From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: with ECARTIS (v1.0.0; list xfs); Tue, 21 Oct 2008 14:20:22 -0700 (PDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by oss.sgi.com (8.12.11.20060308/8.12.11/SuSE Linux 0.7) with ESMTP id m9LLKIf6015741 for ; Tue, 21 Oct 2008 14:20:19 -0700 Received: from ipmail01.adl6.internode.on.net (localhost [127.0.0.1]) by cuda.sgi.com (Spam Firewall) with ESMTP id 156731B1057C for ; Tue, 21 Oct 2008 14:22:01 -0700 (PDT) Received: from ipmail01.adl6.internode.on.net (ipmail01.adl6.internode.on.net [203.16.214.146]) by cuda.sgi.com with ESMTP id UwmZmOhGr3hwj4Nc for ; Tue, 21 Oct 2008 14:22:01 -0700 (PDT) Date: Wed, 22 Oct 2008 08:21:58 +1100 From: Dave Chinner Subject: Re: Partition seems to have been zero:ed. For no reason. Message-ID: <20081021212158.GN25906@disturbed> References: <934a72850810211111g20accf8ey74f0bfb8ecf38532@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <934a72850810211111g20accf8ey74f0bfb8ecf38532@mail.gmail.com> Sender: xfs-bounce@oss.sgi.com Errors-to: xfs-bounce@oss.sgi.com List-Id: xfs To: Johan Stenehall Cc: xfs@oss.sgi.com On Tue, Oct 21, 2008 at 08:11:50PM +0200, Johan Stenehall wrote: > After a kernal upgrade My UUIDs in /etc/fstab stoped working so I changed > them to /dev/sd* When rebooting again /dev/sdb2 didn't want to mount. I > tried to manualy mount it without success and tried to run a xfs_repair on > it. Got the following: http://pastebin.com/m44d3aa47 Are you using LVM or MD? i.e. did a volume get re-assembled incorrectly and hence the XFS tools saw random fragments of a filesystem? > After that the partition still didn't want to mount. Had to overwrite the > inprogress flag "xfs_db> write inprogress 0", That aloud me to mount the > partition but it looked entirly empty. > > A very nice person, (thank you), on xfs@freenode tried to help > me. However it seems like the entire disk, or part of it, have been zero:ed. > > Does anyone know if it's possible to recover from this? And if so how? Recovery is possible - it's called restoring from backups. You do have a backup, don't you? > Running Linux Ubuntu, 8.04 32-bit > uname -r > 2.6.24-21-generic > xfs_repair -V > xfs_repair version 2.9.4 Hmmmmm - haven't we have these symptoms reported by a couple of Ubuntu users now? There's been a few ppl reporting such problems of late.... Cheers, Dave. -- Dave Chinner david@fromorbit.com