When there are network issues or the NFS server is down you cannot access to your nfs share, but also you cannot unmount.
To force dismount you can use “-l” flag (lazy umount):
# umount -l /mnt/nfs
When there are network issues or the NFS server is down you cannot access to your nfs share, but also you cannot unmount.
To force dismount you can use “-l” flag (lazy umount):
# umount -l /mnt/nfs