# Pastebin skB7AEIg
danny@danny:~$ sudo systemctl start unmount-storage.service
Warning: unmount-storage.service changed on disk. Run 'systemctl daemon-reload' to reload units.
danny@danny:~$ sudo systemctl daemon-reload
danny@danny:~$ sudo systemctl start unmount-storage.service
danny@danny:~$ sudo systemctl stop unmount-storage.service
danny@danny:~$ systemctl status -l --no-pager unmount-storage.service
● unmount-storage.service
   Loaded: loaded (/etc/systemd/system/unmount-storage.service; enabled; vendor preset: enabled)
   Active: failed (Result: exit-code) since Sat 2016-08-06 05:31:37 EDT; 10s ago
  Process: 6480 ExecStop=/bin/sh -c /bin/umount /media/storage (code=exited, status=1/FAILURE)
 Main PID: 6429 (code=exited, status=0/SUCCESS)

Aug 06 05:31:37 danny sh[6480]:  -r, --read-only         in case unmounting fails, try to remount read-only
Aug 06 05:31:37 danny sh[6480]:  -t, --types <list>      limit the set of filesystem types
Aug 06 05:31:37 danny sh[6480]:  -v, --verbose           say what is being done
Aug 06 05:31:37 danny sh[6480]:  -h, --help     display this help and exit
Aug 06 05:31:37 danny sh[6480]:  -V, --version  output version information and exit
Aug 06 05:31:37 danny sh[6480]: For more details see umount(8).
Aug 06 05:31:37 danny systemd[1]: unmount-storage.service: Control process exited, code=exited status=1
Aug 06 05:31:37 danny systemd[1]: Stopped unmount-storage.service.
Aug 06 05:31:37 danny systemd[1]: unmount-storage.service: Unit entered failed state.
Aug 06 05:31:37 danny systemd[1]: unmount-storage.service: Failed with result 'exit-code'.
danny@danny:~$