Questions tagged [unmount]

Unmount refers to making the storage device like, external HDD, USB storage inaccessible to the OS. This tag can be used for questions related to mounting or unmounting of a device.

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Unmounting USB drive takes a lot of time

Whenever I transfer some data to my USB drive (even 200MB) and try unmounting it after the completion of the transfer. Ubuntu says Writing data to a USB drive, the device should not be unplugged, and ...
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22 views

Trying to unmount Logical Volume, gives error “umount: /dev/lvm3/nlv1: not mounted”

I'm fairly new to Logical Volume Management, so please bare with me. I want to unmount the logical-volume lvm3-nlv1, in order to finally delete it. Viewing mount point using lsblk When I run lsblk, ...
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1answer
31 views

Can I permanently deny Ubuntu access to a second, internal hard drive?

I have a MacBook Pro (mid 2009, El Capitan) that has two, physical, internal hard drives in it—I removed the built-in dvd drive and replaced it with a second HD. I've installed Ubuntu 20.04 on the ...
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71 views

How do I find and use `--object-path` with `udisksctl`?

I don't understand the --object-path option in the udisksctl command I want to unmount an USB thumb drive, but I don't want to have to lookup it's device name (for example /dev/sdb) at each mount. The ...
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41 views

sleep internal hdd forever

I have an internal hdd what I just rarely use under ubuntu, I want to send the hdd to sleep mode but after 10 minutes it is always wake up. I turned off in the disks to auto mount this drive after ...
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1answer
40 views

CLI command for powering off Flash-Drive “disk”

#!/bin/bash borg create /media/greg/flash-drive/borg::"$(date +%FT)" /home/greg/borg && umount -l /media/greg/flash-drive I use the above script to make backups to a thumb-...
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38 views

How to move the /var directory to /home?

I use Ubuntu 20.04 LTS, when I install it I have allocated to /var 5GB but up to now the 5GB have already finished. So for now when I want to install an application it sends the message shows that ...
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27 views

System error at shutdown unmounting external USB drive

I use an external USB hard drive for my data store. I have the drive mounted at boot time via fstab. When I first set this up when doing a fresh install of 20.04 a few months ago, everything worked ...
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63 views

How to create disk partitions without unmounting the disk?

So, I want to create a partition of 400 GB of my 1 TB HDD to install Windows 10 on it. I could usually use FDisk but I believe it requires me to have unmounted the disk. I could create a bootable USB ...
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156 views

Non Existent Volume Keeps Showing Up in Files and in Favorites Bar

Just installed Ubuntu for the first time this morning, for some reason I see a drive called "64 GB Volume" that I am unable to open or unmount. When attempting to open it I get this error, ...
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34 views

Mount HDD to a new location

My SSD(sdb) in mounted on / and HDD(sda) on /home. I want to unmount my HDD from /home and mount it on /home/naufil/Desktop. Please let me know step by step. I don't want my ubuntu to crash
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62 views

Problem with fstab

I have a linux server where i have setup a nextcloud instance. I have 2 hdd´s that i have combined to one folder to mnt/cloud. It has been working great, but over the last week it randomly unmounts &...
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Power off vs. “safely eject” or “unmount” of external devices (cameras, (android) smartphones, externally powered hdd's, etc)?

Title says it all pretty much; I would strongly assume this question would have been answered before and therefore may well be a duplicate (a very quick google and sx check didn't find retrieve ...
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20 views

Partition disk running ubuntu 20.04 [duplicate]

I have a SSD 120GB and it's running ubuntu 20.04. I want to partition this disk for install windows 10. I tried use GParted to resize but it isn't apply. And i tried to unmount and output is: could ...
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1answer
871 views

Can't unmount USB drive. Error messages say it's not mounted

I have a problem with my USB drives. I have two drives, one partition each. One is EXT4, the other FAT32. I formatted both with Ubuntu itself. They both seem "known good." If I plug both ...
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1answer
237 views

Removable USB Drive disappears from “FILES” list when closed. Can not unmount

Ubuntu 18.04. Can use the USB memory stick but, it disappears from any list (anywhere) so I can not "Eject" it. The stick keeps getting corrupted, and, I can not find any help from the OS at all. ...
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50 views

How to Connect, download photos, and disconnect Nikon Coolpix A900 using USB

When plugged in, the camera is not listed in the 'Activities', so no 'Eject' icon shows either. How do I download pictures and safely remove the camera connection?
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469 views

I think I forgot to properly eject my external hard drive. Now it won't mount

I have a decade worth of pictures on it. I'm using the 2020 version of Unbuntu Linux. I found a few threads that address this issue from years ago. Are these methods still relevant for 2020? Also, ...
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149 views

Problems executing umount in shell script but not manually

I have been creating a shell script to restore our azure fileshares when needed. Previously we executed these tasks manually and we did not have problems with that but we decided to automate those. ...
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1answer
3k views

How to Unmount Shared folder

I have used sudo mount.cifs -o username=(windows username) //(windows sharefoder IP addres)/(Windows Share folder name) /Ubuntu Share folder path to access to Windows share folder. but I cant un-mount ...
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2answers
131 views

Can I power down an external drive automatically when it unmounts?

I know this question is answered a lot, but I couldn't find a answer that make this happen automatically. What I would like is when I unmount the last partition of the the external HDD (as it may have ...
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3answers
2k views

How to unmount CD drive

I am returning to Ubuntu after some time so I am a bit rusty. My machine is running 16.04 LTS and I want to upgrade to the current 18.04. I have downloaded this and want to transfer it to a CD-R so ...
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1answer
151 views

Mount / unmount storage device what happens to files

I have problems understanding the following. In /etc/fstab I've mounted an external storage volume with: //xyz.backup.com/backup /home/me/external_backup_volume cifs user=xyz,password=xyz,users 0 0 ...
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106 views

NFS Drives Unmount Seemingly Randomly

I have an ubuntu server for media streaming at home. Everything seems to work ok. I can read and write from my mac laptop and get pretty good speeds. The drives are 2 USB external boxes (4 x 4tb and 2 ...
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1answer
89 views

Unmounting a external hard drive which has Ubuntu installed on it

I have Ubuntu installed on an external HDD drive. The laptop has Windows installed before. I started the computer, pressed F9, loaded Ubuntu, did a bit of basic programming, and then clicked ...
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2answers
1k views

Can't eject USB drive without sudo?

I'm trying to eject a USB drive in the command line with eject /dev/sdg1 but I get the following error: eject: unable to open `/dev/sdg' The command unmounts the drive but does not eject it. However,...
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4answers
1k views

umount multiple mounts under same directory

My system has a USB, an sd card and an SSD connected. I mounted all the devices USB(/dev/sdb1), SSD(/dev/sda1) and sd card(/dev/mmcblk1p1) under /mnt. Is there any way to unmount all the devices ...
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1answer
2k views

What is the correct way to unmount an NTFS external drive under Ubuntu 18?

Yesterday, I had my external USB hard drive (NTFS) connected to a client's laptop running Ubuntu 18 because I wanted to get some data off of it. When I was done, I would normally type umount /media/...
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1answer
38 views

unable to mount any drive that working fine on windows [duplicate]

Whenever I boot Ubuntu, I get a message that it cannot mount my windows partition, and I can choose to either wait, skip or manually mount. When I try to enter my Windows partition through Nautilus I ...
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3answers
19k views

How to shrink home partition on a running OS (Ubuntu linux)? [duplicate]

I want to reduce the home size. So I need to unmount it. How can I do it using gparted? 2) what type of file system is better for accessing both windows and linux.
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1answer
8k views

How do I keep a volume mounted when I boot up in Ubuntu 18.04 [duplicate]

How do I keep a volume mounted when I boot into Ubuntu 18.04 It disappears on every boot. Thank you
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2answers
5k views

USB pendrive : the copy takes about 3 minutes but the unmount takes a very long time : 10 to 12 minutes

I'm using Ubuntu 17.10. I formatted an USB pen-drive to NTFS to prepare a Windows7 USB Installer. I set the bootable flag on this pen-drive and copied the files into it. EDIT 1: The USB pen-drive ...
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62 views

Started computer, home folder moved to a separate volume, all OS settings gone

Today I started up my computer to find the desktop back to its stock look and my home folder has somehow been plucked and put into a different volume. How can something like this happen? The ...
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661 views

Automatically USB mount in /media/usb/LABEL and remove mountpoint after unplug (w/o unmount)

I'm building a little homeserver for a friend and he wants this as simple as it can get - so without the use of command line / ssh. Everything works fine now. I installed Ubuntu Server 17.10, ...
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3answers
9k views

What's the proper way to disconnect hot-swap SATA hard drive?

I'm using a SATA hot-swap bay and I have in BIOS this particular port configured specifically for "Hot-Swap". This bay has convenient "POWER ON/OFF" button, so no interruptions during plugging-in/out ...
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65 views

External Drive Shows in Files But is Not Connected and Can't Be Removed

In the file browser I see what appears to be a 3.7GB external flash drive/hard-drive connected to my computer. There is no 3.7GB drive attached to this computer. There is the usual unmount icon next ...
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1answer
190 views

Disks are mounted by themselves on Ubuntu Server 16.04

I have a luks encrypted disk that I want to unmount and sleep while it's not used. For that I use umount /mnt/4T, cryptdisks_stop 4t_crypt and finally hdparm -y /dev/disk/by-uuid/dfafea2b-7678-445e-...
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2answers
867 views

How to automatically power off usb devices after unmounting

How to create a setup such that if I unmount an USB disk then it automatically powers off too?
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1answer
293 views

Problems booting ubuntu after unmounting or formating HDD (data disk)?

After I deleted the partition on my internal HDD (only datadisk) and therefore unmounted the HDD I could not access Ubuntu 16.04 (Kernel 4.11) anymore with an error showing up Failed to start LSB: ...
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1answer
2k views

How do I properly run this systemd service on shutdown?

I am mounting my Google Drive on login using google-drive-ocamlfuse. The problem is that shutting down or rebooting now seems to have an added 2 minute pause. Now if when I unmount the Google Drive ...
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170 views

Auto unmount USB drive on logout, scary?

My machine has 2 users. Whichever user logs on first "owns" the backup drive attached by USB more or less permanently. This means that if user logs out/switch user, the second user cannot ...
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1answer
2k views

How do I mount an SD card as read/write?

I'm trying to create an installer SD card but I can't write the image to the file system because: dd: failed to open '/dev/mmcblk0p1': Read-only file system The command I'm running is: sudo dd if=...
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0answers
865 views

external hard drive constant unmount/remount

i have a similar problem to one described in this question, though i don't feel it was fully answered, and I'd like to give a bit more detail specific to my case. I had a western digital NAS ("my ...
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0answers
655 views

Ubuntu 14.04 keeps unmounting my harddrive

I am using transmission to download a file and about 5 minutes into the download transmission will say Error: Unable to save resume file: Read-only file system then if I click on any buttons in Ubuntu ...
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248 views

Unmounting encfs volumes from the nautilus side tab does not work

It is only an annoyance, but I would like to get rid of it: I can easily mount gvfs- end encfs-volumes from the nautilus side tab. I can unmount at least the gvfs-volumes easily by clicking the "eject"...
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2answers
5k views

What is mounting in Linux? [duplicate]

What does mounting really mean in Linux? And where/when can I use the mount command? I'm new to Linux so I would appreciate a detailed answer.
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0answers
28 views

i mounted my hardisk partision while instalation

while installing Ubuntu 16 i chained the partition settings in that i mounted an hard disk partition with password i want to unmount it please help me to solve this problem this blocked partition is ...
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1answer
696 views

How to give Ubuntu 16 more space [duplicate]

I know this question was answered a thousand times but I can't find a solution. So here's what I have: 128Gb SSD with Windows 10 installed 1Tb HDD with a partition of about 80Gb that I used to ...
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4answers
7k views

How to unmount MTP USB device from command line

I have both the Bus and Device numbers for a USB device I want to unmount. I tried resetting the USB device like so How do you reset a USB device from the command line? but it doesn't unmount it ...
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3answers
5k views

How can I mount an ejected USB drive without unplugging it?

I am on an Ubuntu 16.04.1 LTS system. I use udisksctl command to mount and unmount my USB flash drive, but I sometimes eject it in nautilus. I can see the device in Disks utility even after ejecting. ...