From mboxrd@z Thu Jan  1 00:00:00 1970
From: Miquel van Smoorenburg <mikevs@xs4all.net>
Subject: Re: Issue recovering a md device with first 4kB lost.
Date: Tue, 09 Oct 2012 09:16:57 +0200
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To: Massimo Gais <massimo.gais@iki.fi>
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On 9-10-12 12:46 AM, Massimo Gais wrote:
> I think all what is missing in order to access the ext4 filesystem is
> the md superblock, but what can I do to recreate it?

If you know where the ext4 filesystem starts, and you just want to 
access it, then why not use a loopback device with an offset to get at 
the filesystem ?

Something like

	losetup -o <offset-of-ext4-fs> /dev/loop0 /dev/sdd5
	mount -text4 -o ro /dev/loop0 /mnt

Mike.