From owner-freebsd-current@FreeBSD.ORG Fri Mar 17 23:31:12 2006 Return-Path: X-Original-To: freebsd-current@freebsd.org Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 7969F16A420 for ; Fri, 17 Mar 2006 23:31:12 +0000 (UTC) (envelope-from imp@bsdimp.com) Received: from harmony.bsdimp.com (vc4-2-0-87.dsl.netrack.net [199.45.160.85]) by mx1.FreeBSD.org (Postfix) with ESMTP id 0A4FC43D4C for ; Fri, 17 Mar 2006 23:31:11 +0000 (GMT) (envelope-from imp@bsdimp.com) Received: from localhost (localhost.village.org [127.0.0.1] (may be forged)) by harmony.bsdimp.com (8.13.3/8.13.3) with ESMTP id k2HNUlpO049323; Fri, 17 Mar 2006 16:30:47 -0700 (MST) (envelope-from imp@bsdimp.com) Date: Fri, 17 Mar 2006 16:30:47 -0700 (MST) Message-Id: <20060317.163047.115953468.imp@bsdimp.com> To: daniel_k_eriksson@telia.com From: Warner Losh In-Reply-To: <4F9C9299A10AE74E89EA580D14AA10A605F5A0@royal64.emp.zapto.org> References: <4F9C9299A10AE74E89EA580D14AA10A605F5A0@royal64.emp.zapto.org> X-Mailer: Mew version 3.3 on Emacs 21.3 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-2.0 (harmony.bsdimp.com [127.0.0.1]); Fri, 17 Mar 2006 16:30:47 -0700 (MST) Cc: des@des.no, freebsd-current@freebsd.org Subject: Re: [patch] NetBSD disklabel support for geom_bsd X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 17 Mar 2006 23:31:12 -0000 From: "Daniel Eriksson" Subject: RE: [patch] NetBSD disklabel support for geom_bsd Date: Fri, 17 Mar 2006 20:47:08 +0100 > Dag-Erling Sm=F8rgrav wrote: > = > > It is still possible to create dangerously dedicated disks, btw, an= d > > it is still possible to put a disklabel (or even a filesystem) > > directly on a device. GEOM means *more* freedom, not less. > = > I've been putting filesystems directly on devices for some time now. = Are there any drawbacks to doing this? You likely aren't putting them directly on devices, but rather using FreeBSD's hack MBR which geom knows to ignore... Disks w/o MBR can confuse some BIOSes that try to be too smart. Disks with our fake MBR can confuse a different set of BIOSes... The only sure way is to use a real MBR. Warner