From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Peter Sangas" <pete@wnsdev.com>
Subject: RE: Read data from disk that was part of RAID1 array
Date: Fri, 17 Mar 2017 16:17:42 -0700
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> From: Peter Sangas [mailto:pete@wnsdev.com]
> I have only one disk from a RAID1 array and I would like to read data from
one of the
> partitions.  This there a way to mount this and read the data?

This worked for me:

mdadm --create /dev/md10 -l 1 -n 2 /dev/sda missing     md10 is chosen to
avoid conflicts with existing RAID1

mount /dev/md10 /mnt