mdadm -D /dev/mdX
        # take note of the UUID and component devices
    mdadm --stop /dev/mdX
    
    # update mdadm.conf
    # here's some of what's on carbon right now as an example
    # Remember to update-initramfs -u after
    
    ARRAY /dev/md/quirk metadata=1.2 UUID=f87cc8e5:cd12521c:98d19111:96cb9fdb
    ARRAY /dev/md/green metadata=1.2 UUID=2dd272f2:600fed9f:87fb9d5f:483809fa
    
    mdadm --assemble --update=name $name @component_devices