NFS on FC5

[Nigel Wade]

Margaret_Doll wrote:
> On a new FC 5 system, I am trying to serve up five large partitions (all 
> over 80 Gb apiece) across the network.  In particular to an FC2 system.
> 
> The new system can mount partitions from other systems on the network.
> 
> I have disabled selinux.  I have the correct hosts in /etc/host.allow 
> with permissions to all.
> 
> On the client I keep getting that there is no route to the host.  
> Although from the client I can see the services on the server.
> 
> [root at client  root]# rpcinfo -p server
>    program vers proto   port
>     100000    2   tcp    111  portmapper
>     100000    2   udp    111  portmapper
>     100024    1   udp  32768  status
>     100024    1   tcp  60867  status
>     100021    1   udp  32769  nlockmgr
>     100021    3   udp  32769  nlockmgr
>     100021    4   udp  32769  nlockmgr
>     100021    1   tcp  57687  nlockmgr
>     100021    3   tcp  57687  nlockmgr
>     100021    4   tcp  57687  nlockmgr
>     100011    1   udp    637  rquotad
>     100011    2   udp    637  rquotad
>     100011    1   tcp    640  rquotad
>     100011    2   tcp    640  rquotad
>     100003    2   udp   2049  nfs
>     100003    3   udp   2049  nfs
>     100003    4   udp   2049  nfs
>     100003    2   tcp   2049  nfs
>     100003    3   tcp   2049  nfs
>     100003    4   tcp   2049  nfs
>     100005    1   udp    650  mountd
>     100005    1   tcp    653  mountd
>     100005    2   udp    650  mountd
>     100005    2   tcp    653  mountd
>     100005    3   udp    650  mountd
>     100005    3   tcp    653  mountd
> 
> [root at client root]# mount -v /dist
> mount to NFS server 'server' failed.
> RPC Error: 12 ( Remote system error )
> System Error: 113 (No route to host)
> 
> The line from /etc/fstab on the client is
> 
> server:/numbers1   /dist                   nfs4    proto=tcp,soft,bg,rw
> 
> I have tried this line with "nfs" instead of "nfs4"  and without the 
> "proto=tcp" option.
> 
> What is going wrong?
> 

"No route to host" may be how the firewall on "server" is rejecting packets from 
the client.

Check that the necessary ports are opened on "server" for access by the client. 
For an RPC (i.e. dynamic port) based service like NFS this might means opening 
pretty much every port to the client.

-- 
Nigel Wade, System Administrator, Space Plasma Physics Group,
             University of Leicester, Leicester, LE1 7RH, UK
E-mail :    nmw at ion.le.ac.uk
Phone :     +44 (0)116 2523548, Fax : +44 (0)116 2523555