Subj : Measuring tranfer performance of controller card
To   : alt.comp.linux,alt.comp.os.linux,comp.os.linux
From : news.tele.dk
Date : Sun Dec 12 2004 04:07 pm

Hi,

How do I measure the tranfer performance of a harddisk controller card ?

More specific how do bypass the caching.

When doing dd if=/dev/sda of=/dev/null .... and hdparm -tT test's it seems 
that I hit the kernels caching mechanisms.

best regards
Carsten

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