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votes
1answer
26 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 ...
1
vote
1answer
43 views

Unmounting /usr from an external drive [closed]

I mounted /usr from the nvidia TX1 dev board to an external SSD connected to the board. I am wondering how I can restore it original state without re-flashing? If I power down,and disconnect the SSD,...
3
votes
2answers
5k views

Unable to unmount, permission denied:

I'm having trouble unmounting a mounted remote filesystem in the nautilus UI. (ubuntu gnome) It says permission denied. Am I doing right by mounting this way ? : somepass | sshfs remoteuser@host:...
0
votes
1answer
441 views

How do I set up a udev rule to mount the SanDisk Cruzer USB upon insertion in order to eliminate an fstab entry?

Suppose I run sudo mount -a after setting /etc/fstab to: /dev/usbhd1 /path/to/mount/point ntfs rw,auto,nofail 0 1 Yesterday, upon asking what steps our architect and I should do next after a ...
-1
votes
1answer
429 views

Unable to detach a USB device on Ubuntu 14.04

I was using udisks to unmount and detach USB devices with following commands which work just fine on Ubuntu 10.04: udisks --unmount /dev/sdb1 udisks --detach /dev/sdb Because udisks is not available ...
1
vote
0answers
819 views

Unmounting external drive takes tremendously long

This morning I copied around 200GB of data to a quite old USB2.0 1TB external drive. The copying took around 2 or 3 hours. Afterwards I unmounted & the unmounting is still going on (after more ...
2
votes
0answers
903 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 ...
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, ...
10
votes
4answers
54k 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/...