[CentOS] floppy drives

[Brian Miller]

On Sun, 2013-04-07 at 16:43 -0400, mark wrote:
> On 04/07/13 16:22, Frank Cox wrote:
> > Floppy disks have a finite usable life.  Depending on where and how you have
> > been storing them, they may be shot.
> >
> Yeah, but.... I tried three of 'em, three different OEM, and three ages, 
> and they all give me fdisk saying it's not a valid block device.

If they were all written with the same drive it's also possible the head
alignment had drifted which will make things...interesting.

Try formatting a scratch floppy to see if you can write.  If that works
but you still can't read, evidence that it's indeed an alignment
mismatch.