System Components
007-6399-002
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System Components
The SGI ICE XA series system features the following major components:
•
42U E-racks
. These multi-rack (E-Cell) rack assemblies use a dedicated cooling rack for
each two compute racks used. Water cooling of the individual nodes is accomplished by a
separate dedicated cooling-distribution rack (CDU). See “SGI ICE XA E-Cell Rack
Assemblies” in Chapter 4 for additional information.
•
42U D-rack.
This is an SGI rack used for support nodes, optional storage, switches and I/O
in the SGI ICE XA series. Note that each ICE XA system must have a dedicated I/O rack
holding GigE switches, RLCs, Admin servers and additional service nodes. Water-cooled
D-racks are optionally available.
•
Blade enclosure.
This sheetmetal enclosure contains the enclosures holding up to nine
compute blades, one chassis manager board, up to four InfiniBand fabric I/O blades and
front-access power supplies for the SGI ICE XA series computers. The enclosure is 10.5U
high. The blade enclosure employs front-mounted power supplies.
•
Compute blade.
Holds up to four nodes and up to 24 memory DIMMs (depending on blade
type).
•
1U RLC (rack leader controller).
One 1U rack leader server is required for each eight
CMCs in a system. High-availability configurations using redundant RLCs are supported.
•
1U Administrative server.
This server node supports an optional console and
administrative software.
•
1U Service node.
Additional 1U server(s) can be added to a system support rack and used
specifically as an optional login, batch, MDS, OSS or other service node. Note that these
service functions cannot be incorporated as part of the system RLC or administration server.
•
2U Service node.
An optional 2U service node may be used as a login, batch, MDS, OSS or
fabric node. In smaller systems, multiple functions may be combined on one server.
PCIe options available may vary, check with your SGI sales or support representative.
E-Cell Rack Numbering
Each compute (E-rack) in a multi-rack system is numbered with a three-digit number sequentially
beginning with (001). A compute rack (E-rack) contains blade enclosures, optional disks and
accelerators, PDUs and the cooling infrastructure that extracts heat.
Summary of Contents for ICE XA
Page 1: ...SGI ICE XA System Hardware User Guide Document Number 007 6399 002 ...
Page 4: ......
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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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