QNAP /tmp/config/autorun.sh for disabling advanced power management (APM) for noisy HDDs

autorun.sh

#!/usr/bin/env bash

# SOURCES:
# https://www.brainbytez.nl/tutorials/qnap-nas-fix-the-seagate-chirp-sound/

# Disable advanced power management (APM) for noisy Seagate drives
# qcli_storage
hdparm -B 255 /dev/sda
hdparm -B 255 /dev/sdb
hdparm -B 255 /dev/sdc

edit_autorun.sh

#!/usr/bin/env bash

# SOURCES:
# https://wiki.qnap.com/wiki/Running_Your_Own_Application_at_Startup

mount $(/sbin/hal_app --get_boot_pd port_id=0)6 /tmp/config
touch /tmp/config/autorun.sh
chmod +x /tmp/config/autorun.sh
$EDITOR /tmp/config/autorun.sh
umount /tmp/config