From owner-freebsd-stable Wed May 29 1:43:46 2002 Delivered-To: freebsd-stable@freebsd.org Received: from empty1.ekahuna.com (empty1.ekahuna.com [198.144.200.196]) by hub.freebsd.org (Postfix) with ESMTP id 4CEBA37B400 for ; Wed, 29 May 2002 01:43:41 -0700 (PDT) Received: from pc-02 (pc02.ekahuna.com [198.144.200.197]) by empty1.ekahuna.com (Post.Office MTA v3.5.3 release 223 ID# 0-0U10L2S100V35) with ESMTP id com for ; Wed, 29 May 2002 01:43:40 -0700 From: "Philip J. Koenig" Organization: The Electric Kahuna Organization To: stable@FreeBSD.ORG Date: Wed, 29 May 2002 01:43:42 -0700 MIME-Version: 1.0 Content-type: text/plain; charset=US-ASCII Content-transfer-encoding: 7BIT Subject: RE: Hardware RAID vs vinum Reply-To: pjklist@ekahuna.com In-reply-to: X-mailer: Pegasus Mail for Win32 (v3.12c) Message-ID: <20020529084340715.AAA489@empty1.ekahuna.com@pc02.ekahuna.com> Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG > Date: Tue, 28 May 2002 18:59:26 -0600 > From: "Long, Scott" > > > On Tuesday, 28 May 2002 at 13:04:19 -0700, Doug White wrote: > > > On Tue, 28 May 2002, Greg 'groggy' Lehey wrote: > > > > > >> This can only happen if there's something very wrong with > > the software > > >> RAID-5, either the implementation or the configuration. One thing > > >> that springs to mind is too small a stripe size. There's > > a myth going > > >> around that this improves performance, when in fact it seriously > > >> degrades it. [...] > Greg, the companies that make RAID hardware are not filled with a > bunch of idiots. > > Scott Speaking of RAID hardware engineers, is that 5400 card that was mentioned here earlier architecturally close to the 32xx/34xx DPT designs now sold by Adaptec, or a new design? (I assume you inherited most of DPT's engineers when you bought them) Actually now that I look at it, it must have diverged because it uses a different driver.. Phil -- Philip J. Koenig pjklist@ekahuna.com Electric Kahuna Systems -- Computers & Communications for the New Millenium To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message