From owner-freebsd-scsi@FreeBSD.ORG Wed May 5 16:47:09 2004 Return-Path: Delivered-To: freebsd-scsi@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 9BA3016A4CF for ; Wed, 5 May 2004 16:47:09 -0700 (PDT) Received: from ozlabs.org (ozlabs.org [203.10.76.45]) by mx1.FreeBSD.org (Postfix) with ESMTP id D746643D53 for ; Wed, 5 May 2004 16:47:08 -0700 (PDT) (envelope-from grog@lemis.com) Received: from blackwater.lemis.com (blackwater.lemis.com [192.109.197.80]) by ozlabs.org (Postfix) with ESMTP id E51482BD3E for ; Thu, 6 May 2004 09:47:05 +1000 (EST) Received: by blackwater.lemis.com (Postfix, from userid 1004) id 008F751200; Thu, 6 May 2004 09:17:03 +0930 (CST) Date: Thu, 6 May 2004 09:17:03 +0930 From: Greg 'groggy' Lehey To: Don Bowman Message-ID: <20040505234703.GG61687@wantadilla.lemis.com> References: Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="Cp3Cp8fzgozWLBWL" Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.1i Organization: The FreeBSD Project Phone: +61-8-8388-8286 Fax: +61-8-8388-8725 Mobile: +61-418-838-708 WWW-Home-Page: http://www.FreeBSD.org/ X-PGP-Fingerprint: 9A1B 8202 BCCE B846 F92F 09AC 22E6 F290 507A 4223 cc: freebsd-scsi@freebsd.org Subject: Re: Hardware RAID vs Vinum? X-BeenThere: freebsd-scsi@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: SCSI subsystem List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 05 May 2004 23:47:09 -0000 --Cp3Cp8fzgozWLBWL Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wednesday, 5 May 2004 at 11:18:14 -0400, Don Bowman wrote: > From: Marc G. Fournier=20 >> Why one over the other? >> >> The main advantage I see to Vinum is that it makes doing stuff like >> firmware upgrades on a hard drive alot easier, since you see all the >> drives ... but, does paying a couple of hundred extra for a RAID >> controller give me any major advantages over that? > > Devices like aac have a cam passthrough (aacp) which allows > firmware upgrades and smartmontools etc to work. > > the advantage to the hardware raid is that you can make the > root partition be on the raid, so the machine will still boot > if a drive fails, where with vinum, you cannot do that. No, that's not correct. If a drive fails, you can still boot from the remaining drive. Greg -- Note: I discard all HTML mail unseen. Finger grog@FreeBSD.org for PGP public key. See complete headers for address and phone numbers. --Cp3Cp8fzgozWLBWL Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.0 (FreeBSD) iD8DBQFAmXz3IubykFB6QiMRAlSLAJ0aDibUSoLG4Dh+aYMNx60KfHtokgCcCJKI V1q8Oj1h3dzHiIEMpVrAKno= =Mw7f -----END PGP SIGNATURE----- --Cp3Cp8fzgozWLBWL--