Expand Configuration and Management Manual (G06.24+)

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Expand Configuration and Management Manual—523347-008
2-4
Expand Subsystem and the NonStop Kernel
Multi-Node Process Communications
Figure 2-2 illustrates the same file-system request as Figure 2-1, except that the disk
process resides on another node in the network rather than on another processor in
the same server.
Multi-node process communications is the same as single-server process
communications, with the following exceptions:
•
The Expand subsystem redirects the file-system request to a hardware
communications device.
•
A communications line rather than the ServerNet SAN carries the message to the
remote process.
Figure 2-2. Multi-Node Process Communications
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User
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Line-Handler
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Disk
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Line-Handler
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