In message <199904302236.QAA43533@shell.aros.net>, "Michael K. Sanders" writes:
>Well, for some reason, the BIOS thought my WD21600 was a ~500MB drive.
>Any other ideas?

That sounds very much like a cylinder grouping thing.

What I do whenever I have trouble like this is:
# disklabel -W xx0
# dd if=/dev/zero of=/dev/rxx0c bs=512 count=16
# reboot

:)

Then I try again.

BTW, "16" is too high; I think it's just 2 blocks, really.

-s