A console can be opened for an LPAR at any time using the LPAR tool:
$ lpar console lpar01 Open in progress Open completed. PowerPC Firmware SMS 1.7 (c) Copyright IBM Corp. 2000,2008 All rights reserved. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Main Menu 1. Select Language 2. Setup Remote IPL (Initial Program Load) 3. Change SCSI Settings 4. Select Console 5. Select Boot Options …
To terminate a console session, the escape sequence “~.” used.
Some LPAR tool commands support opening a console via the “-c” (console) option:
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- Activating an LPAR with “lpar activate -c“.
- Shutting down an LPAR with “lpar shutdown -c“.
- Shutting down the operating system with “lpar osshutdown -c“.
- Initiating a system dump for an LPAR with “lpar dumprestart -c“.
A presentation on the subject can be found here: Console with the LPAR tool