From owner-freebsd-hardware@FreeBSD.ORG Fri Jan 23 13:11:48 2004 Return-Path: Delivered-To: freebsd-hardware@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 1B4DC16A4CE; Fri, 23 Jan 2004 13:11:48 -0800 (PST) Received: from www.gotbrains.org (www2.gotbrains.org [206.180.149.129]) by mx1.FreeBSD.org (Postfix) with ESMTP id 01C8343D58; Fri, 23 Jan 2004 13:10:47 -0800 (PST) (envelope-from clists@gotbrains.org) Received: from igor.gotbrains.org (eagle.spinneret.com [206.180.139.69]) by www.gotbrains.org (8.12.9p2/8.12.9) with SMTP id i0NL7q5p059525; Fri, 23 Jan 2004 15:07:52 -0600 (CST) (envelope-from clists@gotbrains.org) Date: Fri, 23 Jan 2004 15:06:48 -0600 From: "Stephen P. Cravey" To: freebsd-questions@freebsd.org Message-Id: <20040123150648.64dbb023.clists@gotbrains.org> X-Mailer: Sylpheed version 0.9.8a (GTK+ 1.2.10; i386-portbld-freebsd5.1) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit cc: freebsd-hardware@freebsd.org Subject: Hot Swap hardware on FreeBSD? X-BeenThere: freebsd-hardware@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: General discussion of FreeBSD hardware List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 23 Jan 2004 21:11:48 -0000 I'm trying to locate a good resource for creating hot swap capable servers with FreeBSD and Vinum. Specifically, I'm trying to find out several things: Are there resources somewhere that document this type of thing? Please? Do I need controllers for SATA/SCSI that will handle the plugging/unplugging of drives, or do I just need to do a bus rescan (or the like) after the change and notify vinum? i.e. do i need something like an adaptec 2200S or will a 39320 work? Is there anything in particular I should look for when buying hot swap chassis? Other than SCA for SCSI? What about Hot swap with Fibre Channel? What about using FreeBSD in a SAN where it's both serving drives and acting as a client? Where can I find (recent) performance numbers for raid 0,1,5 comparisons? What else should I know about this before attempting it? Thank you. -Stephen