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List:       linux-kernel
Subject:    Re: Single P4, many IDE PCI cards == trouble??
From:       Nick Urbanik <nicku () vtc ! edu ! hk>
Date:       2003-08-31 23:41:48
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Dear Folks,

Hans-Peter Jansen wrote:

> Hi Nick,
>
> On Friday 29 August 2003 16:00, Nick Urbanik wrote:
> >
> > Performance is a relatively minor issue compared with stability and
> > low cost.
> >
> > Is there _anyone_ who is using a number of ATA133 IDE disks (>=6),
> > each on its own IDE channel, on a number of PCI IDE cards, and
> > doing so successfully and reliably?  I begin to suspect not!  If
> > so, please tell us what motherboard, IDE cards you are using.  I
> > used to imagine that a terabyte of RAID storage on one P4 machine
> > with ordinary cheap IDE cards with software RAID would be feasible.
> >  I believe it is not (although I cannot afford to play musical
> > motherboards).
>
> It is. I'm running several pretty stable systems with IDE SW RAID 5
> on top of Promise TX2/100 (~30 Eur) controllers.

Is that the PDC20270 chipset?  What motherboard are you using (i.e., I guess
you are using two IDE channels on the motherboard, so what chipset are you
using there)?  What kernel?  Are you using ide-scsi at the same time?  A DVD
player?  If so, how have you connected them?  What is the biggest number of
hard disks you are using?  What size?

I would like to try this out myself.  Thank you---this is the first success
story I have heard!

--
Nick Urbanik   RHCE                               nicku(at)vtc.edu.hk
Dept. of Information & Communications Technology
Hong Kong Institute of Vocational Education (Tsing Yi)
Tel:   (852) 2436 8576, (852) 2436 8713          Fax: (852) 2436 8526
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