From: Dave Chinner <david@fromorbit.com>
To: Mike Snitzer <snitzer@redhat.com>
Cc: dm-devel@redhat.com, xfs@oss.sgi.com, Matteo Frigo <athena@fftw.org>
Subject: Re: pvmove corrupting XFS filesystems (was Re: [BUG] Internal error xfs_dir2_data_reada_verify)
Date: Thu, 28 Feb 2013 10:07:32 +1100 [thread overview]
Message-ID: <20130227230732.GD5551@dastard> (raw)
In-Reply-To: <20130227150715.GA4492@redhat.com>
On Wed, Feb 27, 2013 at 10:07:15AM -0500, Mike Snitzer wrote:
> On Tue, Feb 26 2013 at 8:49pm -0500,
> Dave Chinner <david@fromorbit.com> wrote:
>
> > On Wed, Feb 27, 2013 at 01:04:14AM +0000, Alasdair G Kergon wrote:
> > > (Quick pointers that might be relevant)
> > >
> > > EAGAIN, I'm not aware of dm itself returning that on the i/o path.
> >
> > Neither am I, but it's coming from somewhere in the IO path...
> >
> > > For 3.8 issues, read dm-devel around https://www.redhat.com/archives/dm-devel/2013-February/msg00086.html
> > > (I queued the dm-side fixes for linux-next earlier today)
> >
> > It's reproducable on lots of different kernels, apparently - 3.8,
> > 3.4.33, CentOS 6.3, debian sid/wheezy and Fedora 18 were mentioned
> > specifically by the OP - so it doesn't look like a recent
> > regression or constrained to a specific kernel.
> >
> > > For pvmove, check exactly which version and whether discards are enabled: there
> > > was a userspace bug for a short period some time ago when discards were enabled.
> >
> > The version I used to reproduce on a 3.8.0 kernel was:
> >
> > $ pvmove --version
> > LVM version: 2.02.95(2) (2012-03-06)
> > Library version: 1.02.74 (2012-03-06)
> > Driver version: 4.23.1
>
> Was issue_discards enabled in lvm.conf?
$ grep issue_discards /etc/lvm/lvm.conf
issue_discards = 0
$
Cheers,
Dave.
--
Dave Chinner
david@fromorbit.com
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prev parent reply other threads:[~2013-02-27 23:07 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-26 0:47 [BUG] Internal error xfs_dir2_data_reada_verify Matteo Frigo
2013-02-26 4:40 ` [BUG] pvmove corrupting XFS filesystems (was Re: [BUG] Internal error xfs_dir2_data_reada_verify) Dave Chinner
2013-02-26 11:29 ` Matteo Frigo
2013-02-27 1:04 ` [dm-devel] " Alasdair G Kergon
2013-02-27 1:49 ` Dave Chinner
2013-02-27 1:49 ` Dave Chinner
2013-02-27 2:21 ` Matteo Frigo
2013-02-27 2:29 ` Dave Chinner
2013-03-07 12:13 ` Matteo Frigo
2013-03-07 22:31 ` Dave Chinner
2013-03-07 22:50 ` Dave Chinner
2013-03-08 0:09 ` Matteo Frigo
2013-03-08 1:57 ` Dave Chinner
2013-03-08 11:38 ` Matteo Frigo
2013-02-27 15:07 ` Mike Snitzer
2013-02-27 15:10 ` Matteo Frigo
2013-02-27 23:07 ` Dave Chinner [this message]
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