IBM BladeCenter QS20 Installation And User Manual

Also see for BladeCenter QS20: Problem determination and service guide

Contents

Host FW can only be installed using the Linux operating system. If Linux is notinstalled or cannot be started, then no upgrade or recovery is possible. Call yourIBM support representative. Linux needs to have a current version of rtas_flashdevice driver installed. For instructions about how to get this driver and how toinstall it, read the BladeCenter QS20 SDK Toolkit Installation and Users Guide.This device driver offers a number of different methods for installing and managinga system flash using the /proc interface. The script, update_flash, simplifies theprocedure, and your Linux distributor should provide you with this script. For moreinformation, see the BladeCenter QS20 SDK Toolkit Installation and Users Guide.Installing the firmware manuallyWhere older versions of the update_flash script exist on your system or where it isnot installed you can use rtas_flash over /proc. To install the firmware, do thefollowing: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:modprobe rtas_flash3. To update your current firmware, copy the image file to /proc/ppc64/rtas/flash_update and reboot manually:cp

/proc/ppc64/rtas/flash_updateshutdown —r nowUpdating the host and service processor imagesTo 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 PERMTo 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,the script does not complete.For more information, see “Recovering the system firmware code” on page 58.50 BladeCenter QS20 Type 0200: Installation and User’s Guide