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votes
1answer
20 views

How to find out which process keeps an LVM partition from unmounting *during shutdown*?

I see that LVM1 (/dev/mapper/lvm1--vg-lvm1--lv) fails to umount during the shutdown, when I cannot run one of the many options to find out which process or user is holding up the mountpoint. It also ...
4
votes
1answer
7k views

Why do I get the error “failed unmounting /var” during shutdown?

I have a fresh install of Debian 9.0.0. It has a separate 1 GB partition for /var formatted at ext4. When I shutdown from the terminal, using shutdown -h now, there is a bright-red error message ...
1
vote
1answer
101 views

Safely remove needed before rebooting or shutting down computer?

Is it necessary to use the safely remove function to safely remove your usb stick or external hard drive before rebooting, shutting down computer, using standby or hibernation mode? (or is this done ...
5
votes
2answers
3k views

systemd: running a script on shutdown after filesystems are mounted read-only

Is there a way to run a script on shutdown, after the file system is remounted as read-only? I've a raspberry pi connected to a wireless socket, which I can control via a sender and a script. I want ...
5
votes
2answers
6k views

Umount network drives with systemd before shutdown

My shutdown takes quite a long time (I'm on Debian 8.1) and I found out that it can be fixed by unmounting the network drive before shutting down the system. Apparently the network gets disconnected ...
1
vote
1answer
113 views

On shutdown, do un-mounting drives happen before shutdown signal handling?

So based on my understanding of the Unix/Linux shutdown process (which is highly limited I admit), I think at some point these steps happen: 1. mounted drives get unmounted 2. a termination signal ...
0
votes
1answer
2k views

Should tmpfs be unmounted at system shutdown?

Assume I have a linux system with the following partitions mounted (beside root): proc on /proc devtmpfs on /dev devpts on /dev/pts tmpfs on /dev/shm sysfs on /sys tmpfs on /var/run tmpfs on /...
2
votes
0answers
608 views

Fedora 18 doesn't shutdown , restart or sleep / can not unmount all file systems

When I do something (whatever) that results in a shut down, restart or sleep (for example usual shut down or restart, closing the lid, etc.), fedora 18 (x86_64 , GNOME desktop) comes up with an error (...
5
votes
3answers
2k views

Ensure that loopback root and host are unmounted on shutdown

I'm trying to setup a Linux system that runs from an LVM-formatted image file. After some tinkering with the initramfs and boot options I managed to make it up and running by mounting the host file ...