hdd-smart-info

#!/bin/bash

set -uo pipefail
IFS=$'\n\t'

for disk in "$@"; do
    \echo "$(\date): turn on smart ${disk}"
    \smartctl --smart=on --saveauto=on "${disk}"
    \echo "$(\date): wipe 1/2 ${disk}"
    \dd if=/dev/urandom "of=${disk}" bs=1024k || \true
    \echo "$(\date): wipe 2/2 ${disk}"
    \dd if=/dev/urandom "of=${disk}" bs=1024k || \true
    \echo "$(\date): test ${disk}"
    if ! \smartctl -t long -C "${disk}" ; then
	\smartctl -t long "${disk}"
	\sleep 60
	while \smartctl -a "${disk}" | \grep -e '% of test remaining.' ; do
	    \sleep 60
	done
    fi
    \echo "$(\date): report ${disk}"
    rand=$(\hexdump -vn8 -e'4/4 "%08X" 1 "\n"' /dev/urandom)
    \smartctl -i -a "${disk}" > "${rand}.txt"
    sn=$(\grep -e '^Serial Number:' "${rand}.txt" | \sed 's/^.* //' )
    if [ -n "${sn}" ]; then
	\mv -f "${rand}.txt" "${sn}.txt"
	\echo >>  "${sn}.txt"
	\echo -n "${sn}" | \shasum >> "${sn}.txt"
    fi
done