From owner-svn-src-all@FreeBSD.ORG Tue Dec 7 11:57:10 2010 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id C2F29106564A; Tue, 7 Dec 2010 11:57:10 +0000 (UTC) (envelope-from avg@freebsd.org) Received: from citadel.icyb.net.ua (citadel.icyb.net.ua [212.40.38.140]) by mx1.freebsd.org (Postfix) with ESMTP id C56648FC0A; Tue, 7 Dec 2010 11:57:08 +0000 (UTC) Received: from porto.topspin.kiev.ua (porto-e.starpoint.kiev.ua [212.40.38.100]) by citadel.icyb.net.ua (8.8.8p3/ICyb-2.3exp) with ESMTP id NAA00483; Tue, 07 Dec 2010 13:57:05 +0200 (EET) (envelope-from avg@freebsd.org) Received: from localhost.topspin.kiev.ua ([127.0.0.1]) by porto.topspin.kiev.ua with esmtp (Exim 4.34 (FreeBSD)) id 1PPwAK-000Gqx-VH; Tue, 07 Dec 2010 13:57:05 +0200 Message-ID: <4CFE2110.8020108@freebsd.org> Date: Tue, 07 Dec 2010 13:57:04 +0200 From: Andriy Gapon User-Agent: Mozilla/5.0 (X11; U; FreeBSD amd64; en-US; rv:1.9.2.12) Gecko/20101029 Lightning/1.0b2 Thunderbird/3.1.6 MIME-Version: 1.0 To: Bruce Cran References: <201012061218.oB6CI3oW032770@svn.freebsd.org> <20101206195327.GD1936@garage.freebsd.pl> <201012061518.49835.jhb@freebsd.org> <4CFD514E.8010103@FreeBSD.org> <20101207095137.GC1700@garage.freebsd.pl> <4CFE0B9E.3060808@FreeBSD.org> <20101207110410.GE1700@garage.freebsd.pl> <4CFE1B0F.90908@FreeBSD.org> <20101207115106.GB68479@muon.cran.org.uk> In-Reply-To: <20101207115106.GB68479@muon.cran.org.uk> X-Enigmail-Version: 1.1.2 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: src-committers@freebsd.org, Pawel Jakub Dawidek , John Baldwin , svn-src-all@freebsd.org, Ivan Voras , svn-src-head@freebsd.org, Alexander Motin Subject: Re: svn commit: r216230 - head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 07 Dec 2010 11:57:10 -0000 on 07/12/2010 13:51 Bruce Cran said the following: > On Tue, Dec 07, 2010 at 01:31:27PM +0200, Alexander Motin wrote: >> Not necessary. Some places indeed may have some legacy requirements, >> for example, in theory MBR want partition to be aligned to "track >> boundary" (but I've seen many pre-formatted SD cards with MBR >> violating it to align partition to flash sector). Same time for BSD >> label I see no problem to align partitions any way we want. I also >> see no problems to make FAT cluster, UFS block/fragment, etc, to >> match some sizes. > >>From a new installation of Windows 7 and FreeBSD CURRENT: > > GEOM: ada0: partition 3 does not start on a track boundary. > GEOM: ada0: partition 3 does not end on a track boundary. > GEOM: ada0: partition 2 does not start on a track boundary. > GEOM: ada0: partition 2 does not end on a track bounary. > > Partition 2 is the reserved partition while 3 is an NTFS partition, both > created in the Windows setup application. > > Since Windows isn't bothering to align partitions do we still need to > warn about it? > No. And another reason is that modern drives do not actually report any CHS parameters, so I don't even know where we get them and how we (pretend to) know we track boundaries are. -- Andriy Gapon