From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from relay.sgi.com (relay3.corp.sgi.com [198.149.34.15]) by oss.sgi.com (Postfix) with ESMTP id 1BCFA7F3F for ; Sat, 13 Sep 2014 17:09:38 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay3.corp.sgi.com (Postfix) with ESMTP id 96B8EAC001 for ; Sat, 13 Sep 2014 15:09:34 -0700 (PDT) Received: from ipmail07.adl2.internode.on.net (ipmail07.adl2.internode.on.net [150.101.137.131]) by cuda.sgi.com with ESMTP id IXyGC7PyF5EqUXXa for ; Sat, 13 Sep 2014 15:09:31 -0700 (PDT) Date: Sun, 14 Sep 2014 08:09:16 +1000 From: Dave Chinner Subject: Re: unclean shutdown of usb hdd destroyed xfs partially Message-ID: <20140913220916.GC4267@dastard> References: <3999c95c0dc7ebfdfbb2853a6d13f7dc@zbfmail.de> <082ebd288523ee6155b66debade2a775@zbfmail.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <082ebd288523ee6155b66debade2a775@zbfmail.de> List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Errors-To: xfs-bounces@oss.sgi.com Sender: xfs-bounces@oss.sgi.com To: weber@zbfmail.de Cc: Xfs On Sat, Sep 13, 2014 at 04:36:59PM +0200, Marko Weber|8000 wrote: > = > an output of xfs_repair -v -L /dev/sde1 ... > = > # xfs_repair -v -L /dev/sde1 What version? > Phase 1 - Superblock finden und =FCberpr=FCfen... > - Berichts-Prozess in Abst=E4nden von 15 Minutes > - Block-Zwischenspeichergr=F6=DFe ist auf 1487792 Eintr=E4ge gese= tzt > Phase 2 - ein internes Protokoll benutzen > - Null-Protokoll... > zero_log: head block 40 tail block 40 > - freier Speicher und Inode-Karten des Dateisystems werden > gescannt... > bad magic numberbad magic numberbad magic number .... > falscher on-disk-Superblock 12 - falsche Magische Nummer > Metadata corruption detected at block > 0x20bf8e50/0x1000prim=E4re/sekund=E4rer Superblock-12-Konflikt - > AG-Superblock-Geometrie-Info hat einen Konflikt mit der > Dateisystem-Geometrie > flasche magische # 0x0 f=FCr agf 12 > falsche Version # 0 f=FCr agf 12 > = > Metadata corruption detected at block 0x417f1c90/0x1000 > falscher on-disk-Superblock 6 - falsche Magische Nummer > prim=E4re/sekund=E4rer Superblock-6-Konflikt - > AG-Superblock-Geometrie-Info hat einen Konflikt mit der > Dateisystem-Geometrie > falscher on-disk-Superblock 3 - falsche Magische Nummer > ungenutzten Anteil des =BBsekund=E4r=AB-Superblocks nullen (AG #6) > Metadata corruption detected at block 0x57542610/0x1000 > falsche Sequenz # 0 f=FCr agf 12 > Metadata corruption detected at block > 0x7813b450/0x1000Speicherzugriffsfehler I don't read german(?) but that looks like many AG header block have been overwritten with zeros (0 magic number, 0 sequence #, 0 length, etc) and so even if we can repair the filesystem, I'd suggest that you need to verify that the data in every file in the filesystem is correct. Is that as far as xfs_repair got? If so, it would have appeared to crash. Can you run the lastest version inside gdb to get a stack trace when it dies? Or, alternatively, provide a metadump for one of us to look at more closely? Cheers, Dave. -- = Dave Chinner david@fromorbit.com _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs