umount: /storage: target is busy

1，无法卸载挂载的目录

# umount /storage
umount: /storage: target is busy

• 查看挂载目录占用

# lsof /storage/
lsof: WARNING: can't stat() fuse.gvfsd-fuse file system /run/user/120/gvfs
      Output information may be incomplete.
lsof: WARNING: can't stat() fuse.gvfsd-fuse file system /run/user/1000/gvfs
      Output information may be incomplete.
COMMAND   PID USER   FD   TYPE DEVICE SIZE/OFF      NODE NAME
sleep   53279 root  cwd    DIR   8,16        0 181338113 /storage/script (deleted)

# kill -9 53279

• 卸载成功

# umount /storage

参考：

1. Busy Device on Umount