public inbox for linux-xfs@vger.kernel.org
 help / color / mirror / Atom feed
From: Dave Chinner <david@fromorbit.com>
To: Ajeet Yadav <ajeet.yadav.77@gmail.com>
Cc: xfs@oss.sgi.com
Subject: Re: First 128KB of XFS partition is NULL.
Date: Mon, 21 Feb 2011 08:32:05 +1100	[thread overview]
Message-ID: <20110220213205.GD3166@dastard> (raw)
In-Reply-To: <AANLkTindiB_D7shZKkrdkePM=xaAXCe1HAX5tPy87SCy@mail.gmail.com>

On Sun, Feb 20, 2011 at 11:22:34AM +0900, Ajeet Yadav wrote:
> Dear All,
> I have received a corrupted disk from team testing XFS, when I look
> hexdump of partiton. Its 0000 in first 128KB.
> Our kernel is 2.6.30.9 however we have backported XFS from 2.6.34,
> Arch MIP with VIPT cache.
> This arch previously had many issues but after properly implementing
> "xfs: fix xfs to work with Virtually Indexed architectures " most
> problem resolved.
> 
> Can anyone make guess in what case first 128KB may become NULL, I seem
> to be impossible because file system does not modify all 128KB at the
> begining of partition at once.

Something else wrote to the block device. Maybe a partitioning
program, a boot loader or possibly something else entirely...

Cheers,

Dave.
-- 
Dave Chinner
david@fromorbit.com

_______________________________________________
xfs mailing list
xfs@oss.sgi.com
http://oss.sgi.com/mailman/listinfo/xfs

      parent reply	other threads:[~2011-02-20 21:29 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-02-20  2:22 First 128KB of XFS partition is NULL Ajeet Yadav
2011-02-20  2:45 ` Ajeet Yadav
2011-02-20 21:14   ` Eric Sandeen
2011-02-20 21:32 ` Dave Chinner [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20110220213205.GD3166@dastard \
    --to=david@fromorbit.com \
    --cc=ajeet.yadav.77@gmail.com \
    --cc=xfs@oss.sgi.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox