perfect, it is clear to me the uses of dedicated disk
Thank you all for your help

Regards to all

ATTE

Victor Hugo Ochoa Avila
BBVA CCR America

2011/6/4 Rob van der Heij <rvdh...@gmail.com>

> CCW translation is to get real address for the guest real address.  The
> extent check is verified by the CU. Adding the offset of the mdisk is
> trivial (and happens even for dedicated, iirc).
> A significant diff may be MDC when the hit ratio is too small to be
> effective. You can disable that and still have benefit of disk management.
> On Jun 3, 2011 5:28 PM, <gclo...@br.ibm.com> wrote:
>



-- 
Victor Hugo Ochoa Avila
z/OS & z/VM systems programmer
Mexico, City.

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