I have had a successful LAM/MPI cluster some time back. Here are the steps
that I have figured out after many unsuccessful attempts. These steps are my
quickest way to have a LAM/MPI cluster.
1.Install Linux in the Master node
2.Set Hostname and domainname
3.Setup the Master node as NIS server
4.Export /usr, /home directories.
5.Add a user for cluster, say kluster.
6.Update the NIS maps.
7.Install lam-mpi in Master under /usr/local
8.Install NPB in /usr/npb
9.Check the path for mpicc and lam* executables.
10.In Master: login as kluster.
11.Create a text file lamhosts in ~/ with:
LMIT3 #Master Node
Node1 #Slave Node
12.Install Linux in Slave node node1.
13.Make slave to mount /home, /usr with NFS.
14.Setup NIS ypbind in node1.
15.Check whether NIS is OK by using ypcat.
16.In node1: Login as kluster.
17.Type recon Ã¢ÂÂv lamhosts in master to check whether the cluster is
18.Type lamboot Ã¢ÂÂv lamhosts in Master to start lam on the cluster.
19.From Master, type tping Ã¢ÂÂc5 N to ping the entire cluster (use this to
the cluster is OK).
20.In Master: mpirun N progname or mpirun Ã¢ÂÂlamd N progname to run the
on all nodes. The second command used lamd to run the program.
On Tuesday 20 January 2004 23:45, 70uf33q Hu5541n wrote:
Have been trying (unsuccessfully) to run LAM/MPI on my
2 node network. But when I run lamboot, it says
the <hostfile> and the network is configured properly.
Also the problem is with ssh. Earlier I had the same
problem with rsh. I sorted it out by adding:
in.rshd 192.168.0. and in.rlogind 192.168.0.
although I have also added sshd 192.168.0. to the
/etc/hosts.allow file I get the ssh error.
I got the above <fix> from Google, if anyone has a
better solution please help.
"Love is control,I'll die if I let go
I will only let you breathe
My air that you receive
Then we'll see if I let you love me."
All Within My Hands,St.Anger
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