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Communicating with the System Controller
007-4857-002 51
Communicating with the System Controller
Once a connection to the console is established, the user will be presented with either an L2
prompt (ethernet connection), known as L2 mode, or and L1 prompt (serial connection), known
as L1 mode. From either of these prompts various system controller commands can be entered.
001c01-L1> <l1 command>
olympic-101-L2> <l2 command>
To access the system console, known as console mode, a control-d is entered at either the L1
prompt or the L2 prompt. To return to or escape back to the L1 or L2 mode, a control-t is entered.
This escape is only temporary and you will be returned to console mode once the “Return/Enter”
key is pressed. To re-engage L1 or L2 mode, enter control-t followed by either “l1” or “l2”
depending on the original mode. System control commands are always entered in lower case
unless otherwise specified.
Powering the System On and Off
This section explains how to power on and power off individual rack units, or your entire Altix
450 system, as follows:
• “Preparing to Power On” on page 52
• “Powering On and Off at the Console” on page 54
For servers with a system console, you can power on and power off individual IRUs or the entire
system at the system console.
You may also monitor and manage your server with tools such as VACM, Console Manager, and
PCP. For details, see the documentation for the particular tool.
The Embedded Support Partner (ESP) program enables you and your SGI system support engineer
(SSE) to monitor your server remotely and resolve issues before they become problems. For
details on this program, see “Using Embedded Support Partner (ESP)” on page 56.