Programming instructions

Chapter 3 51
Troubleshooting
Dealing with a Boot Failure
Searching for Bootable Media
To list all devices that may contain bootable media, go to the Main Menu of the Boot
Console Interface and then type the following at the prompt:
Main Menu: Enter a command or a menu > search ipl
The search may turn up more devices than there are lines on the display. If using a text
terminal, you can control the progress of the search from the terminal’s keyboard by
performing the following steps:
• To hold the display temporarily, press
Ctrl
S
• To continue the display, press
Ctrl
Q
• To halt the search, press
Esc
These flow-control commands do not work with a bitmapped display, but such a display can
show more than forty lines of text, so they are unnecessary.
To search for devices of just one type that actually contain bootable media, go to the Main
Menu of the Boot Console Interface and then type the following at the prompt:
Main Menu: Enter a command > search ipl
device_type
where
device_type
is one of the following:
•
scsi
is the built-in fast, Ultra2 Wide LVD (Low Voltage Differential) SCSI bus.
•
lan
is all connections to the built-in LAN.
•
ide
is the built-in CD drive.
•
pci
n
is an optional plug-in device in PCI slot number
n
.
•
disk
is any bootable device other than LAN.
Stable Storage
Stable Storage is non-volatile memory associated with each PA-RISC processor module.
Stable storage is used by the processor (CPU) to store device path information, the state of
the boot flags, HPMC error information, and operating system initialization data.