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From: Bruno F. <br...@io...> - 2008-11-05 15:23:44
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John Drescher wrote:
>> tape compression was on
>>
>
> I would repeat these tests with the raid device as a source instead of
> /dev/zero. The reason is that /dev/zero will compress so well on a
> tape drive that you really are not writing much to the tape.
>
> John
>
Otherwise create a big file in /dev/shm ( depend how much ram you have )
If you have 4Go or more with /dev/urandom as source.
( Could not be used directly because it have not a high ouput rates )
then you could use the random file directly from memory
--
Bruno Friedmann
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