I see in the GPFS FAQ A6.3 the statement below. Is it possible to have
GPFS do RDMA over EDR infiniband and non-RDMA communication over omnipath
(IP over fabric) when each NSD server has an EDR card and a OPA card
RDMA is not supported on a node when both Mellanox HCAs and Intel Omni-Path
HFIs are enabled for RDMA.
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