From owner-freebsd-geom@FreeBSD.ORG Tue Nov 2 21:17:04 2010 Return-Path: Delivered-To: freebsd-geom@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 8FD721065673 for ; Tue, 2 Nov 2010 21:17:04 +0000 (UTC) (envelope-from delphij@delphij.net) Received: from tarsier.geekcn.org (tarsier.geekcn.org [IPv6:2001:470:a803::1]) by mx1.freebsd.org (Postfix) with ESMTP id 210AA8FC19 for ; Tue, 2 Nov 2010 21:17:04 +0000 (UTC) Received: from mail.geekcn.org (tarsier.geekcn.org [211.166.10.233]) by tarsier.geekcn.org (Postfix) with ESMTP id 4A1E0A6875C; Wed, 3 Nov 2010 05:17:01 +0800 (CST) X-Virus-Scanned: amavisd-new at geekcn.org Received: from tarsier.geekcn.org ([211.166.10.233]) by mail.geekcn.org (mail.geekcn.org [211.166.10.233]) (amavisd-new, port 10024) with LMTP id HUQl4l2W3xSz; Wed, 3 Nov 2010 05:16:54 +0800 (CST) Received: from delta.delphij.net (drawbridge.ixsystems.com [206.40.55.65]) (using TLSv1 with cipher DHE-RSA-CAMELLIA256-SHA (256/256 bits)) (No client certificate requested) by tarsier.geekcn.org (Postfix) with ESMTPSA id EEAD8A68347; Wed, 3 Nov 2010 05:16:52 +0800 (CST) DomainKey-Signature: a=rsa-sha1; s=default; d=delphij.net; c=nofws; q=dns; h=message-id:date:from:reply-to:organization:user-agent: mime-version:to:cc:subject:references:in-reply-to: x-enigmail-version:openpgp:content-type; b=K9guBOLmnq3XxrQBzqYC/l6TV6Bq0yhLTnnjwMOiOB3+LijNftUsxeOFrfDJ7YuE1 rxkL7rU9OkVqM0aRIMLiQ== Message-ID: <4CD07FBF.4040705@delphij.net> Date: Tue, 02 Nov 2010 14:16:47 -0700 From: Xin LI Organization: The FreeBSD Project User-Agent: Mozilla/5.0 (X11; U; FreeBSD amd64; en-US; rv:1.9.1.15) Gecko/20101028 Thunderbird/3.0.10 ThunderBrowse/3.3.2 MIME-Version: 1.0 To: Andriy Gapon References: <4CD04425.4020204@icyb.net.ua> In-Reply-To: <4CD04425.4020204@icyb.net.ua> X-Enigmail-Version: 1.0.1 OpenPGP: id=3FCA37C1; url=http://www.delphij.net/delphij.asc Content-Type: multipart/mixed; boundary="------------050002010804040407000009" Cc: freebsd-geom@FreeBSD.org Subject: Re: geom_part_mbr vs user X-BeenThere: freebsd-geom@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: d@delphij.net List-Id: GEOM-specific discussions and implementations List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 02 Nov 2010 21:17:04 -0000 This is a multi-part message in MIME format. --------------050002010804040407000009 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 On 11/02/10 10:02, Andriy Gapon wrote: > > It seems that geom_part_mbr: > 1. uses CHS for some things > 2. insists that various things be "CHS-aligned" > > While 1 is quite acceptable (although perhaps useless), 2 seems to be unhelpful > (and even annoying). > E.g. I wanted to create a partition that starts at sector 64, but that was > auto-magically and silently converted to 126 (2x63). It took me a while to > realize what's going on. Using some greater starting sector (like 8x63) did work. > > But I still believe that geom_part_mbr "thinking" that it is smarter than me is > incorrect. Yeah, keep using CHS params for some defaults, etc, but do obey what I > explicitly specify if doesn't violate fundamental constraints like media size or > slice overlaps. +1. I even have a local patch which mute the warning when booting !verbose. Cheers, - -- Xin LI http://www.delphij.net/ FreeBSD - The Power to Serve! 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