[wellylug] Configuring HD

[Klenner, Colin]

Does this impact SCSI on PCI cards?

-----Original Message-----
From: sljudd at paradise.net.nz [mailto:sljudd at paradise.net.nz]
Sent: Wednesday, 5 February 2003 10:56 
To: wellylug at yahoogroups.com
Subject: Re: [wellylug] Configuring HD


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

> 
> Ok done 
> Thanks a lot.
> Got 28 and 25 Mb/s repectively on each disk.
> Great

Pleased to hear it.

Actually, other folks who haven't played with hdparm might be interested
too.

My HD, for example, was producing just over 3 Mb/s throughput on write. 
Tweaking with hdparm has produced a 10-fold improvement. I'd never really 
bothered before, and was shocked at the increase possible.

It seems that basically Linux' IDE drivers assume a lowest common
denominator 
in performance, unless you (with hdparm and kernel parameters) tell it how
to 
take advantage of DMA etc.

Stephen


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