NonStop NS14000 Series Planning Guide (H06.13+)

NonStop Blade Elements to LSU
Fiber-optic cables provide communications between each NonStop Blade Element and the LSU as
well as between the LSU and the VIO enclosure. The ServerNet X fabric and Y fabric provide the
system I/O from the LSU to the VIO enclosure, with Fibre Channel and high-speed Ethernet links
providing connections to storage and communications LANs, WANs, and so forth.
Cable connections between the NonStop Blade Elements and the LSU optics adapters affect proper
processor synchronization and rendezvous. For each logical processor element (PE), the port for
a particular PE, such as PE1 (NonStop Blade Element port J0) on DMR NonStop Blade Elements
A and B or TMR NonStop Blade Elements A, B, and C, must connect to their respective ports on
the LSU optics adapters as shown in the example connection diagrams in “LSU to VIO Enclosure
and Processor IDs” (page 69). Although you can randomly select LSU optics adapters for fiber-optic
cable connections, HP recommends connecting these cable to the LSUs in sequential order as
shown in the connection diagrams.
NonStop Blade Element to NonStop Blade Element
Reintegration cables interconnect each of the NonStop Blade Elements within individual duplex or
triplex NonStop Blade Complexes using connectors S, T, Q, and R as shown in the illustrations on
the next four pages.
LSU to VIO Enclosure and Processor IDs
Each NonStop Blade Element contains four processor elements, and each element is a part of a
numbered NonStop Blade Complex, such as 0, 1, 2, or 3. The maintenance entity (ME) firmware
running in the VIO enclosure assigns a number to each processor element based on its connection
from the LSU to the ServerNet-to-processor ports in slots 14.1 through 14.4 (processors 0 through
3) and slots 2.1 through 2.4 (processors 4 through 7). Therefore, fiber-optic cable connections
from the LSU to the ServerNet-to-processor ports on the VIO enclosure determine the processor
number of each NonStop Blade Complex.
This table lists the default VIO enclosure slot and port coupling to the processor number:
Processor NumberFabricSlot.PortVIO Enclosure Module
0X14.12
1X14.2
2X14.3
3X14.4
4X2.12
5X2.2
6X2.3
7X2.4
0Y14.13
1Y14.2
2Y14.3
3Y14.4
4Y2.13
5Y2.2
Internal ServerNet Interconnect Cabling 69