system reboots using the shutdown -u command. The system does not return to the
diagnostics, and the current flash image is not saved. After the reboot, you can remove
the /var/update_flash_image file.
When this service aid is run from standalone diagnostics, the flash update image file is
copied to the file system from diskette or from the NIM server. Using a diskette, the
user must provide the image on backup format diskette because the user does not
have access to remote file systems or any other files that are on the system. If using
the NIM server, the microcode image must first be copied onto the NIM server in the
/usr/lib/microcode directory pointed to the NIM SPOT (from which you plan to have
the NIM client boot standalone diagnostics) prior to performing the NIM boot of
diagnostics. Next, a NIM check operation must be run on the SPOT containing the
microcode image on the NIM server. After performing the NIM boot of diagnostics one
can use this service aid to update the microcode from the NIM server by choosing the
/usr/lib/microcode directory when prompted for the source of the microcode that you
want to update. If not enough space is available, an error is reported, stating additional
system memory is needed. After the file is copied, a screen requests confirmation
before continuing with the flash update. When you continue with the update, the system
reboots using the reboot -u command. You may receive a
Caution: some process(es)
wouldn’t die
message during the reboot process, you can ignore this message. The
current flash image is not saved.
You can use the update_flash command in place of this service aid. The command is
located in the /usr/lpp/diagnostics/bin directory. The command syntax is as follows:
update_flash [-q] -f
file_name
update_flash [-q] -D
device_name
-f
file_name
update_flash [-q] -D update_flash [-q] -D
device_name
-l
Flag
Description
-D
Specifies that the flash update image file is on diskette. The
device_name
variable specifies the diskette drive. The default
device_name is
/dev/fd0
.
-f
Flash update image file source. The
file_name variable specifies the fully
qualified path of the flash update image file.
-l
Lists the files on a diskette, from which the user can choose a flash update
image file.
-q
Forces the update_flash command to update the flash EPROM and reboot
the system without asking for confirmation.
Attention: The update_flash command reboots the entire system. Do not use this
command if more than one user is logged on to the system.
Chapter 6. Introducing Tasks and Service Aids
147
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