#!/bin/sh

DISKS="$(echo /dev/sd?)"

PATH=$PATH:/sbin:/usr/sbin

for i in ${DISKS}
do
	SMARTDATA=$(smartctl -a $i | \
	egrep 'Device Model:|Serial Number:|Reallocated_Sector_Ct|Current_Pending_Sector|Offline_Uncorrectable|failed|Unknown USB' | \
	grep -v ' -  *0$')
	LINES=$(echo "${SMARTDATA}" | wc -l)
	HEAD=$(echo "${SMARTDATA}" | \
	       sed -n -e 's/Device Model: //p' \
		      -e 's!Serial Number:!S/N!p')	
	BODY=$(echo "${SMARTDATA}" | \
	       awk '$2 ~ /Reallocated_Sector_Ct/	{ printf "Reallocated Sectors:   %3d\n", $10 }
		    $2 ~ /Current_Pending_Sector/	{ printf "Current Pending Sect:  %3d\n", $10 }
		    $2 ~ /Offline_Uncorrectable/	{ printf "Offline Uncorrectable: %3d\n", $10 }
		    $0 ~ /failed:.*AMCC/		{ printf "Unsupported AMCC/3ware controller\n" }
		    $0 ~ /SMART command failed/		{ printf "Device does not support SMART\n" }
		    $0 ~ /Unknown USB bridge/		{ printf "Unknown USB bridge\n" }
		'
	     )
	if [ $LINES -eq 2 ]
	then
		echo === $i : ${HEAD} OK
	else
		echo === $i : ${HEAD} "*** ERRORS ***"
		echo "${BODY}" | sed -e 's/^/	/'
	fi
done