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Controller Installation
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2.2.7 Powering On the Controller
NOTE :
Systems that have dual controllers (couplets) should have the controllers powered on
simultaneously ensure correct system configuration.
1. Verify that the power switches on the two (2) power supply module at the back of each controller
are off.
2. Connect the two AC connectors, using the power cords provided at the back to the AC power
source for each controller unit. For maximum redundancy, connect the two power connectors to
two different AC power circuits for each unit.
3. Check that all your drive enclosures are powered up.
4. Check that the drives are spun up and ready.
5. Turn on the power supplies on the controller unit(s). The controller will undergo a series of system
diagnostics and the bootup sequence is displayed on your terminal.
6. Wait until the bootup sequence is complete and the controller system prompt is displayed.
NOTE :
Do not interrupt the boot sequence without guidance from SGI support personnel.
You may now configure the system as described in Section 2.3 "Configuring the Controller".
Table 2–1 Basic Key Assignments
Key Escape Sequence Description
Backspace Ctrl-H, 0x08 deletes preceding character
Del Del, 0x7F or Esc [3~ deletes current character
Up Arrow Esc [A retrieves previous command in the history buffer
Down Arrow Esc [B retrieves next command in the history buffer
Right Arrow Esc [C moves cursor to the right by one character
Left Arrow Esc [D moves cursor to the left by one character
Home Esc [H or Esc [1~ moves cursor to the start of the line.
End Esc [K or
Esc [4~
moves cursor to the end of the line
Ins Esc [2~ toggles character insert mode, on and off
NOTE: Insert mode is ON by default and resets to ON for each new command.
PgUp Esc [5~ retrieves oldest command in the history buffer
PgDn Esc [6~ retrieves latest command in the history buffer