From owner-freebsd-questions@FreeBSD.ORG Tue Apr 12 00:45:37 2005 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 932AC16A4CE for ; Tue, 12 Apr 2005 00:45:37 +0000 (GMT) Received: from hobbiton.shire.net (hobbiton.shire.net [166.70.252.250]) by mx1.FreeBSD.org (Postfix) with ESMTP id 5AE2943D46 for ; Tue, 12 Apr 2005 00:45:37 +0000 (GMT) (envelope-from chad@shire.net) Received: from [67.161.222.227] (helo=[192.168.99.68]) by hobbiton.shire.net with esmtpsa (TLSv1:RC4-SHA:128) (Exim 4.43) id 1DL9WW-000HLY-Ne for freebsd-questions@freebsd.org; Mon, 11 Apr 2005 18:45:36 -0600 Mime-Version: 1.0 (Apple Message framework v619.2) Message-Id: <7a4bfe554ff7ac7120b1399acd335a6d@shire.net> To: List Free Bsd From: Chad Leigh -- Shire.Net LLC Date: Mon, 11 Apr 2005 18:44:59 -0600 X-Mailer: Apple Mail (2.619.2) X-SA-Exim-Connect-IP: 67.161.222.227 X-SA-Exim-Mail-From: chad@shire.net Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=US-ASCII; format=flowed X-Spam-Checker-Version: SpamAssassin 3.0.0 (2004-09-13) on hobbiton.shire.net X-Spam-Status: No, score=-0.1 required=5.0 tests=AWL,BAYES_50 autolearn=disabled version=3.0.0 X-Spam-Level: X-SA-Exim-Version: 4.1+cvs (built Mon, 23 Aug 2004 08:44:05 -0700) X-SA-Exim-Scanned: Yes (on hobbiton.shire.net) Subject: disk backed mdX type volumes -- overhead? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 12 Apr 2005 00:45:37 -0000 On FreeBSD 5.3, what is the overhead compared to a filesystem directly on the HW, of an /dev/mdX device with a file system on it living on the same HW device? Thanks Chad