From mboxrd@z Thu Jan  1 00:00:00 1970
From: jeffs_linux@123mail.org
Subject: Re: Bug or not?  Same array reports different/transformed UUID
 depending on check-method used.
Date: Tue, 21 Jun 2011 05:50:49 -0700
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 <20110621054258.GA22391@maude.comedia.it>
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To: Luca Berra <bluca@comedia.it>, linux-raid@vger.kernel.org
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On Tue, 21 Jun 2011 07:42 +0200, "Luca Berra" <bluca@comedia.it> wrote:
> The map_file, on the contrary, is always read and written as 4 32bit
> values in host endian order, so on x86 machines you will find it
> swapped.
> 
> Summary: the mapfile is for mdadm internal use only, use mdadm commands
> (--detail, --examine) to obtain data.
> 
> (*) http://en.wikipedia.org/wiki/Endianness

Ok.

How might that explain that one array IS 'swapped', and the other is
not?  They're both on the same machine?

jeff