Hi all,
I am trying to set up a cluster (with OSCAR) with infiniband using
CentOS/RHEL 5.2. Only the compute nodes have
IB NICS, the head node doesn't. At this point I want to use the packages
of the CentOS repositories which
are - as far as I know - based on OFED 1.3 to avoid package conflicts
and dependency problems I run
into if I compile OFED 1.4 from source. I have two questions:
1) can I still use the OFED 1.4 source to compile the most recent MPI
versions (e.g. MVAPICH2, which is not in the
CentOS repository). Or is it just a bad idea to mix versions here?
2) As far as I understand, I need the opensm subnet manager. Can I run
this manager on the head node (which has
no IB NIC) or do I need to run it on one of the nodes. I would prefer to
run it on the head node in order to
keep all nodes exactly identical.
Best regards and thanks for info
Michael
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