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Date: Mon, 13 Oct 2003 09:24:02 -0500
From: Chuck Campbell <campbell@accelinc.com>
To: linux-kernel@vger.kernel.org
Subject: Re: Why are bad disk sectors numbered strangely, and what happens to them?
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On Mon, Oct 13, 2003 at 07:24:00PM +0900, Norman Diamond wrote:
> 
> I agree, we are not sure if a read will do that.  That is the reason why two
> of my preceding questions were:
> 
>    How can I find out which file contains the bad sector?  I would like to
>    try to recreate the file from a source of good data.

this was gibven to me  on this list by Al Viro a couple of years back.  
Worked fine for me.

find /usr/lib -type f|sed -e 's!.*!cat & >/dev/null || echo &!'|sh

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