NFS and the beowulf cluster.

[JParker at coinstar.com]

G'Day !

Yea, I just checked the docs ( 
http://www.kernel.org/LDP/HOWTO/NFS-HOWTO/index.html )  ... but it needs 
the netmask

cheers,
Jim Parker

Sailboat racing is not a matter of life and death ....  It is far more 
important than that !!!




Robert Sand <rsand at d.umn.edu>
Sent by: rsand at d.umn.edu
06/28/01 12:20 PM

 
        To:     JParker at coinstar.com
        cc:     beowulf at beowulf.org, beowulf-admin at beowulf.org
        Subject:        Re: NFS and the beowulf cluster.

JParker at coinstar.com wrote:
> 
> G'Day !
> 
> I am not an NFS expert, nor do I play one on TV, but ....
> 
> Does not the host.allow/deny file use wildcard symbols,  "  ALL:
>  192.168.*.*  ".  There is a pretty good  NFS HOWTO on LDP.

The line ALL: 192.168. does the same as 192.168.*.* I have even brought
this down to allow all period and it still does this.

> 
> cheers,
> Jim Parker
> 
> Sailboat racing is not a matter of life and death ....  It is far more
> important than that !!!
> 
>   Robert Sand <rsand at d.umn.edu>
>   Sent by:                                  To:
>   beowulf-admin at beowulf.org          beowulf at beowulf.org
>                                             cc:
>   06/28/01 11:39 AM                         Subject:        NFS and
>                                     the beowulf cluster.
> 
> As reported yesterday I am still having problems with nfs on my
> cluster
> when I have never had nfs problems in the past. I have added the
> /etc/exports file and put all the nodes into the hosts file and added
> a
> line for portmap in the hosts.allow file and I still get errors on
> both
> sides of the equation.
> 
> On the master portmap reports this when a node tries to mount the
> /home
> directory:
> 
> portmap[3185]: connect from 192.168.1.12 to dump(): request from
> unauthorized host
> 
> and in the /var/log/beowulf/node.# file I see:
> 
> node_modprobe: installing kernel module: sunrpc
> node_modprobe: installing kernel module: lockd
> node_modprobe: installing kernel module: nfs
> mount: RPC: Unable to receive; errno = Connection refused
> Failed to mount 192.168.1.10:/home on /home.
> 
> Now in my hosts.allow file I have "ALL: 192.168." and I have "PORTMAP:
> 192.168." and in /etc/exports I have "/home node*(rw)" I also have an
> nfs line in the /etc/beowulf/fstab that says:
> 
> $MASTER:/home   /home           nfs     defaults        0 0
> 
> What is wrong here?  I have each node listed in the /etc/hosts file
> too
> and still nothing.  Any ideas what might be causing this?
> --
> Robert Sand.
> mailto:rsand at d.umn.edu
> University of Minnesota, Duluth
> Information Technology Systems and Services
> 144 MWAH
> 218-726-6122        fax 218-726-7674
> 
> "Walk behind me I may not lead, Walk in front of me I may not follow,
> Walk beside me and we walk together"  UTE Tribal proverb.
> 
> _______________________________________________
> Beowulf mailing list, Beowulf at beowulf.org
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-- 
Robert Sand.
mailto:rsand at d.umn.edu
University of Minnesota, Duluth
Information Technology Systems and Services
144 MWAH
218-726-6122        fax 218-726-7674

"Walk behind me I may not lead, Walk in front of me I may not follow,
 Walk beside me and we walk together"  UTE Tribal proverb.


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