Workgroup System and Cluster Platform Express Overview and Hardware Installation Guide

Note:
It is possible to provide InfiniBand connections without using an external InfiniBand interconnect.
However, at the time of this release, these configurations are not supported in a Microsoft
Windows environment. Currently, if you plan to use a Microsoft Windows environment, the
configuration requires an external InfiniBand interconnect for fabric management.
Figure B-5 shows a c3000 configuration with an external control node that is not connected to
the InfiniBand network.
Figure B-5 c3000 Configuration Without the InfiniBand Interconnect Connected to the External
Control Node
3
4
1
5
6
2
2
The following list describes the callouts shown in Figure B-5:
1. HP GbE2c switch (IMB1)
2. Connection from HP GbE2c switch (IMB1) to control node NIC1 port
3. Connection from the Onboard Administrator (OA) to the HP GbE2c switch
4. Optional connection to an external network (for example, a campus network)
5. Onboard Administrator (OA)
6. HP 4X DDR InfiniBand Switch Module — Interconnect Module Bay 3 and 4 (IMB3/4)
Figure B-6 shows the control node connection to the InfiniBand fabric using an external port on
the InfiniBand interconnect which uses interconnect module bay 3 and 4 (IMB3/4) of the enclosure.
68 CP Workgroup System Configuration Diagrams and Cabling Tables