From: Eric Sandeen <sandeen@redhat.com>
Subject: Re: Issue with bad file system
Date: Mon, 19 Nov 2012 15:30:54 -0600
Message-ID: <50AAA50E.2070001@redhat.com>
References: <20121119211537.5429.qmail@science.horizon.com>
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Cc: dreusser@gmail.com, linux-ext4@vger.kernel.org
To: George Spelvin <linux@horizon.com>
In-Reply-To: <20121119211537.5429.qmail@science.horizon.com>
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On 11/19/12 3:15 PM, George Spelvin wrote:
>> There is no encryption to my knowledge (not an expert in mdadm).
> 
> linux md doesn't do encryption.  But there are other things, like
> dm-crypt, that it can be combined with to do encryption.
> 
> That doesn't look like a superblock, that looks like random bits,
> as produced by encryption or good compression.  (Could be jpeg,
> mp3, or compressed video, it's hard to tell.)

does blkid /dev/md0 and/or file -s /dev/md0 think it looks like anything other than data?

-Eric