12
InfiniBand MPI network, if present
13
Gigabit Ethernet system interconnect, if present
14
Gigabit Ethernet switch for cluster administrative network, if present
15
InfiniBand system interconnect, if present
2.4 Host Channel Adapters and Firmware
Every node that is part of the high-speed InfiniBand fabric requires a host channel adapter (HCA)
installed in its PCI bus. The HCA is installed in a specific PCI slot on an unshared bus of the
appropriate speed, ensuring system performance. For more information on supported HCA
models, supported drivers, and installation instructions, see http://www.docs.hp.com/en/
highperfcomp.html.
2.4 Host Channel Adapters and Firmware 17
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