Questions tagged [unmounting]

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36
votes
6answers
168k views

Busy Device on Umount

I often experience a problem to umount a directory: umount /mnt/dir umount: /mnt/dir: device is busy There are many reasons why the device is busy. Sometimes there are processes running which have ...
2
votes
2answers
4k views

How to resolve when the IP of a NFS server changes

I have a Windows NFS server and several CentOS linux servers which were mounting volumes from it. The Windows server moved to a new network and even though DNS works and the NFS mount was mounted by ...
2
votes
0answers
916 views

Unmount external drive with LVM2 Physical Volume on it

I've got my Ubuntu 13.04 install backed up to my external hard drive using deja-dup. I formatted the drive with lvm so I could use the rest of the drive for external storage while having the resize ...
4
votes
1answer
3k views

umount failed: device busy

I have a folder in /tmp that is mounted as ramfs. After some action that my script does, I delete everything inside said folder with the command: rm -R -f "$tmp_dir"/{*,.*} Then, I try to unmount ...
2
votes
1answer
1k views

How to trigger mount/umount before/after hibernation?

How to trigger mount/umount before/after hibernation? I use s2disk. Note: Debian
2
votes
0answers
43 views

Cannot Remove (Unmount) Server Share (NFS) from Mount List [duplicate]

Note on Duplicate - This has been marked as a duplicate quite a few times, so can someone link me to a solution which works for me? Because everything I've tried in all the other posts I've found, ...
6
votes
1answer
16k views

sshfs - can't unmount the point

I mounted a folder on a remote machine using sshfs, but didn't specify -o allow_other flag thus can't access the mounted directory. When I try to mount over with -o allow_other option sshfs gives me ...
2
votes
1answer
1k views

Can AutoFS keep a share permanently mounted on Solaris?

I have a share mounted on an Oracle Solaris application server that read/writes data onto the share periodically. I have automounted it with a timeout of over several minutes but is there a way to ...
25
votes
2answers
49k views

Bash scripting - loop until return value is 0

I need to umount something in my script, but sometimes it unmount's before all of the data has finished being copied and causes the umount to fail. I looked for a way to do a "blocking" umount, but I ...
2
votes
0answers
609 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 (...
14
votes
3answers
1k views

Horrible situation - file systems mounted simultaneously by multiple independent OS instances

How do I get out of this situation safely? Details are as follow: A xen server has got block devices allocated to VMs. But these devices have also been mounted inside Xen. In fact 44 of these ...
0
votes
2answers
2k views

Fedora 18 safe remove usb drive

How can I safe remove a usb drive from the Gnome 3.6.2 GUI? This feature used to be available in the past (up to 16, I haven't used 17) from the Desktop and Computer tab in nautilus. The eject arrow ...
16
votes
5answers
32k views

How to unmount a formerly chroot'd filesystem?

I'm using a rescue-live-system (similar to a live-cd) to fix some issues with my Debian server, like that: # mkdir -p /mnt/rescue # mount /dev/md2 /mnt/rescue # mount --bind /dev /mnt/rescue/dev/ # ...
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 ...
0
votes
1answer
1k views

Recover files on unmounted partition

I have 2 partitions on my macbook, but I can't mount one of them. When I run the disk utility, the console (show details area) returns the message: Updating boot support partitions for the volume as ...
6
votes
1answer
2k views

How to mount a Truecrypt container with a timeout from the command line?

I'm mounting a truecrypt container via the command line (i.e. truecrypt file dir). Is there any way to have truecrypt automatically unmount the container after a given amount of inactivity in dir?
4
votes
2answers
3k views

umount an external ntfs drive as non-root

I have ntfs-3g installed, and use this udev rule to auto mount external drives automatically. When I try umount it as non-root, it says: umount: /media/umm is not in the fstab (and you are not root) ...
7
votes
1answer
8k views

Umount all attached usb disks with a single command

Is there a (safe) way to umount all partitions on all attached usb devices (usb-hdds, usb-sticks) with a single commandline command, including several encrypted luks partitions? Only the partitions ...
2
votes
1answer
825 views

How to prevent fs from unmounting?

I'm trying to back up a disk that has been acting very strangely lately, but my back-up attempts fail after a few minutes, because the disk's file system (at /dev/disk4) "spontaneously" unmounts. (I ...
5
votes
1answer
832 views

Unmounting HTC device takes forever

Not sure if should post this on Android SE because I don't think this is directly related to the Android OS. On my system I manually mount and umount my HTC device with these options in /etc/fstab: ...
10
votes
4answers
55k views

How can I fsck a partition when the device reads as busy (but has been confirmed otherwise)?

I'm attempting to run fsck -p /dev/sda5 to repair errors on an ext4 partition, however the command outputs fsck from util-linux-ng 2.17.2 fsck.ext4: Device or resource busy while trying to open /dev/...
62
votes
3answers
14k views

Why is 'umount' not spelled 'unmount'?

I am wondering if there is any historical or practical reason why the umount command is not unmount.
55
votes
7answers
96k views

How do I find out which processes are preventing unmounting of a device?

Sometimes, I would like to unmount a usb device with umount /run/media/theDrive, but I get a drive is busy error. How do I find out which processes or programs are accessing the device?
1
vote
2answers
1k views

How can I shutdown after unmounting a USB device from the command line?

Previously, I asked this question about how to suspend Linux after a set amount of time. I would like to ask a similar question. Supposing I have a USB device attached to my system (OS = Fedora 13), ...