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007-6399-002
3: System Overview
Note also that the scale of the CMC drawings in Figure 3-4 is adjusted to clarify the interconnect.
48-port
GigE switch
48-port
GigE switch
Stacking
cables
VLAN
VLAN
VLAN
VLAN
VLAN
VLAN
LAN1 LAN2
BMC
LAN3 LAN4
LAN1 LAN2
BMC
LAN3 LAN4
CMC-0
CMC-1
CMC-2
CMC-3
CMC-4
CMC-5
CMC-6
CMC-7
RLC node
Customer
LAN
System admin node
Service node
LAN1 LAN2
BMC
E-rack CMCs
= Link aggregation
E-Cell
cooling rack
Cooling
controller
Cooling
distribution
unit
Figure 3-4
Administration and RLC Cabling to Chassis Managers
The RLC as Fabric Manager
In some SGI ICE XA configurations the fabric management function is handled by the rack leader
controller (RLC) node. The RLC is an independent server that is not part of the blade enclosure
pair. See the “Rack Leader Controller” on page 33 subsection for more detail. The fabric
management software runs on one or two RLC nodes and monitors the function of and any
changes in the InfiniBand fabrics of the system. It is also possible to host the fabric management
function on a dedicated service node, thereby moving the fabric management function from the
Summary of Contents for ICE XA
Page 1: ...SGI ICE XA System Hardware User Guide Document Number 007 6399 002 ...
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Page 25: ...Powering the System On and Off 007 6399 002 7 Figure 1 4 Three Phase PDU Example ...
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Page 65: ...SGI ICE XA Series D Rack 42U 007 6399 002 47 Figure 4 1 D Rack Front Lock Example ...
Page 72: ...54 007 6399 002 4 Rack Information Figure 4 4 E Cell Rack Assembly Example CDU on Left ...
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