NFS and the beowulf cluster.
rsand at d.umn.edu
Thu Jun 28 15:20:07 EDT 2001
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.
> 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
> 06/28/01 11:39 AM Subject: NFS and
> the beowulf cluster.
> As reported yesterday I am still having problems with nfs on my
> 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
> line for portmap in the hosts.allow file and I still get errors on
> sides of the equation.
> On the master portmap reports this when a node tries to mount the
> portmap: 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
> 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.
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mailto:rsand at d.umn.edu
University of Minnesota, Duluth
Information Technology Systems and Services
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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