[mythtv-users] Can't reexport SMB share over NFS...what am I doing wrong?

Kevin Kuphal kkuphal at gmail.com
Fri Sep 10 18:57:56 UTC 2010


On Fri, Sep 10, 2010 at 1:54 PM, Scott Alfter <scott at alfter.us> wrote:

> On 10 Sep 10 11:48, Kevin Kuphal wrote:
> > On Fri, Sep 10, 2010 at 1:12 PM, Scott Alfter <scott at alfter.us> wrote:
> >> /etc/exports has this entry in it:
> >>
> >> /mnt/media
> 192.168.100.0/255.255.255.0(async,no_subtree_check,rw,insecure)
> >>
> >> When I restart NFS, I get this:
> >>
> >> exportfs: Warning: /mnt/media does not support NFS export.
> >
> > It's been a while since I've tried, but I was under the impression that
> NFS
> > will not re-export mounted filesystems.
>
> This suggests that it should be possible:
>
>
> http://webcache.googleusercontent.com/search?q=cache:X7RfSEsFSFwJ:book.opensourceproject.org.cn/sysadmin/samba/definitive/opensource/8885final/lib0075.html+reexport+smb+share+over+nfs&hl=en&client=firefox-a&hs=yio&gl=us&strip=1
>
> It might be based on outdated assumptions, though; some googling on
> "reexport
> smb share over nfs" indicates others have also had problems getting it to
> work,
> with no working solutions that I've been able to find.
>
> Why, though, would NFS refuse to reexport a mounted filesystem?  Does it
> need
> some low-level access to the filesystem that a network mount doesn't
> provide?
>

I had experienced NFS not re-exporting an NFS mounted filesystem so it
seemed logical to me that this would apply to samba as well.  I think it has
something to do with the NFS system only seeing true "i-node" devices and
thus only seeing the mount point, not the user level CIFS mount

Kevin
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