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Date:      Sat, 25 Apr 1998 18:31:20 +0200
From:      Eivind Eklund <eivind@yes.no>
To:        Hans Huebner <hans@artcom.de>, freebsd-hackers@FreeBSD.ORG
Subject:   Re: FreeBSD HA configuration / Ethernet address takeover
Message-ID:  <19980425183120.29137@follo.net>
In-Reply-To: <Pine.BSF.3.96.980425145610.11665A-100000@transrapid.artcom.de>; from Hans Huebner on Sat, Apr 25, 1998 at 03:11:21PM %2B0200
References:  <Pine.BSF.3.96.980425145610.11665A-100000@transrapid.artcom.de>

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On Sat, Apr 25, 1998 at 03:11:21PM +0200, Hans Huebner wrote:
> Any pointers, hints or suggestions are greatly appreciated.  I'd also be
> interested in any reports on running two FreeBSD systems on one shared
> SCSI bus.  I suppose the disk driver would need to be changed quite a bit
> to make use of the RESERVE UNIT SCSI command to prevent access collisions.

Simon Shapiro <shimon@simon-shapiro.org> has written code to do this
for the DPT, specifically to enable FreeBSD to do HA.

I've got the code here for commit, but need to do some re-writes for
the splXX() use (at the suggestion of Bruce).

Now it looks like I won't get time for it this weekend, either; I have
to help fix up somebody else's botch at work :-(

Eivind.

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