[Unit]
Description=Tune IDE hard disks
DefaultDependencies=no
Before=shutdown.target
Conflicts=shutdown.target
RequiresMountsFor=/var/lock
After=systemd-udevd.service

[Service]
Type=oneshot
RemainAfterExit=yes
ExecStart=/etc/init.d/hdparm start
ExecStop=/etc/init.d/hdparm stop

[Install]
WantedBy=sysinit.target