We have been using Xgrid successfully for the last few years. As our
jobs have large input/output datasets, we serve the data via NFS to
the cluster nodes, and the job reads/writes the data via NFS. In
addition, our jobs run as "nobody" on the agents, as we have not set
up Kerberos. All this has worked well for us.
With Leopard now released, we thought we would try upgrading one of
the client machines to Leopard, to see if there will be any issues.
And there are.
It turns out that the user "nobody" no longer has the ability to read
the NFS mounted directories. My question to the group is this: has
anyone tried using Xgrid on Tiger Server, with Leopard clients,
reading data via NFS? Have there been any changes with respect to NFS
and security that may be the cause of this change?
No changes were made to the server, and the other (Tiger-based) agents
continue to work well. It is just on the Leopard client that the user
"nobody" is unable to read/write to the NFS volumes. Any ideas?
Dale Schack
Thrust Belt Imaging
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