[Rocks-Discuss] NIS and NFS on a new cluster

[Maya]

Hi,
We are configuring our first Rocks cluster. We set it up so that the
frontend has one ethernet connected to the LAN and one ethernet
connected to a private LAN. The compute nodes are connected to the
private LAN only, and we prefer not to connect them to the LAN ever.
Our problem is that we want to use our NIS server for authentication,
and also use NFS to mount home directories from our storage server on
the nodes.
Our NIS and storage servers are on the same machine, and they are
both connected the the LAN only, and not to the private LAN. Since
the nodes and this machine are on different networks we aren't quit
sure how to make it happen.
What is the recommended setup for this?

Thank you,
Maya

[Hamilton, Scott L.]

We enabled LDAP on our cluster just by modifying the ldap.conf file. I think NIS will work the same way. The head node does NAT translation that will allow your compute nodes to reach the nis domain without issue. I would however recommend putting another network card in your nis/file server and placing it on the private lan of the cluster for better performance. Otherwise the NFS mount will have massive amounts of traffic to pas through your head node creating a bottleneck in your system.

Scott L. Hamilton
Missouri S&T IT
System Administrator
Phone: (573) 341-6117
e-mail: hamil...@mst.edu

Thank you,
Maya

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