Subject: Re: Request HW Compatibility Ultra 10 and new HD
To: None <>
From: Sean Davis <>
List: port-sparc64
Date: 05/23/2006 02:56:14
On Mon, May 22, 2006 at 03:18:13PM +0000, Bruce O'Neel wrote:
> Hi,
> I'll second the idea that random ide disks work just fine, at least
> as slaves.
> People keep pushing SCSI disks in Ultra 5 and 10s, but, are they
> really faster?  My ultra 10 with some random (and I do mean random)
> cheap ide disk is faster doing disk i/o then almost anything else I
> have at home and competitive with the faster (cpu wise) ultra 2 with
> very fast scsi disks.  Would it be all that much faster if I had 
> scsi disks then?
> thanks
> cheers
> bruce

My Ultra 5/333mhz with an OFW Adaptec 2940-UW running a Seagate Cheetah
Ultra2 drive is much, much faster than an Ultra5/360mhz with IDE. I tested
both of them with the same kernel and OS version, and noticed a pronounced
difference in favor of the SCSI setup.