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Date:      Mon, 26 Aug 1996 18:58:09 -0400 (EDT)
From:      eric@ms.uky.edu
To:        Terry Lambert <terry@lambert.org>
Cc:        freebsd-fs@freebsd.org, current@freebsd.org
Subject:   Re: The VIVA file system (fwd)
Message-ID:   <9608261858.aa24476@t2.t2.mscf.uky.edu>
In-Reply-To: <199608262155.OAA23328@phaeton.artisoft.com> from "Terry Lambert" at Aug 26, 96 02:55:12 pm

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> I know that I saw the paper at least two years and 5 months ago, if not
> before that -- I *think* I saw it the week it came out; there was a
> presentation by one of the grad students involved to the USL FS gurus:
> Art Sabsevitch, Wen Ling Lu, etc., of the code on SVR4.
> 

I was the sole implementor of all versions of Viva.  No other grad 
students were involved at the time...

> 
> > For all the discussion below, you must remember that the platforms for
> > Viva were 1) AT&T SysV, and 2) BSDI's BSD/386.    We abandoned SysV
> > because I wanted to release the code, then came the AT&T lawsuit:-(
> 
> I saw the code on #1.  That's part of what made me skeptical; the
> SVR4 FFS implementation was intentionally (IMO) crippled on a lot
> of defaults and tunables so they could make the claims they did
> about VXFS.  The VXFS code was the shining golden baby.  Never mind
> that it was itself FFS derived (for example, it used SVR4 UFS directory
> management code without modification).  Any comparison against SVR4
> UFS as it was will be incredibly biased, even if the bias was not
> an intentional result of the testing conditions, because the UFS
> code came pre-biased.  8-(.

Are you talking about VIFS or VXFS?   I seem to remember that
VXFS was the Veritas File System.   Veritas had nothing to do 
with Viva.  Perhaps you are confusing the two.

Eric




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