+for device in /dev/[hs]d[a-z][0-9]*
+do
+ if ! [ -b "${device}" ]
+ then
+ continue
+ fi
+
+ /lib/udev/vol_id ${device%%[0-9]*} | grep -q "^ID_FS_USAGE=raid" && continue
+
+ magic=$(/bin/dd if="${device}" bs=4086 skip=1 count=1 2>/dev/null | /bin/dd bs=10 count=1 2>/dev/null) || continue