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ServerNet Cluster Manual

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Contents
ServerNet Cluster Manual—520575-003
xi
Figures
Example 5-15. INFO PATH, DETAIL Command 5-25
Example 5-16. INFO PROCESS $NCP, LINESET Command 5-25
Example 5-17. INFO PROCESS $NCP, NETMAP Command 5-26
Figures
Figure 1-1. ServerNet Cluster Topologies (Both Fabrics Shown) 1-3
Figure 1-2. 8-Node ServerNet Cluster Using Star Topology 1-4
Figure 1-3. 16-Node ServerNet Cluster Using Split-Star Topology 1-6
Figure 1-4. 24-Node ServerNet Cluster Using Tri-Star Topology 1-8
Figure 1-5. ServerNet Cluster Coexistence With a FOX Ring 1-11
Figure 1-6. ServerNet Node Numbers in a Split-Star Topology (One Fabric
Shown) 1-14
Figure 1-7. ServerNet Node Numbers in a Tri-Star Topology (One Fabric
Shown) 1-15
Figure 1-8. Simplified Logical Diagram Showing Internal X and Y Fabrics 1-17
Figure 1-9. ServerNet Expansion Board (SEB) and Modular ServerNet Expansion
Board (MSEB) 1-20
Figure 1-10. Service Side Slots for NonStop Sxx000 Processor Enclosure 1-21
Figure 1-11. NNA and ECL PICs 1-23
Figure 1-12. ServerNet Packet and ServerNet ID 1-24
Figure 1-13. ServerNet Addressing Scheme for External Fabrics 1-25
Figure 1-14. Cluster Switch Enclosure 1-27
Figure 1-15. Cluster Switch Components 1-28
Figure 1-16. Cluster Switch Block Diagram 1-29
Figure 1-17. Routing Across the Four-Lane Links 1-31
Figure 1-18. Routing Across the Two-Lane Links 1-32
Figure 1-19. ServerNet Cluster Logical Diagram 1-35
Figure 1-20. Line-Handler Processes in a Four-Node Cluster 1-41
Figure 1-21.
Message Passing Over ServerNet 1-43
Figure 2-1.
Duplex SC Cable Connectors With Dust Caps 2-11
Figure 2-2. Slots 51 and 52 of Group 01 in a NonStop Sxx000 Server 2-14
Figure 2-3. SEBs and MSEBs 2-15
Figure 2-4. Single-Mode Fiber-Optic PIC Installed in Port 6 2-16
Figure 2-5. SEB and MSEB Connectors (Actual Size) 2-17
Figure 2-6. Maximum Cable Lengths for Servers and Switches 2-19
Figure 2-7. Maximum Cable Lengths With a Multilane Link 2-19
Figure 2-8. Placement of Cluster Switches 2-20
Figure 2-9. ServerNet II Switch Extended for Servicing 2-22
Figure 2-10. LAN Connections for NonStop S-Series Servers 2-28
Figure 2-11. Recommended Configuration for Dedicated LAN 2-29