Introduction to Networking for NonStop S-Series Servers

Expand Network
Introduction to Networking for HP NonStop S-Series Servers
—520670-005
5-3
Expand Subsystem and the HP NonStop Kernel
Multinode Process Communications
Figure 5-2 illustrates the same file-system request as Figure 5-1, except that the disk
process resides on another node in the network rather than on another processor in
the same server.
Figure 5-2. Multinode Process Communications
Expand Link
User
Process
Message
System
Expand
Line-Handler
Process
Message
System
SWAN
SWAN
X-Fabric
Y-Fabric
Processor 0 Processor 1
Message
System
Message
System
Disk
Process
Expand
Line-Handler
Process
SWAN
SWAN
X-Fabric
Y-Fabric
Processor 0 Processor 1
Node \A Node \B
VST019.vsd
LAN
Adapter
LAN
Adapter
LAN
Adapter
LAN
Adapter