Chapter 5. Rack planning
147
For more information about networking with IBM NeXtScale System, see IBM
NeXtScale System Network and Management Cable Guide, PRS4401, which is
available at this website:
http://ibm.com/support/techdocs/atsmastr.nsf/WebIndex/PRS4401
5.7.1 Non-blocking InfiniBand
Figure 5-19 shows a non-blocking InfiniBand configuration. On the left side is a
rack with six chassis for a total of 72 compute nodes. Four 36-port InfiniBand
switches and two 48-port 1 Gb Ethernet switches are used.
Figure 5-19 Non-blocking InfiniBand
36 Port IB 18 Down 18 UP
36 Port IB 18 Down 18 UP
48 Port 1GBe 36 Down 2 10G Up
48 Port 1GBe 36 Down 2 10G Up
36 Port IB 18 Down 18 UP
36 Port IB 18 Down 18 UP
IB Switch 1
IB Switch 2
IB Switch 3
IB Switch 4
Cable Channel 1
Cable Channel 2
Cable Channel 3
Cable Channel 4
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1G Ethernet Switch 1
1G Ethernet Switch 2
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Chassis 1
Chassis 2
Chassis 3
Chassis 4
Chassis 5
Chassis 6
36 Port IB 18 Down 18 UP
48 Port 1GBe 36 Down 2 10G Up
36 Port IB 18 Down 18 UP
Chassis 1
Chassis 2
Chassis 3
36 Port IB 18 Down 18 UP
48 Port 1GBe 36 Down 2 10G Up
36 Port IB 18 Down 18 UP
Chassis 4
Chassis 5
Chassis 6
Building Block 1
Building Block 2
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