[wellylug] Configuring HD

[sljudd at paradise.net.nz]

Quoting Edouard Chalaron <e.chalaron at paradise.net.nz>:

> Hi all
> 
> Simple question : 
> the IO_support below shows a 32 bit ON.
> It has been suggested to me to turn it to 16 bit for better
> performances.
> 
> I am a "bit" confused about that. I thought that 32 bit would be
> faster.

I don't know about the theory of that, but you can test this empirically.

Boot up into single user mode, and follow the instructions here:

http://linux.oreillynet.com/lpt/a/272

Then you can see which settings provide you with the best performance.

Usual caveats - make sure you have important data backed up before you shag 
about with hdparm.

Stephen

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