Installing The Firmware Manually; Updating The Host And Service Processor Images; Updating The Host Firmware On Perm; System Firmware User Interface - IBM BladeCenter QS20 Problem Determination And Service Manual

Installing the firmware manually

Where older versions of the update_flash script exist on your system or where it is
not installed you can use rtas_flash over /proc. To install the firmware, do the
following:
1. Ensure the rtas-flash driver is loaded. To do this, run lsmod.
2. If the module is not yet in the kernel, invoke the following to load it:
3. To update your current firmware, copy the image file to /proc/ppc64/rtas/

Updating the host and service processor images

To update the host and service processor images, do the following:
1. Boot the operating system if it is not running already.
2. Update the host firmware image as described in the section above.
3. Restart the blade.
4. Shut down the blade.
5. Update the service processor firmware using the Management Module.

Updating the host firmware on PERM

To update an old image on PERM you must copy the TEMP image to PERM side.
The command is:
echo 0 > /proc/rtas/manage_flash.
Note: The script checks whether the board is booted from the TEMP image. If not,

System firmware user interface

BladeCenter QS20 system firmware is an Open Firmware implementation. When
you enter the system firmware user interface, you see the Open Firmware
command prompt. You should only access the user interface if you intend to use
one of the supported Open Firmware commands.
Attention:
configuration when you use the Open Firmware prompt.
To enter the Open Firmware prompt, press s to stop the automatic boot process.

Supported commands

The following commands are supported:
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BladeCenter QS20 Type 0200: Problem Determination and Service Guide
modprobe rtas_flash
flash_update and reboot manually:
cp <image-file> /proc/ppc64/rtas/flash_update
shutdown —r now
the script does not complete.
Use the user interface with care. It is possible to damage the system
Table 11. Supported commands
Command Description
setenv Allows modification of an Open Firmware environment variable. See the
Open Firmware Standard for details.
Supported variables: boot-file, boot device, boot-command.
nvupdate Commits changed environment variables to NVRAM.