From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 271C17F52 for ; Mon, 7 Oct 2013 11:52:23 -0500 (CDT) Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by relay2.corp.sgi.com (Postfix) with ESMTP id 11DF0304048 for ; Mon, 7 Oct 2013 09:52:20 -0700 (PDT) Received: from mail.ud10.udmedia.de (ud10.udmedia.de [194.117.254.50]) by cuda.sgi.com with ESMTP id fS8WSIXJxBMQQLs0 (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Mon, 07 Oct 2013 09:52:18 -0700 (PDT) Date: Mon, 7 Oct 2013 18:52:17 +0200 From: Markus Trippelsdorf Subject: [bisected] xfs_repair refuses to run on cleanly mountable partition Message-ID: <20131007165217.GF280@x4> References: <20131007151637.GA280@x4> <5252D194.1010609@sandeen.net> <20131007152910.GB280@x4> <5252D51B.7010503@sandeen.net> <20131007154044.GC280@x4> <5252D919.50901@sandeen.net> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <5252D919.50901@sandeen.net> List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: xfs-bounces@oss.sgi.com Sender: xfs-bounces@oss.sgi.com To: Eric Sandeen , Dave Chinner Cc: xfs-oss On 2013.10.07 at 10:54 -0500, Eric Sandeen wrote: > On 10/7/13 10:40 AM, Markus Trippelsdorf wrote: > > On 2013.10.07 at 10:36 -0500, Eric Sandeen wrote: > >> On 10/7/13 10:29 AM, Markus Trippelsdorf wrote: > >>> On 2013.10.07 at 10:21 -0500, Eric Sandeen wrote: > >>>> On 10/7/13 10:16 AM, Markus Trippelsdorf wrote: > >>>>> x4 ~ # xfs_repair -V > >>>>> xfs_repair version 3.2.0-alpha1 > >>>>> > >>>>> x4 ~ # mount -o logbsize=256k /dev/sdc1 /mnt > >>>>> ... > >>>>> [ 6419.592649] XFS (sdc1): Mounting Filesystem > >>>>> [ 6419.642480] XFS (sdc1): Ending clean mount > >>>>> > >>>>> x4 ~ # xfs_info /dev/sdc1 > >>>>> meta-data=/dev/sdc1 isize=256 agcount=4, agsize=61047552 blks > >>>>> = sectsz=4096 attr=2, projid32bit=0 > >>>>> = crc=0 > >>>>> data = bsize=4096 blocks=244190208, imaxpct=25 > >>>>> = sunit=0 swidth=0 blks > >>>>> naming =version 2 bsize=4096 ascii-ci=0 > >>>>> log =internal bsize=4096 blocks=119233, version=2 > >>>>> = sectsz=4096 sunit=1 blks, lazy-count=1 > >>>>> realtime =none extsz=4096 blocks=0, rtextents=0 > >>>>> > >>>>> x4 ~ # umount /mnt > >>>>> > >>>>> x4 ~ # xfs_repair /dev/sdc1 > >>>>> Phase 1 - find and verify superblock... > >>>>> Phase 2 - using internal log > >>>>> - zero log... > >>>>> ERROR: The filesystem has valuable metadata changes in a log which needs to > >>>>> be replayed. Mount the filesystem to replay the log, and unmount it before > >>>>> re-running xfs_repair. If you are unable to mount the filesystem, then use > >>>>> the -L option to destroy the log and attempt a repair. > >>>>> Note that destroying the log may cause corruption -- please attempt a mount > >>>>> of the filesystem before doing this. > >>>> > >>>> What kernel are you running? Does older xfs_repair behave differently? > >>>> (use xfs_repair -n if you test an old xfsprogs, to preserve this state > >>>> for debugging...) > >>> > >>> I'm running the latest git kernel 3.12.0-rc4. > >>> "xfs_repair -n" runs fine even with xfsprogs 3.2.0-alpha1... > >>> > >>>> Perhaps copying out or dumping the log w/ xfs_logprint would also help, > >>>> maybe start with: > >>>> > >>>> # xfs_logprint -t /dev/sdc1 > >>> xfs_logprint: > >>> data device: 0x821 > >>> log device: 0x821 daddr: 976760888 length: 953864 > >>> > >>> log tail: 53376 head: 53376 state: > >> > >> Funky. > >> > >> How about an xfs_repair -v (for verbose). > > ... > > - zero log.. > > zero_log: head block 53048 tail block 49064 > > ERROR: The filesystem has valuable metadata changes in a log which needs to > > ... > > > > Very strange. Both xfs_logprint & xfs_repair should be using the same > function in libxfs for finding the head & tail. > > I asked off-list if you wanted to provide a metadump image I could look > at directly... I've bisected this issue to the following commit from Dave: commit e0607266f23f82226f8aee502552d6ce25c4e6a5 Author: Dave Chinner Date: Fri Jun 7 10:25:47 2013 +1000 xfsprogs: add crc format support to repair -- Markus _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs