[Unit]
Description=Umount PEK
DefaultDependencies=no
After=cryptsetup.target
Before=zfs.target

[Service]
Type=oneshot
ExecStart=/usr/bin/umount /mnt/pek
ExecStart=/usr/bin/beep -f 880 -l 125 -r 2

[Install]
WantedBy=multi-user.target