linux-ext4 - Re: linux ext3 partition hosed, is this hardware of software error?

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Message-ID: <20081221150302.GA3457@gamma.logic.tuwien.ac.at>
Date:	Sun, 21 Dec 2008 16:03:02 +0100
From:	Norbert Preining <preining@...ic.at>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	linux-kernel@...r.kernel.org, linux-ext4@...r.kernel.org
Subject: Re: linux ext3 partition hosed, is this hardware of software error?

Hi Alan,

On So, 21 Dez 2008, Alan Cox wrote:
> >          res 41/40:40:38:3d:95/91:00:0a:00:00/6a Emask 0x409 (media error) <F>
> > ata1.00: status: { DRDY ERR }
> > ata1.00: error: { UNC }
> 
> Bad sectors

Umpf. 4 month old. INcredible rubbish.

> > Buffer I/O error on device sda3, logical block 12
> > Buffer I/O error on device sda3, logical block 13
> 
> Right near the start of the disk.

Ah, that is the reason why grub is gone.

> Make a copy of the partition with a recovery tool and write it somewhere

ddrescue? partimage? Any other suggestion?

> (file on another disk whatever) and keep it safe. Make a copy of that and
> fsck the copy. You may need to use the alternate superblock option on
> fsck for this.

Thanks, good hint, didn't know about that.

Best wishes

Norbert

-------------------------------------------------------------------------------
Dr. Norbert Preining <preining@...ic.at>        Vienna University of Technology
Debian Developer <preining@...ian.org>                         Debian TeX Group
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