From owner-freebsd-current@FreeBSD.ORG Tue Nov 3 14:28:56 2009 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 2D14C106568F for ; Tue, 3 Nov 2009 14:28:56 +0000 (UTC) (envelope-from mailinglists@alchemy-networks.co.uk) Received: from mail.alchemy-networks.co.uk (cl-595.lon-02.gb.sixxs.net [IPv6:2a01:348:6:252::2]) by mx1.freebsd.org (Postfix) with ESMTP id DF9118FC12 for ; Tue, 3 Nov 2009 14:28:55 +0000 (UTC) Received: from desktop1.yuno ([10.0.0.33]) by mail.alchemy-networks.co.uk with esmtp (Exim 4.69 (FreeBSD)) (envelope-from ) id 1N5KRu-000K3W-0g; Tue, 03 Nov 2009 14:33:30 +0000 Content-Type: text/plain; charset=us-ascii; format=flowed; delsp=yes To: "Mark Linimon" , "Alexander Best" References: <4AEBFAA3.9020003@bsdforen.de> <20091103012810.GB31768@lonesome.com> Date: Tue, 03 Nov 2009 14:28:40 -0000 MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: "Paul G Webster" Organization: WorldForMe Message-ID: In-Reply-To: <20091103012810.GB31768@lonesome.com> User-Agent: Opera Mail/10.00 (FreeBSD) Cc: Dominic Fandrey , freebsd-current@freebsd.org Subject: Re: 8.0-RC2 mangles msdosfs 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: Tue, 03 Nov 2009 14:28:56 -0000 As an example, this is a 1GB fat32 disk. da0 at umass-sim0 bus 0 target 0 lun 0 da0: Removable Direct Access SCSI-0 device da0: 1.000MB/s transfers da0: 956MB (1957888 512 byte sectors: 64H 32S/T 956C) desktop1# ls /dev | grep da0~ desktop1# ls /dev | grep da0 da0 desktop1# fdisk /dev/da0 ******* Working on device /dev/da0 ******* parameters extracted from in-core disklabel are: cylinders=956 heads=64 sectors/track=32 (2048 blks/cyl) parameters to be used for BIOS calculations are: cylinders=956 heads=64 sectors/track=32 (2048 blks/cyl) Media sector size is 512 Warning: BIOS sector numbering starts with sector 1 Information from DOS bootblock is: The data for partition 1 is: sysid 114 (0x72),(unknown) start 778135908, size 1141509631 (557377 Meg), flag 6f beg: cyl 357/ head 116/ sector 40; end: cyl 357/ head 32/ sector 45 The data for partition 2 is: sysid 101 (0x65),(Novell Netware/386 3.xx) start 168689522, size 1936028240 (945326 Meg), flag 69 beg: cyl 288/ head 115/ sector 43; end: cyl 367/ head 114/ sector 50 The data for partition 3 is: sysid 121 (0x79),(QNX4.x 3rd part) start 1869881465, size 1936028192 (945326 Meg), flag 73 beg: cyl 366/ head 32/ sector 33; end: cyl 357/ head 32/ sector 43 The data for partition 4 is: sysid 13 (0x0d),(unknown) start 0, size 3637226496 (1775989 Meg), flag 74 beg: cyl 372/ head 97/ sector 50; end: cyl 0/ head 10/ sector 0 desktop1# On Tue, 03 Nov 2009 01:28:10 -0000, Mark Linimon wrote: > On Tue, Nov 03, 2009 at 02:03:29AM +0100, Alexander Best wrote: >> i guess the freebsd-fs@ guys know about these problems but don't have >> the time to deal with it. most of them are probably working on zfs. > > AFAIK there are only a handful of people working on ZFS. > > We certainly need more people willing to work on filesystems code. In > general it does have a large learning curve, so it's not as attractive > as some of the other areas. That's probably why, as the kernel has > undergone radical changes (e.g. for SMP) over time, that some of the > fs code has not kept up. > > mcl > _______________________________________________ > freebsd-current@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to > "freebsd-current-unsubscribe@freebsd.org" > -- Using Opera's revolutionary e-mail client: http://www.opera.com/mail/