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Ubuntu 20.04.3 LTS does not shut down with mounted external hard disk

sb flag

Hi to everybody in this forum. I do apologize if my question seems to have been answered but I do think that it hasn't since i have done my fair work of search.

Problem is very simple.

When I try to shut down my Laptop(Lenovo T550) with Ubuntu 20.04.3 LTS installed and I dont disable(unmount) my external hard disk, then it stays there for a long time and then it shows a message of the type "ubuntu systemd shutdown waiting for process: mount ntfs". I do know that Ubuntu supports ntfs so i dont understand why would put me through this !. When I disable the external hard disk then system shuts down properly.

Thank you all in advance and would appreciate some suggestions of what might be wrong.

in flag
One option would be to unmount all of your external storage right before a shutdown/reboot via a `systemd` service that calls `umount -a`. If the system can unmount all the storage *before* it begins the shutdown process, that may resolve your issue
Pythagorean avatar
sb flag
Hi and thank you for your comment. Is this a one time process or do I have to do it every time i shut down? I apologize for the question but I'm very new to linux and I do not understand a lot of it.
in flag
If you create a service with systemd, then you do it one time and *the computer* will follow the directions every time. Basically, you're telling the computer: "Do this before you shut down or reboot". There are a lot of *How to's* on creating pre-shutdown systemd services, and the `umount` command is the only thing you'll need to put into an executable script
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