I doubt your problem is related to ext3 or ext2.  I have run NFS servers
with ext3 as well as ext2 without this problem.  I suspect your problem
might be closer to what the log says.  I've noticed problems before mounting
NFS shares when the server is unable to find the corresponding name for the
IP.  Check your "/etc/hosts" and/or your DNS server to see how the name is
being resolved.  In this case there seems to be a problem mapping the IP to
name, which is a "reverse lookup".  You can play with "dig" and "nslookup"
to see what kind of info your getting back.  The file "/etc/resolv.conf" and
"/etc/nsswitch.conf" will show you how your system is set up.
"/etc/nsswitch.conf" will show the order in which names are resolved, and
"/etc/resolv.conf" will show you which nameservers your using.  If your
using NIS also check the "/etc/hosts" of the NIS server, that's assuming
your making the file publicly available. 

Also, look at your "/etc/exports" and just make sure that your are giving
permission to the clients you want.  

If you need further help, I'd be glad to share with you what I know.


-----Original Message-----
From: Nathalie Boulos [mailto:[EMAIL PROTECTED]]
Sent: Friday, December 27, 2002 6:18 AM
To: [EMAIL PROTECTED]
Subject: NFS RH7.1 - RH8.0


Hello everybody,

I'm trying to setup a NFS server on a redhat 8.0 box with ext3fs onn it. The

client is a RH7.1.
I already shut all the iptables on the server.
I'm gettin the following message on the client:

mount: xxx.xxx.xxx.yyy:/var failed, reason given by server: Permission 
denied

And in /var/log/messages on the server I get the following.

Dec 27 12:42:49 stisrv rpc.mountd: refused mount request from 
xxx.xxx.xxx.xxx (abc.mydomain.com) for /var (/var): DNS forward lookup 
does't match with reverse

The same client is connecting to another NFS server (with RH7.1 and ext2 
this time) with no problems at all.

I suspect that this is a file system problem (compliance between ex2 and 
ext3 maybe). Have anyone encountered somenthing similar?

I would greatly appreciate your feedback concerning this issue.

Thanks in advance.

Regards

Nathalie

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