HP Visualize J5000 hp Visualize J5000, J7000 workstations service handbook (a4 - Page 160

Bootable Media., become corrupted, and you wish to boot the workstation from the backup kernel

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Boot Console Handler Booting the Workstation • If you wish to interact with the Initial System Loader (ISL) before booting the workstation, follow the directions in "Accessing the Boot Console Interface" on page 150, and then type the following at the prompt: Main Menu: Enter command > boot device [Enter] The following prompt will appear: Interact with ISL (Y,N,Q)> Answering yes (Y) causes the ISL to be loaded from the specified device. After a short time, the following prompt appears on the screen: ISL> ISL is the program that actually controls the loading of the operating system. By interacting with ISL, you can choose to load an alternate version of the HP-UX operating system. If you do not want to interact with ISL, you must enter no (N). For example, if the usual kernel (/stand/vmunix) on the root disk (fwscsi.6.0) has become corrupted, and you wish to boot the workstation from the backup kernel (/stand/vmunix.prev), type the following at the ISL> prompt : ISL> hpux /stand/vmunix.prev [Enter] • If you do not know which media in the file systems have bootable operating systems, you can find them with the search ipl command. See the next section, "Searching for Bootable Media." 156 Chapter 5

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156
Chapter 5
Boot Console Handler
Booting the Workstation
•
If you wish to interact with the Initial System Loader (ISL) before booting the
workstation, follow the directions in “Accessing the Boot Console Interface” on page 150,
and then type the following at the prompt:
Main Menu: Enter command > boot device [Enter]
The following prompt will appear:
Interact with ISL (Y,N,Q)>
Answering yes (
Y
) causes the ISL to be loaded from the specified device. After a short
time, the following prompt appears on the screen:
ISL>
ISL is the program that actually controls the loading of the operating system. By
interacting with ISL, you can choose to load an alternate version of the HP-UX
operating system. If you do not want to interact with ISL, you must enter no (
N
).
For example, if the usual kernel (
/stand/vmunix
) on the root disk (
fwscsi.6.0
) has
become corrupted, and you wish to boot the workstation from the backup kernel
(
/stand/vmunix.prev
), type the following at the
ISL>
prompt :
ISL> hpux /stand/vmunix.prev [Enter]
•
If you do not know which media in the file systems have bootable operating systems,
you can find them with the
search
ipl
command. See the next section, “Searching for
Bootable Media.”