What am I not understanding about /etc/exports?

[Jason Moss]

Can you please take me off of your mailing list.

Thanks!




On 4/10/07, David Benfell <benfell at parts-unknown.org> wrote:
> On Tue, 10 Apr 2007 15:24:26 +0300, Giorgos Keramidas wrote:
> > On 2007-04-06 20:57, David Benfell <benfell at parts-unknown.org> wrote:
> > >On Sat, 07 Apr 2007 01:56:41 +0300, Giorgos Keramidas wrote:
> > >> To allow NFS mounts to work correctly from hosts in the IP ranges
> > >> 192.168.18.XXX, 192.168.19.XXX listed in your /etc/exports file, you
> > >> will have to extend the list of addressed permitted for 'rpcbind'.
> > >
> > > I'd definitely missed that.  Unfortunately, correcting it (both on
> > > client and server) seems to have made no difference.  I still have the
> > > same symptoms, as if I need to send a HUP signal someplace (but if
> > > this is true, then where?).
> >
> > AFAIR, you have to restart at leats the following:
> >
> >     /etc/rc.d/rpcbind restart
> >     /etc/rc.d/mountd restart
> >
> Progress!  Or at least something different, now...
>
> Now it says, on the client, RPC: Program not registered.  A google
> search yielded the suggestion that I should reboot the client; this
> made no difference.
>
> Stranger still, and different from the scenario described in the
> page, there are no messages about NFS in /var/log/messages on the
> server; it notes that the slave went down (when I rebooted the client)
> and came back up, okay.
>
> On the client, I'm seeing messages from NIS indicating that it couldn't
> get a UDP handle to ypxfer.
>
> Whoops.
>
> I checked the packet filtering instructions on both systems; these
> seem okay.
>
> So I tried rebooting the server, and now I'm right back where I
> started.  But I noticed a complaint that it couldn't change the
> attributes on /usr:
>
> Apr 10 08:28:59 earth mountd[739]: can't change attributes for /usr
> Apr 10 08:28:59 earth mountd[739]: bad exports list line /usr -alldirs -maproot
> Apr 10 08:28:59 earth mountd[739]: network/host conflict
>
> I've been here before; the FAQ says, "The most frequent problem
> is not understanding the correct format of /etc/exports. Please
> review  exports(5) and the NFS entry in the Handbook, especially
> the section on configuring NFS."
>
>
> Which leads me back to the original question.  Here's the file:
>
> / -alldirs -maproot=root 127.0.0.1
> #/usr/src -alldirs -maproot=root 127.0.0.1 192.168.19.1
> /usr -alldirs -maproot=root 127.0.0.1 192.168.19.1
> /public -alldirs -maproot=root 127.0.0.1 192.168.18.45 192.168.18.46 192.168.19.1
> /home -alldirs -maproot=root 127.0.0.1 192.168.18.45 192.168.18.46 192.168.19.1
> /cdrom -alldirs,quiet,ro 127.0.0.1 -network 192.168 -mask 255.255.0.0
>
> And:
>
> lupin% showmount -e earth.cybernude.org
> Exports list on earth.cybernude.org:
> /public                            127.0.0.1 192.168.18.45 192.168.18.46 192.168.19.1
> /home                              127.0.0.1 192.168.18.45 192.168.18.46 192.168.19.1
> /                                  127.0.0.1
> lupin%
>
> As you can see, there are serious discrepancies, here.  And I cannot
> see where my syntax is correct on the lines in /etc/exports that work
> and incorrect on the lines which don't work.
>
> --
> David Benfell, LCP
> benfell at parts-unknown.org
> ---
> Resume available at http://www.parts-unknown.org/
> NOTE: I sign all messages with GnuPG (0DD1D1E3).
>
>


-- 
jason moss
vergo | design
215.805.8010
jason at vergodesign.com

www.vergodesign.com