User`s guide

007-3938-003 1
Chapter 1
1. Introducing the L1 and L2 Controllers
The L1 and L2 controllers are used to monitor and manage the following systems:
• SGI Origin 3000 series servers
• SGI Origin 300 servers
• SGI Origin 300 systems with NUMAlink
• SGI Onyx 3000 graphics systems
• SGI Onyx 300 graphics systems
• SGI Altix 350 systems
• SGI Altix 3000 family of servers and superclusters
This chapter describes the L1 and L2 controller functions in the following sections:
• “L1 Controller” on page 1
• “L2 Controller” on page 3
Note: Hardware descriptions for the L1 controller can be found in your server or
graphics system user’s guide, and hardware descriptions for the L2 controller can be
found in the user’s guides of those servers and graphics systems that support an L2
controller.
L1 Controller
The L1 controller is designed to manage and monitor the individual bricks in the Origin
3000 servers, Altix 3000 family of servers and superclusters, and Onyx 3000 graphics
systems. It is also used to manage and monitor Altix 350 systems, the Origin 300 servers,
Origin 300 systems with NUMAlink, and Onyx 300 graphics systems.