BruceM@cat.co.za wrote:

> How do I set up a file system for md0?

You have to set memory disk filesytem image to your kernel.
See mdsetimage(8), distrib/i386/floppies/bootfloppy-common/Makefile.inc
and so on.
---
Izumi Tsutsui
tsutsui@ceres.dti.ne.jp