Using the operator-panel functions, you can select the IPL type, mode, and speed of
your boot capabilities. For more information, refer to operator panel functions 01 and
02 in “Operator Panel Function Code Descriptions” on page 598.
Attention: Selecting fast IPL results in several diagnostic tests being skipped.
Service Processor Call-In Security
If the service processor detects bad battery-powered storage (indicating that the battery
in the operator panel has failed or is disconnected), it maintains server security by
disabling the call-in capability to both serial ports.
When call-in is disabled, the system can still be powered on by using the ring-indicator
signal, but the service processor then causes the system to power down, preventing
access to any system facilities or to AIX.
After battery power is restored, the password(s) must be reset and the call-in function(s)
enabled. Both of these operations can be performed from service processor menus.
See “Service Processor Setup Menu” on page 453 and “Serial Port Selection Menu” on
page 462.
Service Processor Reboot/Restart Recovery
Reboot describes bringing the system hardware back up. For example, from a system
reset or power on. The boot process ends when control passes to the operating system
process.
Restart describes activating the operating system after the system hardware is
reinitialized. Restart must follow a successful reboot.
Boot (IPL) Speed
When the server enters reboot recovery, slow IPL is automatically invoked. This gives
the POST an opportunity to locate and report any problems that may otherwise be
untested. For more information on IPL speed, refer to “Values for IPL Types and
Speeds” on page 598.
Failure During Boot Process
During the boot process, either initially after system power-on or upon reboot after a
system failure, the service processor monitors the boot progress. If progress stops, the
service processor can reinitiate the boot process (reboot) if enabled to do so. The
service processor can re-attempt this process according to the number of retries
selected in the Reboot/Restart Policy Setup Menu.
Failure During Normal System Operation
When the boot process completes and control transfers to the operating system (OS),
the service processor can monitor operating system activity (see the service
procesSOR SETUP MENU option Set Surveillance Parameters). If operating system
activity stops due to a hardware or software-induced failure, the service processor can
Chapter 7. Service Processor Menus 471
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