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0answers
22 views

removed devices still appear as attached

Linux, Centos 7 I removed USB hard drives from my machine. They are /dev/sdb and /dev/sdc. I think they were not properly umounted before removal. I have since tried to umount them (also with -l). ...
0
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2answers
27 views

umount device or mount point?

Is there a more-correct way to unmount a device/filesystem/etc? Should I umount the device I originally mounted or the mount point? mount /dev/sda1 /mnt/myusbstick do stuff umount /mnt/myusbstick ...
0
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0answers
19 views

How can I force delete a faulty drive from the Linux device mapper?

I have a faulty HDD which sometimes fails to spin up. It doesn't contain anything important, just my home directory and some multimedia files, so I don't care if the filesystem crashes. However, it's ...
0
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0answers
12 views

Configure non-root to umount any subdirectory

I know that it can add something like hatman ALL = NOPASSWD:/bin/umount /a/mount/point/directory to allow the user hatman to call sudo /bin/umount /a/mount/point/directory BUT... What I really ...
0
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1answer
84 views

How to properly clone /dev/sda on /dev/sdb

I have two hard disks with the same sizes - represented as /dev/sda and /dev/sdb. I am trying to copy /dev/sda on /dev/sdb. /dev/sda has one ext3 partition. /dev/sda and /dev/sdb have the same ...
3
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1answer
41 views

Using dd command fails after the first mount

I am using dd command to copy disk drive /dev/sda on /dev/sdb. What I do is the following: I run dd if=/dev/sda of=/dev/sdb then mount /dev/sdb1 (note that /dev/sdb1 is not mounted on boot) to make ...
1
vote
1answer
136 views

How to unmount dvd (external usb) via eject button on device?

I have an problem with my external usb Dvd-Drive. Everything works fine, the mount works, unmount or eject via shell works. But if I press the eject button on the device it just eject the dvd but does ...
0
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1answer
62 views

How to recover from an “umount -a -l”

So I did this silly thing: umount -a -l And had nothing in my fstab so couldn’t do mount -a So I thought: “It will be ok when restart” … But no. Now I'm stuck at launch and I don't have anything ...
0
votes
1answer
84 views

Does linux perform a pumount on shutdown?

I'm using raspbian debian wheezy. I automatically mount USB drives using usbmount. I mount FAT usb drives with the flush option. Now I was wondering. When I shutdown my pi, does it perform the umount ...
0
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0answers
65 views

I couldn't umount a logical volume on suse

sandipani:~ # lsof | grep lvolume100 sandipani:~ # fuser /lvolume100 sandipani:~ # umount /lvolume100 umount: /lvolume100: device is busy. (In some cases useful info about processes that use ...
3
votes
1answer
602 views

How to stop jbd2 to release a device

In an AWS EC2 instance, we have multiple EBS volumes. When I try to detach any of them, the umount command works, but the device can't be detached. # grep -c xvdj /proc/mounts 0 However, lsof ...
0
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1answer
330 views

Error mounting fstab

I have read many questions and answers in this and other forums before asking. I watched videos on Youtube to learn how to deal with the fstab file too. So forgive me for bringing back this doubt ...
1
vote
0answers
330 views

fuse + encfs, can mount but cannot unmount with fusermount

I created two directories in home, and mounted them with default configurations with encfs. That worked well enough, the file system is mounted and encrypted fine. The odd part now is that I cannot ...
0
votes
1answer
834 views

device or resource busy, despite that it is not mounted and nobody is using it

> sudo rmdir workspace/log rmdir: failed to remove `workspace/log': Device or resource busy >sudo umount workspace/log umount: workspace/log: not mounted >fuser workspace/log > >lsof ...
0
votes
3answers
692 views

How to unmount a USB drive which is not mounted under /media directory

I am running Gnome 3 on Debian Wheezy. I want to unmount a USB drive without sudo or root privileges. I've googled and found out that there are eject and pumount commands available. However, those ...
1
vote
1answer
3k views

Partition went read-only, how to mount it again?

Every now and then the partition of my Linux installation goes read-only. Since the computer is a laptop, I suppose it's due to some writing error caused by some harsh movement. Partition was mounted ...
0
votes
1answer
283 views

How to umount file.tar.bz (that was mounted with archivemount) without needing sudo

As a regular user I mount my archive files with this: #!/bin/sh ARCHIVEF=$(zenity --file-selection --filename=/shared/); archivemount $ARCHIVEF /media/archivemount/ Unfortunately, sudo is required ...
0
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1answer
308 views

LXDE - what command is isued when “eject” icon is pressed to umount FS

Hello I have Fedora 16 with LXDE and I want to connect ipod shuffle 2nd gen 1GB. According to this page ipod shuffle led blinking codes when amber LED is blinking this means that device is accessing ...
0
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1answer
2k views

How to umount vdi mounted with vdfuse

in my Ubuntu 12.10 machine install virtualbox-fuse and mount a .vdi file but now i dont know how to umounted Command used to mount .vdi file $ vdfuse -f /home/rkmax/win.vdi /mnt $ mount ...
2
votes
3answers
266 views

What exactly happens when you “mount” a drive?

What underlying things happen when you mount a drive. Even when a drive isnt mounted, it is visible to the computer (such as sudo fdisk -l / diskutil -list). When a drive is mounted, is all that is ...
-1
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1answer
845 views

Why do macs require to eject usb, but windows and linux dont?

Why do macs require a usb drive to be ejected, but windows and linux do not? Is a umount occuring on the mac?...if so why doesnt linux need a umount?...also if so, what is the windows equivalent of ...
3
votes
2answers
6k views

why can't I umount /home?

I'm trying to create a new partition on my Linux system, my intent is to take a small amount of my /home filesystem and change the type for experimentation. I'm using OpenSuse 12.1 in a virtual box. ...
3
votes
2answers
635 views

Why Linux /etc/fstab UUIDs are case sensitive?

I recently added a line for a USB memory stick to /etc/fstab, to be able to mount it automatically, using UUID to identify the device. Before I already have several external ext4 drives that have ...
2
votes
3answers
4k views

How to umount / ? It's busy

I'm trying to use zerofree, which seems to be the answer for this: How to reduce VM size? I have successfully umounted /dev/sda1, and zerofree worked fine, releasing ~37gb. But I can't seem to ...
9
votes
1answer
6k views

Why is “sudo unmount” required for unmounting an sshfs-mount if it was mounted without sudo privilges?

I have an sshfs FUSE filesystem mounted in ~/mountpoint. I tried umount mountpoint and diskutil unmount mountpoint (on a Mac here) and both failed. I used sshfs -o IdentityFile=<key> ...
11
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5answers
11k views

Lazy umount or Unmounting a busy disk in Linux

I have read that it is possible to 'umount' a disk that is otherwise busy by using the 'lazy' option. The manpage has this to say about it: umount - unmount file systems -l Lazy unmount. ...
0
votes
2answers
319 views

Unmount One hard-drive and re-mount it as another directory in Unix

I recently got my first Unix Dedicated Sever running CentOS I just ran df -h and found this: Filesystem Size Used Avail Use% Mounted on /dev/mapper/VolGroup00-LogVol00 ...
3
votes
1answer
997 views

How do I umount device that has been mounted twice

I have a /dev/sdf mounted to /mnt/db and accidentally mounted it again to /mnt/db2 (I intended to mount /dev/sdh). Is there any way to umount /dev/sdf but only for the 2nd mount? The /mnt/db ...
0
votes
1answer
533 views

Explain why unmounting of DVD/CDROM media via command line says “its busy”

I'm communicating a bug on Bugzilla regarding DVD and HFS+ with Fedora 15 that requires me to mount many disks to my system. (I'm not CS, nor am I a newbie so there are bits here and there missing ...
2
votes
2answers
123 views

Unmount unnecessary drives

My disk position looks like this: # df -HP Filesystem Size Used Avail Use% Mounted on /dev/sda2 256G 177G 67G 73% / /dev/sda1 510M 18M 467M 4% ...
0
votes
0answers
589 views

How to free up block device that is mounted to an inaccessible place?

root@vi-notebook:~# cat /proc/mounts | grep raidy /dev/md0 /root/e/i/wpc2/boot/mnt/raidy reiserfs ro,nosuid,nodev,noexec,noatime 0 0 root@vi-notebook:~# umount -n /root/e/i/wpc2/boot/mnt/raidy ...
10
votes
4answers
15k views

How to really force unmount a filesystem (without manual investigation why is it busy)

How to unmount a filesystem in Linux without investigating why is it busy? I want to do it in one command. It should handle applications using that filesystem, submounts, containers (lxc-execute -n ...