L1 Mode - Silicon Graphics Origin 3900 User Manual

L1 Mode

007-4653-001
If you attempt to communicate with a brick chosen to receive console input but that is
not responding, a time-out condition results:
L2> Ctrl+D
entering console mode 001c07 CPU1A, <CTRL_T> to escape to L2
no response from 001c07 Junk bus CPU1A system not responding
no response from 001c07 Junk bus CPU1A system not responding
When this time-out condition occurs, either the brick is hung or the subchannel is not
correct.
In L1 mode, the prompt from a single L1 controller is visible, and all input is directed to
that L1 command processor.
To enter L1 mode, enter the rack and a slot followed by l1:
L2> r 2 s 7 l1
enterling L1 mode 001c07, <CTRL-T> to escape to L2
001c07-L1>
To return to L2 mode, press Ctrl+T:
001c07-L1> Ctrl+T
escaping to L2 system controller, <CTRL-T> to send escape to L1
L2>
At this point, you can enter any L2 command. Once the command is executed, the L2
controller returns to L1 mode:
re-entering L1 mode 001c07, <CTRL-T> to escape to L2
001c07-L1>
To permanently engage the L2 mode, press Ctrl+T and enter the l2 command:
001c07-L1> Ctrl+T
escaping to L2 system controller, <CTRL-T> to send escape to L1
L2> l2
L2 command processor engaged, <CTRL-T> for console mode.
L2>
Operating L2 Controller
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