#nfsclient

How to: Force unmount of NFS-mounted directory

Force unmount of NFS-mounted directory

I have an NFS-mounted directory on a Linux machine that has hung. I’ve tried to force an unmount, but it doesn’t seem to work:

$ umount -f /mnt/data $ umount2: Device or resource busy $ umount: /mnt/data: device is busy

If I type “mount“, it appears that the directory is no longer mounted, but it hangs if I do “ls /mnt/data“, and if I try to remove the…