Date: Wed, 22 Feb 2012 20:45:14 -0500
From: "J. Bruce Fields" <bfields@fieldses.org>
To: Peter Horvath <peter.horvath77@googlemail.com>
Cc: linux-nfs@vger.kernel.org
Subject: Re: NFSv4 client restriction
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On Thu, Feb 23, 2012 at 01:24:35AM +0000, Peter Horvath wrote:
> It is a vmware RDM disk mounted /srv
> It is the same filesystem.
> Do you say this config would work if i use separate partition for the
> separate directories?

Yes, I expect so.

--b.

> 
> On 23 February 2012 01:01, J. Bruce Fields <bfields@fieldses.org> wrote:
> > On Wed, Feb 22, 2012 at 07:24:12PM +0000, Peter Horvath wrote:
> >> We are using Ubuntu LTS 10.04 servers and clients.
> >> NFS version is the following:
> >> nfs-common                     1.2.0-4ubuntu4.2
> >> nfs-kernel-server               1.2.0-4ubuntu4.2
> >>
> >> My exports looks like this:
> >>
> >> /srv 10.66.3.0/24(fsid=0,ro,no_subtree_check,sync)
> >> /srv/www/project1 10.66.3.101(rw,no_root_squash,no_subtree_check,sync)
> >> /srv/www/project2 10.66.3.102(rw,no_root_squash,no_subtree_check,sync)
> >> /srv/www/project3 10.66.3.103(rw,no_root_squash,no_subtree_check,sync)
> >>
> >> My problem is that in this case clients have only read-only access. If
> >> i set the pseudofilesystem root to RW it is working but in that case
> >> all the clients would be able to mount the root and access other
> >> projects too.
> >> How can i achieve the same results as it was in NFSv3 with this config.
> >>
> >> /srv/www/project1 10.66.3.101(rw,no_root_squash,no_subtree_check,sync)
> >> /srv/www/project2 10.66.3.102(rw,no_root_squash,no_subtree_check,sync)
> >> /srv/www/project3 10.66.3.103(rw,no_root_squash,no_subtree_check,sync)
> >
> > Are project1, 2, 3 on the same filesystem as /srv and /srv/www?
> >
> > If so, this is expected; create a separate partition for /srv/www, or
> > for each project1, 2, 3 directory, and you may find the problem is
> > fixed.
> >
> > If that doesn't fix the problem, it may be a bug.  We've fixed a few
> > bugs in that area lately, so it would be worth retrying with more recent
> > kernel and nfs-utils.
> >
> > --b.