Re: Can't mount nfs rw

["Nicholas Lafferty" <nlafferty@pennswoods.net>]

Unfortunaly they are on the same filesystem. I'm mounting / as /ro on the
client and symlinking to the need directories. I changed / to export as rw
and then I remount / onto /ro as ro after the system boots. Does that sound
like a safe workaround?

Thanks,
Nick

----- Original Message -----
From: "Neil Brown" <neilb@cse.unsw.edu.au>
To: "Nicholas Lafferty" <nlafferty@pennswoods.net>
Cc: "nfs" <nfs@lists.sourceforge.net>
Sent: Thursday, September 05, 2002 8:24 PM
Subject: Re: [NFS] Can't mount nfs rw


> On Thursday September 5, nlafferty@pennswoods.net wrote:
> > I'm not quite sure I know your perlf00. What does :   perl -i -p -e
> > 's,192.168.0.0\(,192.168.0.0/255.255.255.0\(,' /etc/exports  actually
do? I
> > issue the command and it just hangs. Does it change my exports file in
some
> > way?
>
> Hmmm. The command worked for me.
> It uses perl to do an in-place (-i) edit of /etc/exports which
> changes every
>    192.160.0.0(
> to
>    192.160.0.0/255.255.255.0(
>
> Producing
> / 192.168.0.0/255.255.255.0(ro,no_root_squash)
> /home/guest/share       192.168.0.0/255.255.255.0(ro,no_root,squash)
> /home/guest/01            192.168.0.0/255.255.255.0(rw,no_root_squash)
> /home/guest/02            192.168.0.0/255.255.255.0(rw,no_root_squash)
> /home/guest/03            192.168.0.0/255.255.255.0(rw,no_root_squash)
>
>
> As it was, the only filesystem that was exported to 192.168.*.* was /,
> and it was exported read-only, just as you reported.
>
> Note: this will only work if /home/guest/* are on a different
> filesystem to /.  If they are on the same filesystem, you may as well
> just export '/' rw.
>
> NeilBrown
>
> >
> > Thanks,
> >
> > Nick
> >
> > ----- Original Message -----
> > From: "Neil Brown" <neilb@cse.unsw.edu.au>
> > To: "Nicholas Lafferty" <nlafferty@pennswoods.net>
> > Cc: "nfs" <nfs@lists.sourceforge.net>
> > Sent: Wednesday, September 04, 2002 10:34 PM
> > Subject: Re: [NFS] Can't mount nfs rw
> >
> >
> > > On Wednesday September 4, nlafferty@pennswoods.net wrote:
> > > > I'm having problems getting my diskless clients to mount NFS
directories
> > in
> > > > Read-Write mode. I'm using bpbatch and tftp to transfer the kernel
and a
> > > > ramdisk for the root file system. I pass an initscript to the kernel
> > that
> > > > mounts the root file system of the server as read-only (mounts on
/ro),
> > > > /home/guest/share mounts as ro2 (read-only), and /home/guest/01
mounts
> > as
> > > > /rw (read-write). Then init is invoked. The problem is that all of
the
> > > > mounts are read-only.
> > > >
> > > > #Here is what my initscript does for the mounts.
> > > > mount-t nfs -o nolock,ro,vers=2 $SERVER:/      /ro
> > > > mount-t nfs -o nolock,ro,vers=2 $SERVER:/home/guest/share      /ro2
> > > > mount-t nfs -o nolock,rw,vers=2 $SERVER:/home/guest/$ID      /rw
> > > >
> > > > /sbin/init '#'
> > > >
> > > > # Here is my /etc/exports
> > > > /
> > > > 192.168.0.0/255.255.255.0(ro,no_root_squash)
> > > > /home/guest/share       192.168.0.0(ro,no_root,squash)
> > > > /home/guest/01            192.168.0.0(rw,no_root_squash)
> > > > /home/guest/02            192.168.0.0(rw,no_root_squash)
> > > > /home/guest/03            192.168.0.0(rw,no_root_squash)
> > > >
> > > > Any suggestions on some other things to try?
> > > >
> > >
> > >
> > > perl -i -p -e 's,192.168.0.0\(,192.168.0.0/255.255.255.0\(,'
/etc/exports
> > >
> > > NeilBrown
> > >
> > >
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