From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Norbert Preining <preining@logic.at>
Cc: linux-kernel@vger.kernel.org, linux-ext4@vger.kernel.org
Subject: Re: linux ext3 partition hosed, is this hardware of software error?
Date: Sun, 21 Dec 2008 15:57:20 +0000 [thread overview]
Message-ID: <20081221155720.36b700f7@lxorguk.ukuu.org.uk> (raw)
In-Reply-To: <20081221150302.GA3457@gamma.logic.tuwien.ac.at>
> > > 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.
To be accurate - start of partition but the effect is the same yes.
> > Make a copy of the partition with a recovery tool and write it somewhere
>
> ddrescue? partimage? Any other suggestion?
ddrescue should do the trick - anything which will copy all the valid
sectors and write out the lost ones as zero or similar preserving what is
left of the file.
>
> > (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.
It's there for exactly this kind of situation.
Alan
next prev parent reply other threads:[~2008-12-21 15:57 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-12-21 14:36 linux ext3 partition hosed, is this hardware of software error? Norbert Preining
2008-12-21 14:49 ` Alan Cox
2008-12-21 15:03 ` Norbert Preining
2008-12-21 15:57 ` Alan Cox [this message]
2008-12-25 9:55 ` Norbert Preining
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