5-4 Diagnostics
Using the Support Media
Offline utilities are available under the ISL environment. ISL based offline utilities are implemented on the
support media. Some utilities are also implemented on the boot disk. When you are at the ISL> prompt, enter
help to list the commands available.
The following list shows the available offline diagnostics:
COPYUTIL
CRAYON
DISKEXPT
DISKUTIL
IOTEST
MAPPER
MEMTEST
PDIAG
PERFVER
U2TEST
UPDATE
HP-UX Recovery Kernel
The recovery kernel on the support media allows you to diagnose problems when the HP-UX operating
system cannot be booted from the system disk. For additional information on the use of the support media,
refer to the most current version of the Support Media User’s Manual.
To use the support media, the system has to have a minimum hardware configuration, as shown:
• 16 Mbytes of memory
• Console
• A removable media device
Support Media Boot
If the system has halted and cannot be booted from the system disk, you need to boot from the support
media. Perform the following steps:
1. Select a media drive to boot from and determine the drives physical address.
2. Load the support media on the device and put the device online.
3. Press the system reset button and wait approximately 30 seconds.
4. If autoboot is enabled, the following display appears on the console.
Processor is starting autoboot process
To discontinue, press any key within 10 seconds
At this point, you can enter the BOot PRI or BOot ALT command. When the boot process is complete, the
following prompt is displayed:
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