System Models - Silicon Graphics UV 3000 User Manual

System Models

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The basic enclosure within the SGI UV 3000 system is the 10U high "individual rack unit" (IRU).
The IRU enclosure contains up to eight compute blades connected to each other via a backplane.
Each IRU has ports that are brought out to external NUMAlink 6 connectors. The 42U rack for
this server houses all IRU enclosures, option modules, and other components; up to 64 processor
sockets in a single rack. The SGI UV 3000 server system requires a minimum of one BaseIO
equipped blade for every 128 system blades. Higher blade or socket counts supported in an SSI
may be available in future releases, check with your SGI sales or service representative for the
most current information.
Note: Systems operated without an optional administration node must have an optional external
DVD drive available to connect to the BaseIO blade.
Figure 3-2 shows an example of how IRU placement is done in a single-rack SGI UV 3000 server.
The system requires a minimum of one 42U tall rack with three single-phase power distribution
unit (PDU) plugs per IRU installed in the rack. Three outlets are required to support each power
shelf. There are three power supplies per power shelf and two power connections are required for
an optional 1U system administration node and one for an optional 1U terminal.
You can also add additional PCIe expansion enclosures or RAID and non-RAID disk storage to
your server system. Power outlet needs for these options should be calculated in advance of
determining the number of outlets needed for the overall system.
System Models
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