HP Visualize J5000 hp Visualize J5000, J7000 workstations service handbook (a4 - Page 56

Searching for Bootable Media, Stable Storage, Boot Command Notations, is the built-in

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Troubleshooting Dealing with a Boot Failure Searching for Bootable Media To list all devices that contain bootable media, go to the Main Menu of the Boot Console Handler, and then type the following at the prompt: Main Menu: Enter command > search ipl [Enter] The search command searches all buses. The search may turn up more devices than there are lines on the display. If you are using a text terminal, you can control the progress of the search from the terminal's keyboard by doing any of the following: • To temporarily suspend the search, press [Ctrl]-[S]. • To continue the search, press [Ctrl]-[Q]. • To halt the search, press any other key. These flow-control commands do not work with a bitmapped display, but such a display can show more than forty lines of text, so you are unlikely to need them. To search for devices of just one type that actually contain bootable media, go to the Main Menu of the Boot Console Handler, and then type the following at the prompt: Main Menu: Enter command > search ipl device_type [Enter] where device_type is one of the following: • fwscsi is the built-in, Ultra2 Wide LVD (Low Voltage Differential) SCSI bus. • scsi is the built-in, NSE (Narrow Single-Ended) SCSI-2 bus. • lan is all connections to the built-in LAN. • ide is the built-in CD drive. • pcin is an optional SCSI interface in slot number n. Stable Storage Stable Storage is non-volatile memory associated with the 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. Boot Command Notations The boot command supports the following two notations: • Mnemonic • Path number Type help scsi or help lan for more information on the boot path parameters. Here are examples of mnemonic notation: • boot with no parameters selects the primary boot path in stable storage. • boot with the alternate or alt parameter selects the alternate boot path in stable storage. 52 Chapter 3

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52
Chapter 3
Troubleshooting
Dealing with a Boot Failure
Searching for Bootable Media
To list all devices that contain bootable media, go to the Main Menu of the Boot Console
Handler, and then type the following at the prompt:
Main Menu: Enter command > search ipl [Enter]
The
search
command searches all buses. The search may turn up more devices than there
are lines on the display. If you are using a text terminal, you can control the progress of the
search from the terminal’s keyboard by doing any of the following:
•
To temporarily suspend the search, press
[Ctrl]
-
[S]
.
•
To continue the search, press
[Ctrl]
-
[Q]
.
•
To halt the search, press any other key.
These flow-control commands do not work with a bitmapped display, but such a display can
show more than forty lines of text, so you are unlikely to need them.
To search for devices of just one type that actually contain bootable media, go to the Main
Menu of the Boot Console Handler, and then type the following at the prompt:
Main Menu: Enter command > search ipl
device_type
[Enter]
where
device_type
is one of the following:
•
fwscsi
is the built-in, Ultra2 Wide LVD (Low Voltage Differential) SCSI bus.
•
scsi
is the built-in, NSE (Narrow Single-Ended) SCSI-2 bus.
•
lan
is all connections to the built-in LAN.
•
ide
is the built-in CD drive.
•
pci
n
is an optional SCSI interface in slot number
n
.
Stable Storage
Stable Storage is non-volatile memory associated with the 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.
Boot Command Notations
The boot command supports the following two notations:
•
Mnemonic
•
Path number
Type
help scsi
or
help lan
for more information on the boot path parameters.
Here are examples of mnemonic notation:
•
boot
with no parameters selects the primary boot path in stable storage.
•
boot
with the
alternate
or
alt
parameter selects the alternate boot path in stable
storage.