From owner-freebsd-fs Mon Aug 26 16:03:14 1996 Return-Path: owner-fs Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id QAA22641 for fs-outgoing; Mon, 26 Aug 1996 16:03:14 -0700 (PDT) Received: from UKCC.uky.edu (ukcc.uky.edu [128.163.1.170]) by freefall.freebsd.org (8.7.5/8.7.3) with SMTP id QAA22634; Mon, 26 Aug 1996 16:03:11 -0700 (PDT) Received: from t2.mscf.uky.edu by UKCC.uky.edu (IBM VM SMTP V2R3) with TCP; Mon, 26 Aug 96 19:01:03 EDT Received: from t1.mscf.uky.edu by t2.ms.uky.edu id aa24476; 26 Aug 96 18:58 EDT From: eric@ms.uky.edu Subject: Re: The VIVA file system (fwd) To: Terry Lambert Date: Mon, 26 Aug 1996 18:58:09 -0400 (EDT) Cc: freebsd-fs@freebsd.org, current@freebsd.org In-Reply-To: <199608262155.OAA23328@phaeton.artisoft.com> from "Terry Lambert" at Aug 26, 96 02:55:12 pm X-Mailer: ELM [version 2.4 PL23] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Message-ID: <9608261858.aa24476@t2.t2.mscf.uky.edu> Sender: owner-fs@freebsd.org X-Loop: FreeBSD.org Precedence: bulk > 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