User guide

Contents
007-5832-001 vii
System Features . . . . . . . . . . . . . . . . . . . . . . . . 39
Modularity and Scalability . . . . . . . . . . . . . . . . . . . . 39
Distributed Shared Memory (DSM) . . . . . . . . . . . . . . . . . 39
Distributed Shared I/O . . . . . . . . . . . . . . . . . . . . . 41
Chassis Management Controller (CMC) . . . . . . . . . . . . . . . . 41
ccNUMA Architecture . . . . . . . . . . . . . . . . . . . . . 41
Cache Coherency . . . . . . . . . . . . . . . . . . . . . 41
Non-uniform Memory Access (NUMA) . . . . . . . . . . . . . . . 42
Reliability, Availability, and Serviceability (RAS) . . . . . . . . . . . . . 42
System Components. . . . . . . . . . . . . . . . . . . . . . . 44
Bay (Unit) Numbering . . . . . . . . . . . . . . . . . . . . . 46
Rack Numbering . . . . . . . . . . . . . . . . . . . . . . 46
Optional System Components . . . . . . . . . . . . . . . . . . . 46
4. Rack Information . . . . . . . . . . . . . . . . . . . . . . . 47
Overview . . . . . . . . . . . . . . . . . . . . . . . . . 47
SGI UV 2000 Series Rack (42U) . . . . . . . . . . . . . . . . . . . 48
SGI UV 2000 System Rack Technical Specifications . . . . . . . . . . . . . . 52
5. Optional Octal Router Chassis Information . . . . . . . . . . . . . . . . 53
Overview . . . . . . . . . . . . . . . . . . . . . . . . . 53
SGI UV 2000 Series NUMAlink Octal Router Chassis. . . . . . . . . . . . . . 54
SGI UV 2000 External NUMAlink System Technical Specifications . . . . . . . . . . 56
6. Add or Replace Procedures . . . . . . . . . . . . . . . . . . . . 57
Maintenance Precautions and Procedures . . . . . . . . . . . . . . . . . 57
Preparing the System for Maintenance or Upgrade . . . . . . . . . . . . . 58
Returning the System to Operation. . . . . . . . . . . . . . . . . . 58
Overview of PCI Express (PCIe) Operation . . . . . . . . . . . . . . . . 59
Adding or Replacing PCIe Cards in the Expansion Enclosure . . . . . . . . . . . . 60
Installing Cards in the 1U PCIe Expansion Chassis . . . . . . . . . . . . . 61
Removing and Replacing an IRU Enclosure Power Supply . . . . . . . . . . . 64
7. Troubleshooting and Diagnostics . . . . . . . . . . . . . . . . . . . 67
Troubleshooting Chart . . . . . . . . . . . . . . . . . . . . . . 68