In message <20010427160928.A10917@antioche.lip6.fr>, Manuel Bouyer writes:
>On Fri, Apr 27, 2001 at 09:17:33AM -0400, Steven M. Bellovin wrote:
>> This brings up a question I've had -- what, precisely, does one have to 
>> say to make that work?
>> 
>> On my NetBSD machines, I have two file systems, / and /usr.  Is it 
>> possible to have upgrade sets on /usr when doing an upgrade?  I 
>> couldn't figure out how to make that work.  When I treated /usr as 
>> unmounted, it always claimed there was no such path; when I treated it 
>> as mounted, it complained that it couldn't mount /usr.  
>
>I think you should threat is as mounted, but not mounting it by hand.
>Sysinst will mount it for you just before looking for the sets
>
>I know, it's not very intuitive :)

I see...

No, it's not very intuitive.  It's also not documented, and something 
like that should be.

		--Steve Bellovin, http://www.research.att.com/~smb