Open MPI User's Mailing List Archives

Subject: [OMPI users] openmpi + share points
From: Christophe Peyret (christophe.peyret_at_[hidden])
Date: 2010-05-10 09:04:41

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Hello,

I am building a cluster with 6 Apple xserve running OSX Server 10.6 :

node1.cluster
node2.cluster
node3.cluster
node4.cluster
node5.cluster
node6.cluster

I've intalled openmpi in directory /opt/openmpi-1.4.2 of node1 then I made a share point of /opt -> /Network/opt and define variables

export MPI_HOME=/Network/opt/openmpi-1.4.2
export OPAL_PREFIX=/Network/opt/openmpi-1.4.2

I can access to openmpi from all nodes. However, I still face a problem when I launch a computation

 mpirun --prefix /Network/opt/openmpi-1.4.2 -n 4 -hostfile ~peyret/hostfile space64 -f Test/cfm56_hp_Rigid/cfm56_hp_Rigid.def -fast

is returns me the error message :

[node2.cluster:09163] mca: base: component_find: unable to open /Network/opt/openmpi-1.4.2/lib/openmpi/mca_odls_default: file not found (ignored)
[node4.cluster:08867] mca: base: component_find: unable to open /Network/opt/openmpi-1.4.2/lib/openmpi/mca_odls_default: file not found (ignored)
[node3.cluster:08880] mca: base: component_find: unable to open /Network/opt/openmpi-1.4.2/lib/openmpi/mca_odls_default: file not found (ignored)

any idea ?

Christophe

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