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Chapter 1
1.
Introduction
The SGI Origin 300 system with NUMAlink module is a distributed shared memory
(DSM) and distributed I/O system. As a DSM system, each Origin 300 base module (2 or
4 processors) has local memory that it shares with the other base modules in the system.
Similar to DSM, the interfaces of the I/O devices are distributed among the Origin 300
base modules and are accessible by all base modules.
The key component that makes the distributed shared memory and I/O possible is the
NUMAlink 3 interconnect. In this system, the NUMAlink 3 interconnect consists of a
NUMAlink module that transfers messages between the Origin 300 base modules (refer
to Figure 1-1). In an Origin 300 system that does not have a NUMAlink module, the
NUMAlink 3 interconnect consists of a cable that connects two Origin 300 base modules.
Note:
The maximum number of base modules in an Origin 300 system that does not
contain a NUMAlink module is two (8 processors). In an Origin 300 system that does
contain a NUMAlink module, the maximum number of base modules is eight (32
processors).
Figure 1-1
Connecting Origin 300 Base Modules via a NUMAlink Module
To increase the number of processors beyond 32, Origin 300 with NUMAlink module
systems can be clustered together. The maximum number of processors in a clustered
configuration is 128.
NUMAlink module
Origin 300 base modules
Origin 300 base modules
Содержание Origin 300
Страница 1: ...SGI Origin 300 System with NUMAlink Module User s Guide 007 4498 002 ...
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Страница 35: ...Base System Components 007 4498 002 9 Figure 1 7 Front and Rear Views of an SGI Origin 300 Base Module ...
Страница 39: ...Base System Components 007 4498 002 13 Figure 1 10 L2 Controller ...
Страница 49: ...Optional System Components 007 4498 002 23 Figure 1 17 SGI TP9400 Storage System ...
Страница 54: ...28 007 4498 002 1 Introduction Figure 1 18 Tape Drive Libraries L20 L40 L80 L180 L700 ...
Страница 71: ...Installing Your System 007 4498 002 45 Figure 2 5 Removing a Short Rack from the Shipping Crate Peg ...
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Страница 93: ...Disk Drives 007 4498 002 67 Figure 3 11 Installing a Disk Drive c Bezel door Disk drive Bezel door a b d ...
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