This is probably the answer.

Unlike CDROMs, there is no good way for the system to tell when a floppy 
is removed or replaced. Its a reflection of when the basic technology was 
developed (floppys late-70's, CDROMs 80's), more than anything else.

Bob.

On 2002.01.18 16:07 Matt Alexander wrote:
> Did you umount the old floppy before you removed it?
> 
> 
> On Fri, 18 Jan 2002, Jim wrote:
> 
> > -----BEGIN PGP SIGNED MESSAGE-----
> > Hash: SHA1
> >
> > How do I get my system to reread the contents of the floppy?  When I do
> an ls
> > - -la I see the stuff that I created on a floppy a while back.  I now
> have a
> > different floppy in it, but it still lists the old data files.
> >
> > TIA
> > - --
> > Jim
> >
> > Freedom is worth preserving
> > -----BEGIN PGP SIGNATURE-----
> > Version: PGP 6.5.8
> >
> > iQA/AwUBPEilPysk3ywszI1FEQLefQCg8iXiCBTi6edjDM9AWhcQyq77zuUAoOAu
> > wBzGM6umFnpei6kcU0ecV3pF
> > =mzZg
> > -----END PGP SIGNATURE-----
> > ________________________________________________
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> 
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-- 
Robert A. Klahn
rklahn@acm.org

"Hope has two beautiful daughters: Anger and Courage. Anger at the way
things are, and Courage to struggle to create things as they should be." -
St. Augustine