From owner-freebsd-hackers@FreeBSD.ORG Thu Jul 27 18:04:14 2006 Return-Path: X-Original-To: freebsd-hackers@freebsd.org Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 293FA16A4DD for ; Thu, 27 Jul 2006 18:04:14 +0000 (UTC) (envelope-from rick@kiwi-computer.com) Received: from kiwi-computer.com (megan.kiwi-computer.com [63.224.10.3]) by mx1.FreeBSD.org (Postfix) with SMTP id 717AA43D4C for ; Thu, 27 Jul 2006 18:04:13 +0000 (GMT) (envelope-from rick@kiwi-computer.com) Received: (qmail 48435 invoked by uid 2001); 27 Jul 2006 18:04:12 -0000 Date: Thu, 27 Jul 2006 13:04:12 -0500 From: "Rick C. Petty" To: Steve Ames Message-ID: <20060727180412.GB48057@megan.kiwi-computer.com> References: <20060727063936.GA1246@titan.klemm.apsfilter.org> <20060727122159.GB4217@britannica.bec.de> <20060727134948.GA3755@energistic.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20060727134948.GA3755@energistic.com> User-Agent: Mutt/1.4.2.1i Cc: freebsd-hackers@freebsd.org Subject: Re: disklabel differences FreeBSD, DragonFly X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: rick-freebsd@kiwi-computer.com List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 27 Jul 2006 18:04:14 -0000 On Thu, Jul 27, 2006 at 09:49:48AM -0400, Steve Ames wrote: > On Thu, Jul 27, 2006 at 02:21:59PM +0200, Joerg Sonnenberger wrote: > > > > DragonFly disklabels allow 16 entries by default, FreeBSD still limits > > it to 8. That's why you can't read it directly. > > Are there plans to bump the default up from 8? I'm honestly torn on > this topic whenever I install a new system. On the one hand I like > having a lot of discrete mountpoints to control potential usage. On > the other hand with drive space being so inexpensive I sometimes > wonder if I need to bother and can get away with very few mountpoints. I would think that cheap disk space would mean larger disks which implies more mountpoints ??? > On very large disks (or arrays that appear as a single disk) I have > to create multiple slices in order to get more than 8 mountpoints. Its > an extra hoop to jump through. Use gpt on non boot-disks, or use gvinum if you have lots of storage and like the inherent advantage of named labels, striping, and redundancy. I wasn't very happy with gpt or bsdlabel recently because you aren't allowed to modify the partitions if the gpt/bsdlabel is in use (i.e. one of the other partitions is currently mounted as a filesystem). I hope the GEOM people are working to improve this. -- Rick C. Petty