In message <20000128210005.A455@jocelyn.rhein.de>, Ignatios Souvatzis writes:
>	# shutdown now
>	[ ... ]
>	Enter pathname[...]
>	# mount -u -o ro /
>	[which _guarantees_ that the filesystem is flushed to disk, and
>	wont be touched anymore]
>	# tunefs
>	# halt

I think my original trouble was that 'tunefs' was refusing to run on wd0a,
even if it was just called "root_device", so I was feeling paranoid.  ;)

-s