From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: with ECARTIS (v1.0.0; list xfs); Thu, 15 Mar 2007 17:20:34 -0700 (PDT) Received: from donner.stsci.edu (donner.stsci.edu [130.167.251.65]) by oss.sgi.com (8.12.10/8.12.10/SuSE Linux 0.7) with ESMTP id l2G0KT6p003909 for ; Thu, 15 Mar 2007 17:20:30 -0700 From: Thomas Walker Subject: Re: Should xfs_repair take this long? Reply-To: walker@stsci.edu MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-Id: <20070315202027.CNS24438@comet.stsci.edu> Date: Thu, 15 Mar 2007 20:20:27 -0400 (EDT) Sender: xfs-bounce@oss.sgi.com Errors-to: xfs-bounce@oss.sgi.com List-Id: xfs To: David Chinner Cc: xfs@oss.sgi.com Ok, here's the output of the command you wanted. I ran it on both of the xfs file systems we have, both say bad superblock when trying to mount; [root@hla-ags ~]# dd if=/dev/mapper/vg0-hladata3 bs=512 count=1 iflag=direct 2> /dev/null | od -Ax -x 000000 [root@hla-ags ~]# dd if=/dev/mapper/vg1-hladata2 bs=512 count=1 iflag=direct 2> /dev/null | od -Ax -x 000000 [root@hla-ags ~]# mount /hladata2 mount: wrong fs type, bad option, bad superblock on /dev/vg0/hladata3, or too many mounted file systems Thomas Walker ---- Original message ---- >Date: Fri, 16 Mar 2007 10:10:31 +1100 >From: David Chinner >Subject: Re: Should xfs_repair take this long? >To: Thomas Walker >Cc: Emmanuel Florac , xfs@oss.sgi.com > >On Thu, Mar 15, 2007 at 10:06:42AM -0400, Thomas Walker wrote: >> >> The terminal shows a lot of "." dots running across the screen >> quickly, and every few hours it says this; >> >> >> .....................................................found candidate >> secondary superblock... >> unable to verify superblock, continuing... >> found candidate secondary superblock... >> unable to verify superblock, continuing... > >The primary superblock is not good, and it's trying to find a valid >secondary superblock. Doesn't sound promising so far - reapir can't >start until a valid superblok is found.... > >Can you dump the first sector of the device the fielsystem is >on: > ># dd if=/dev/mapper/vg0-hladata3 bs=512 count=1 iflag=direct 2> /dev/null | od -Ax -x > >So we can see if that really holds a primary XFS superblock? > >Cheers, > >Dave. >-- >Dave Chinner >Principal Engineer >SGI Australian Software Group