Date: Wed, 6 Aug 2003 12:14:32 +0200
From: Stephan von Krawczynski <skraw@ithnet.com>
To: Neil Brown <neilb@cse.unsw.edu.au>
Cc: muizelaar@rogers.com, linux-kernel@vger.kernel.org,
       mru@users.sourceforge.net
Subject: Re: FS: hardlinks on directories
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On Wed, 6 Aug 2003 11:12:38 +1000
Neil Brown <neilb@cse.unsw.edu.au> wrote:

> On Tuesday August 5, skraw@ithnet.com wrote:
> > > > Hm, and I just found out that re-exporting "mount --bind" volumes does
> > > > not work over nfs...
> > > > 
> > > > Is this correct, Neil?
> > > 
> > > Yes, though there is a reasonable chance that it can be made to work
> > > with linux-2.6.0 and nfs-utils-1.1.0 (neither of which have been
> > > released yet:-)
> > 
> > Is this a complex issue? Can you imagine a not-too-big sized patch can make
> > it work in 2.4? What is the basic reason it does in fact not work?
> 
> On reflection, it could probably work in 2.4 and current nfs-utils,
> but admin might be a bit clumsy.
> 
> To allow knfsd to see a mountpoint, you have to export the mounted
> directory with the "nohide" option.  Currently "nohide" only works
> properly for exports to specific hosts, not to wildcarded hosts or
> netgroups.
> So if your /etc/export contains:
> 
>   /path/to/some/--bind/mountpoint servername(nohide,....)
> 
> for every mountpoint and every server, then it should work.

Hm, bad luck. I tried and it did not work. I used 2.4.20 kernel, are there
chances a later kernel might work?

Regards,
Stephan
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