On Fri, Jan 28, 2000 at 03:46:35PM -0400, David Maxwell wrote:
> On Fri, Jan 28, 2000 at 12:48:45PM -0600, Peter Seebach wrote:
> > In message <200001281833.KAA01010@lestat.nas.nasa.gov>, Jason Thorpe writes:
> > >The problem is that the tunefs's change of the superblock was undone
> > >by the file system writing its copy of the superblock back out to disk.
> > 
> > I found a workaround.
> > 
> > 	# kill 1
> > 	[...]
> > 	Enter pathname[...]
> > 	# sync
> > 	# sync
> > 	# tunefs -A -n enable /dev/rwd0a
> > 	# [hit power switch]

I may have missed an earlier explanation, but what is wrong about

	# shutdown now
	[ ... ]
	Enter pathname[...]
	# mount -u -o ro /
	[which _guarantees_ that the filesystem is flushed to disk, and
	wont be touched anymore]
	# tunefs
	# halt

?

Regards,
	-is