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Date:      Sat, 24 Apr 1999 15:01:15 +0930
From:      Greg Lehey <grog@lemis.com>
To:        yossman <yossman@nonline.net>
Cc:        freebsd-questions@FreeBSD.ORG
Subject:   Re: DPT RAID - supported?
Message-ID:  <19990424150114.Q97757@freebie.lemis.com>
In-Reply-To: <Pine.BSF.4.05.9904231624380.16009-100000@yoss.nonline.net>; from yossman on Fri, Apr 23, 1999 at 05:16:46PM -0400
References:  <Pine.BSF.4.05.9904231624380.16009-100000@yoss.nonline.net>

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On Friday, 23 April 1999 at 17:16:46 -0400, yossman wrote:
>
> i'm looking into getting a DPT RAID SCSI controller for one of my busier
> FreeBSD machines, but unfortunately DPT tech support (www.dpt.com) can't
> tell me for sure whether their cards will work with FreeBSD or not.  

Shame on them.

> i've heard reports of people using their RAID IV series with FreeBSD
> (for hardware-level RAID support), but i have no specifics to go on
> and i'm not willing to do the upgrade until i know it will work. ;)
> i've tried to contact the driver author for DPT cards myself, but i
> haven't gotten an answer back yet and the need for the upgrade
> continues to grow on a daily basis.
>
> does FreeBSD3.1.0R support the DPT RAID IV cards?

Yes.

> can anyone confirm/deny real production use of these cards?

I know a lot of people are using them, but I don't keep records.
Maybe somebody else will reply.

> i took a look at the handbook's idea of what is supported by FreeBSD
> and what is not, but it doesn't look like that list is at all
> comprehensive, or if it's even been updated lately. ;( if DPT RAID
> might not be the way to go, can someone suggest an alternative
> hardware-level RAID SCSI card system that they know does work with
> FreeBSD?  what i'm after is something seamless, so FreeBSD sees only
> one drive which is actually mirrored across additional drives, that
> FreeBSD doesn't have to know about (shouldn't know about, even).

Currently DPT is the only game in town, and only the III and IV
models.  Software for the V is under development, but it's not ready
yet.

Greg
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