On Sat, 2007-05-05 at 01:06 +0100, Luciano Miguel Ferreira Rocha wrote:
> On Sat, May 05, 2007 at 12:52:00AM +0100, Angus MacGyver wrote:
> > Hi List,
> >
> > I must be going mad or something, but got a really odd problem with NFS
> > mount and a DVD rom.
> >
> > Here is the situation,
> > /dev/md7 58G 18G 37G 33% /data
> >
> > which is shared out by NFS, (/etc/exportfs)
> >
> > This has been working since I installed the OS, Centos 4.4
> >
> > I have a DVD on that is device /dev/scd0, which I can mount anywhere I
> > like, no problem.
> >
> > However, the problem comes when I try to mount it
> > under /data/shared/Photos/Archive1.
> >
> > It mounts ok, and I can see the data on it form the server, but I cannot
> > see this data over the network on any NFS client when
> > mounting /data/shared.
> >
> > If I mount /devscd0 as /mnt and export that, I can mount the over the
> > network fine.
> >
> > If I take another device, /dev/md4 and mount in same place,
> > (/data/shared/Photos/Archive1) i cannot see those files over the network
> > either.
> >
> >
> > I do this kind of thing not quite everyday on Solaris and it just
> > works..
> >
> > I know I must be missing something, but i'll be b*gger** if I know what.
> >
> > No messages in any /var/log/* file.
> >
> >
> >
> > Any ideas would be most appreciated?
> >
>
> Try adding nohide as an option to /etc/exports. See exports(5) for more
> information about nohide and exporting filesystems with mount points.
>
Most interesting.
Looked, and applied...
no change..
these are the relevant lines in the /etc/exports
/data/shared/ 172.16.1.0/255.255.255.0(sync,rw,nohide)
/data/shared/ 172.16.4.0/255.255.255.0(sync,rw,nohide)
(need to export to different subnets, anything else doesn't work)
Cheers
AM
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