is still pageable except that the system resolves page faults 
synchronously.  

There are some caveats, like when a page fault occurs and there is no suitable 
frame available. 

-ArtC

At 04:45 PM 2/21/2012, Micheal Butz wrote:
 
>Hi,
>
> 
>
>Would any know the difference between (disabled reference storage) DREF e.g.
>subpool 215 and Page fixed storage e.g. subpool 223
>
> From what I understand DREF means the program is running disable for
>interrupts and thus no pagIing should occur so the doc say use DREF storage
>
>While fixed storage means storage is fixed and the same thing applies no
>paging should occur
>
> 
>
> 
>
>thanks   



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