Date: Sat, 26 Oct 2013 14:55:47 -0400
From: "J. Bruce Fields" <bfields@fieldses.org>
To: Steve Dickson <SteveD@redhat.com>
Cc: Jeff Layton <jlayton@redhat.com>,
        Linux NFS Mailing list <linux-nfs@vger.kernel.org>
Subject: Re: [PATCH 0/3] mountd: disabling turning off TCP listeners (v2)
Message-ID: <20131026185547.GB17487@fieldses.org>
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On Fri, Oct 25, 2013 at 11:18:03AM -0400, Steve Dickson wrote:
> On 25/10/13 10:20, J. Bruce Fields wrote:
> >> I ideally it would be best not to have mountd at all on NFSv4-only server.
> >> > Basically, have the kernel get its exports like it gets it ID mappings.
> >> > Until that day comes, which I hope fill be soon, the TCP listener 
> >> > only effects v3 mounts and we definitely want people to use TCP
> >> > with v3. 
> > I'm not sure if we want to do that, but note one thing we'll need to do
> > before then is solve the namespace problems.  (We don't currently have a
> > good way to run the usermode helper in the right container.)
> 
> Sorry for not keeping up on the container work and possibly asking
> dumb question... but there can be different exports per container?

Yes, definitely.

> I thought it was just different IPs per container....
> 
> If so, how does that work today? 

It should work (except possibly for state recovery).  I haven't tested
it yet, though I hope to.  Stanislav has.

--b.