From owner-freebsd-questions@FreeBSD.ORG Thu Feb 22 22:35:16 2007 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 8F94D16A401 for ; Thu, 22 Feb 2007 22:35:16 +0000 (UTC) (envelope-from derek@computinginnovations.com) Received: from betty.computinginnovations.com (dsl081-227-250.chi1.dsl.speakeasy.net [64.81.227.250]) by mx1.freebsd.org (Postfix) with ESMTP id 0084913C442 for ; Thu, 22 Feb 2007 22:35:13 +0000 (UTC) (envelope-from derek@computinginnovations.com) Received: from p28.computinginnovations.com (dhcp-10-20-30-100.computinginnovations.com [10.20.30.100]) (authenticated bits=0) by betty.computinginnovations.com (8.13.8/8.12.11) with ESMTP id l1MMYZol050291; Thu, 22 Feb 2007 16:34:35 -0600 (CST) Message-Id: <6.0.0.22.2.20070222163157.0249d9f8@mail.computinginnovations.com> X-Sender: derek@mail.computinginnovations.com X-Mailer: QUALCOMM Windows Eudora Version 6.0.0.22 Date: Thu, 22 Feb 2007 16:34:24 -0600 To: "Marty Landman" , freebsd-questions@freebsd.org From: Derek Ragona In-Reply-To: <70063950702221419s57a34f05p1bdee62713a67aae@mail.gmail.com > References: <70063950702221419s57a34f05p1bdee62713a67aae@mail.gmail.com> Mime-Version: 1.0 X-ComputingInnovations-MailScanner-Information: Please contact the ISP for more information X-ComputingInnovations-MailScanner: Found to be clean X-ComputingInnovations-MailScanner-From: derek@computinginnovations.com X-Spam-Status: No Content-Type: text/plain; charset="us-ascii"; format=flowed X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: Subject: Re: input/output error on hd 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: Thu, 22 Feb 2007 22:35:16 -0000 You may have lost the partition table. You can try repartitioning the drive but do NOT do a newfs. You can easily try it in sysinstall. -Derek At 04:19 PM 2/22/2007, Marty Landman wrote: >I wrote about this problem before, still working on recovery. After a power >outage I lost my primary slave hd, a 250MB Maxtor. Got rebooted ok by >editing it out of the fstab i.e. > >%cat /etc/fstab ># Device Mountpoint FStype Options Dump >Pass# >/dev/ad0s1b none swap sw 0 0 >/dev/ad0s1a / ufs rw 1 1 >... >#/dev/ad1s1c /hoss ufs rw 2 2 >% > >It's been explained to me that ad1s1c was an inappropriate name for the >partition on this drive, will change that after fixing this mess. > >Here is a problem symptom summary: > >%sudo mount /dev/ad1s1c /hoss >mount: /dev/ad1s1c: Input/output error >%sudo mount /dev/ad1s1 /hoss >mount: /dev/ad1s1: Input/output error >%sudo fsck -f /dev/ad1s1 >fsck: Could not determine filesystem type >%sudo fsck -f /dev/ad1s1c >fsck: exec fsck_unused for /dev/ad1s1c in /sbin:/usr/sbin: No such file or >directory >% > >Have determined from dd's that there's data on here, wonder though if the >power outage caused some permanent damage. Have isolated the errors to >blocks 129 through 144: > >%sudo dd if=/dev/ad1s1 of=/tmp/scratch bs=512 count=1 skip=127 >1+0 records in >1+0 records out >512 bytes transferred in 0.008638 secs (59274 bytes/sec) >%sudo dd if=/dev/ad1s1 of=/tmp/scratch bs=512 count=1 skip=128 >dd: /dev/ad1s1: Input/output error >0+0 records in >0+0 records out >0 bytes transferred in 1.315347 secs (0 bytes/sec) >... [repeats for skip=129 to skip=142] >%sudo dd if=/dev/ad1s1 of=/tmp/scratch bs=512 count=1 skip=143 >dd: /dev/ad1s1: Input/output error >0+0 records in >0+0 records out >0 bytes transferred in 1.336348 secs (0 bytes/sec) >%sudo dd if=/dev/ad1s1 of=/tmp/scratch bs=512 count=1 skip=144 >1+0 records in >1+0 records out >512 bytes transferred in 0.018065 secs (28342 bytes/sec) > >So, I need to know what to do next. Have been looking for pertinant >information to learn how to pick apart whatever's keeping my drive for being >mountable and fix manually but either don't know what to look for or haven't >found the right explanation yet. > >For instance, is it possible if I somehow 'eliminated' blocks 129 through >144 that the volume would then mount for me? > >Any help would be appreciated. > > >Marty > > >-- >Web Installed Formmail - http://face2interface.com/formINSTal/ >Webmaster's BBS - http://bbs.face2interface.com/ >_______________________________________________ >freebsd-questions@freebsd.org mailing list >http://lists.freebsd.org/mailman/listinfo/freebsd-questions >To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org" > >-- >This message has been scanned for viruses and >dangerous content by MailScanner, and is >believed to be clean. >MailScanner thanks transtec Computers for their support. > -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean. MailScanner thanks transtec Computers for their support.