[CentOS] NFS issue

[Angus MacGyver]

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


> _______________________________________________
> CentOS mailing list
> CentOS at centos.org
> http://lists.centos.org/mailman/listinfo/centos