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Date:      Thu, 11 Dec 1997 22:08:09 +0100 (MET)
From:      Wilko Bulte <wilko@yedi.iaf.nl>
To:        tom@sdf.com (Tom)
Cc:        walcaraz@indy3.gstone.com, freebsd-scsi@FreeBSD.ORG
Subject:   Re: RAID on FreeBSD
Message-ID:  <199712112108.WAA09859@yedi.iaf.nl>
In-Reply-To: <Pine.BSF.3.95q.971211104252.11383F-100000@misery.sdf.com> from "Tom" at Dec 11, 97 10:45:43 am

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As Tom wrote...
> 
> On Thu, 11 Dec 1997, Walter .S. Alcaraz wrote:
> 
> > I plan on purchasing FreeBSD 2.2.5 and installing it on a Pentium 200 or
> > Pentium II 233 with 32 MB RAM.  I want to run it as an NFS server with 32 GB
> > storage and a 100-mbit Fast Ethernet card, running with a RAID Ultra-Wide SCSI
> > controller.  The setup I want to use is 9  4 GB Ultra-Wide SCSI drives, with a
> > RAID controller doing RAID level 5.  My question is, which RAID SCSI controller
> > does FreeBSD support and what one works the best?
> 
>   The DPT PM334UW works well, but you need to install the driver yourself.
> This card supports up to 64MB cache, and you can add additional channels
> to it via a daughtercard (up to 3 UW channels in total).  You will
> probably want at least two channels.
> 
>   9 drives in an uncomfortable number for RAID5.  Probably better to go

Why would 9 drives be uncomfartable?

> with 10 drives instead, and make two 5 drive arrays.
> 
> Tom
_     ______________________________________________________________________
 |   / o / /  _  Bulte email: wilko @ yedi.iaf.nl http://www.tcja.nl/~wilko
 |/|/ / / /( (_) Arnhem, The Netherlands - Do, or do not. There is no 'try'
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