What am I not understanding about /etc/exports?

[David Benfell]

On Tue, 10 Apr 2007 21:50:26 +0400, Boris Samorodov wrote:
> On Tue, 10 Apr 2007 20:34:31 +0300 Giorgos Keramidas wrote:
> > On 2007-04-10 08:55, David Benfell <benfell at parts-unknown.org> wrote:
> > > 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.
> 
> > Hmmm, something odd is going on.  Can you show us the output of the
> > command:
> 
> >     % cat -vte /etc/exports
> 
> And:
> 
> % df
> 
> as well.
> 
On the server:

earth% df
Filesystem  1K-blocks     Used    Avail Capacity  Mounted on
/dev/ad0s1a  62963306 16456346 41469896    28%    /
devfs               1        1        0   100%    /dev
/dev/ad0s1d  62963306   208880 57717362     0%    /var/db
/dev/ad2s1d  76168552 48096588 21978480    69%    /home
/dev/ad3s1d   8122126        4  7472352     0%    /rvm/data
/dev/ad3s1e   1012974        4   931934     0%    /rvm/log
/dev/ad3s1f  26657356        4 24524764     0%    /vicepa
/dev/ad2s1e  75200072  2518722 66665346     4%    /public
/dev/ad0s1e  63274730  6595650 51617102    11%    /reserve
linprocfs           4        4        0   100%    /usr/compat/linux/proc
(sfs)               0        0        0   100%    /sfs
(sfswait)           0        0        0   100%    .
/dev/cd0       143168   143168        0   100%    /cdrom

On the client:

lupin% df
Filesystem           1K-blocks     Used    Avail Capacity  Mounted on
/dev/ad0s1a             507630   398116    68904    85%    /
devfs                        1        1        0   100%    /dev
/dev/ad0s1e             507630      284   466736     0%    /tmp
/dev/ad0s1f           31283108  7822324 20958136    27%    /usr
/dev/ad0s1d            2525166    74342  2248812     3%    /var
192.168.19.243:/home  76168552 48096604 21978464    69%    /home
linprocfs                    4        4        0   100%    /usr/compat/linux/proc

I considered the possibility that /usr/compat/linux/proc might
be a problem *on the client*, but umounting it there made no difference.
I'm assuming it can't make any difference on the server side, and I had
previously tried a more specific directory--/usr/ports--with the same
result.

What I would realoly like to do is share /usr/src--if that won't screw up
a buildworld--and /usr/ports/distfiles; I'm assuming sharing more could
create problems.

Thanks!
> 
> WBR
> -- 
> Boris Samorodov (bsam)
> Research Engineer, http://www.ipt.ru Telephone & Internet SP
> FreeBSD committer, http://www.FreeBSD.org The Power To Serve
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-- 
David Benfell, LCP
benfell at parts-unknown.org
---
Resume available at http://www.parts-unknown.org/
NOTE: I sign all messages with GnuPG (0DD1D1E3).
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