#!/bin/bash
# Checks status of disks SMART

STATUS_LABEL="SMART Health Status:"
STATUS_OK="$STATUS_LABEL OK"

if [[ "$#" == "0" ]]; then
	echo "Usage: $0 <disk1> [<disk2> ... <diskX>]"
	exit
fi

for DISK in "$@"
do
	STATUS=$(sudo /usr/sbin/smartctl -H -d scsi "$DISK" | grep "$STATUS_LABEL")

	if [ "$STATUS" != "$STATUS_OK" ]; then
		echo "CRITICAL: $DISK: $STATUS"
		exit 2
	fi
done

echo "OK: $STATUS_OK"