From owner-freebsd-questions@FreeBSD.ORG Sat May 2 04:06:10 2009 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 9B620106566C for ; Sat, 2 May 2009 04:06:10 +0000 (UTC) (envelope-from till.plewe@gmail.com) Received: from yw-out-2324.google.com (yw-out-2324.google.com [74.125.46.30]) by mx1.freebsd.org (Postfix) with ESMTP id 57C568FC12 for ; Sat, 2 May 2009 04:06:10 +0000 (UTC) (envelope-from till.plewe@gmail.com) Received: by yw-out-2324.google.com with SMTP id 9so1694271ywe.13 for ; Fri, 01 May 2009 21:06:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:date:message-id:subject :from:to:content-type:content-transfer-encoding; bh=BEFmv5aNIRr6QJnYK97IasU71dzv7NdWvjxkUJ327i4=; b=J4YleTMK99iXvmHP38iy5uXen8TDAiWQayMZAfK+lBAys6ixTzwzOEe/NE6kNWZ5tM ERgI9FVES+JvW68I8anW8/f7otTUz1T04BqTr1fGj0CnlxkHOfVU5AnQzcK4g4IeHuAa efVDgcsjePIcOOMms8hyJyKJfYj4kP3TG2vxs= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:content-type :content-transfer-encoding; b=YP5KpzabFmKiUrgyKG0ktpZcvKXAmAL79cBI5LjLB0zVMTuo2Y/6Dy9THs/7b1f4++ p/CcrZcML13bzHJdluk1BItxpjAKdtEZWcK0cmSF9obcWXONCcOorRVuirF7SpJtuttI eeda3ORR5qCXKu8hSmp4wvopTGk4xr1XHCbsc= MIME-Version: 1.0 Received: by 10.100.248.4 with SMTP id v4mr7341802anh.121.1241237169599; Fri, 01 May 2009 21:06:09 -0700 (PDT) Date: Sat, 2 May 2009 13:06:09 +0900 Message-ID: <8be8566f0905012106ld6509aeh754383d7b4b1c646@mail.gmail.com> From: till plewe To: FreeBSD-Questions Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Subject: cannot mount slices of usbdrive X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 02 May 2009 04:06:10 -0000 I have a usbdrive which was used on FreeBSD 6 or 7 but cannot be mounted now (on CURRENT with generic kernel). The drive is recognized but the individual slices do not seem to exist (see below). Any pointers on how to recover the content of the disk would be appreciated. I was thinking of building a new disk label from the fdisk output but am not sure that I understand what is involved properly (where does the in-core disklabel fdisk uses come from?) 1) # mount /dev/da1s1 /mnt1 mount: /dev/da1s1 : No such file or directory ------------------------------------- 2) # dmesg da1 at umass-sim2 bus 2 target 0 lun 0 da1: Fixed Direct Access SCSI-2 device da1: 40.000MB/s transfers da1: 715404MB (1465149168 512 byte sectors: 255H 63S/T 91201C) ---------------------------------------- 3) # bsdlabel /dev/da1 # /dev/da1: 8 partitions: # size offset fstype [fsize bsize bps/cpg] a: 1465149152 16 unused 0 0 c: 1465149168 0 unused 0 0 # "raw" part, don't edit ------------------------------------------------------------------------ 4) # fdisk /dev/da1 ******* Working on device /dev/da1 ******* parameters extracted from in-core disklabel are: cylinders=91201 heads=255 sectors/track=63 (16065 blks/cyl) Figures below won't work with BIOS for partitions not in cyl 1 parameters to be used for BIOS calculations are: cylinders=91201 heads=255 sectors/track=63 (16065 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 165 (0xa5),(FreeBSD/NetBSD/386BSD) start 63, size 377479242 (184316 Meg), flag 80 (active) beg: cyl 0/ head 1/ sector 1; end: cyl 1023/ head 254/ sector 63 The data for partition 2 is: sysid 165 (0xa5),(FreeBSD/NetBSD/386BSD) start 377479305, size 377479305 (184316 Meg), flag 80 (active) beg: cyl 1023/ head 255/ sector 63; end: cyl 1023/ head 254/ sector 63 The data for partition 3 is: sysid 165 (0xa5),(FreeBSD/NetBSD/386BSD) start 754958610, size 377479305 (184316 Meg), flag 80 (active) beg: cyl 1023/ head 255/ sector 63; end: cyl 1023/ head 254/ sector 63 The data for partition 4 is: sysid 165 (0xa5),(FreeBSD/NetBSD/386BSD) start 1132437915, size 332706150 (162454 Meg), flag 80 (active) beg: cyl 1023/ head 255/ sector 63; end: cyl 1023/ head 254/ sector 63 5) # fdisk /dev/da1s1 fdisk: unable to get correct path for /dev/da1s1: No such file or directory