I am not an expert in this area, but I have been told by a number of Dedup
vendors that compressed data cannot be deduped.  YMMV, but it seems correct
to me, because small changes in the file could potentially change much of a
compressed file, depending on the compression method used.

On Sat, Nov 7, 2009 at 9:07 AM, Mehdi Salehi
<iranian.aix.support AT gmail DOT com>wrote:

> Hi,
> What is the effect of compression on de-duplication? Does it help to reach
> a
> more de-duplication level?
>
> Thanks
>



--
Andy Carlson
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