L1 mode – Intel SGI Altix 450 User Manual
Page 107
Operating the L1
007-4857-002
85
application that is always running on the system controller. When the enclosure is connected to a
LAN via the L2 host connector, the system controller spawns an application that provides L2
functionality.
The L1 operates in one of these two modes, which are discussed in the sections that follow:
The L1 prompt is visible and all input is directed to the L1 command processor. The Altix 450
server L1 system control can perform the following:
•
Managing power and sequencing control
•
Environmental monitoring and control functions
•
Initiation of system resets
•
Read/write storage for identification and configuration information
•
Provides console/diagnostic and scan interface
The L1 controller in each of the enclosures is a complete and fully functional system controller.
All the blades are interconnected by NUMAlink and each shares its system control information
with all other system controllers.
Output from the system is visible and all input is directed to the system console.
Note: The “console mode from L1” mode is supported only if the system console L1 port is
connected directly to the console system (laptop, PC, etc.).
L1 Mode
If you see a prompt of the following form, the L1 is ready to accept commands.
001c01-L1>
Common operations are discussed in the following sections:
•
“Viewing System Configuration (from an IRU’s Perspective)” on page 86
•