[LUNI] Resizing my LVM

[Joe Digilio]

On 5/25/07, Jay Strauss <me at heyjay.com> wrote:
> > > Contrariwise, if you do need to run the filesystem resize offline, you
> > > might encounter some difficulty unmounting /home if you get root by
> > > su[do] from a normal login.
> > > promised?
> >
> >
> > cd / ; sudo umount /home
> >
> > Should work just fine.
>
> I'm unable to umount /home.  I keep getting resource busy even though
> I've shut off samba, and I'm the only one logged into the box

As root:
lsof | grep /home

That will tell you what files/directories are in use (what process
owns them, etc)