# mdadm --examine /dev/sd* | grep -i uuid
           UUID : 1c2d7311:c6b39a77:188edc34:4aa1c004
           UUID : 1c2d7311:c6b39a77:188edc34:4aa1c004
           UUID : 1072c19c:6a50e9c5:188edc34:4aa1c004
           UUID : 1072c19c:6a50e9c5:188edc34:4aa1c004