10 Jan
2017
10 Jan
'17
9:06 p.m.
On 10/01/17 14:28, Chris Green wrote:
Is there any way to unmount an ext4 filesystem without shutting down?
I can do it easily by going to single-user mode or removing the filesystem from /etc/fstab and rebooting but both of these require the system to be shut down.
However it seems to be impossible otherwise because the journalling process makes the filesystem busy. Is this right?
It should be as simple as sudo umount /mnt/mountpoint for the appropriate mountpoint, or sudo umount /dev/sdb1 for the appropriate device & partition number
A list of mounted drives can be seen by just typing mount
As Jonathon said, something could be using it which could be locking the drive
Good luck Steve