On Sun, 9 Mar 2003, Peter Seebach wrote:

> So, I have a small mfs filesystem, union-mounted over a directory.
>
> If I create a file there, and then delete it, the space is not reclaimed.
> If I unmount the union mount, it frees up, and then if I redo the union
> mount, all is well... but surely I don't need to do that!

Similar problem with nullfs too (which is what I use for my live CD).

I wonder if this workaround will help...
http://mail-index.netbsd.org/tech-kern/2003/02/15/0004.html

   Jeremy C. Reed
   http://bsd.reedmedia.net/