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===== Server Power firmware upgrade =====

On HMC you can have concurrent upgrade or disruptive. If you don't have an HMC, then it's diruptive.

**On HMC for concurrent activation without reboot **

**Important** when select the new firmware, select **Automatically backup** and **Install only with deferred activation**, to be sure to activate what is possible, the deferred feature 'll be activated at next restart from power server


  * With an HMC
First download the Firmware for you server (to check you server type and model, go on an LPAR:  lsattr -El sys0 -a modelname), from IBM central fixes http://www.ibm.com/support/fixcentral/ and put the files on an FTP server

If you have an HMC, go on Update, you will find all servers connected and their firmware level.
--> Select a server\\
 - If you want to upgrade to a new level (Ex: AL240_xxx to AL250_xxx) Select **Upgrade Licensed Internal Code to new release** This upgrade required a reboot of your server\\
 - If you want to upgrade to a new release (Ex: AL240_213 to AL240_250) Select **Change Licensed Internal Code to the same release** This upgrade can be done online\\
--> select a remote FTP server, the HMC will check the compatibility and you 'll be able to upgrade.

For information, only IBM is certified to upgrade High-End servers (P770 and higher)

  * Without HMC, on AIX command line
<cli prompt='>'>
[srv-aix61@root] /root> cd /usr/lpp/diagnostics/bin
[srv-aix61@root] /root> ./update_flash  -f  /tmp/fwupdate/cc04194.img
</cli>


References:
https://www.ibm.com/developerworks/wikis/display/WikiPtype/p5+System+Firmware+Upgrade
===== Devices, and adapter firmware upgrade =====

First identify all devices that have a firmware (sys0 is the firmware of the Power server)
<cli prompt='>'>
[srv-aix61@root] /root> lsmcode -A
sys0!system:3R080425       |System Firmware:RG080425_d79e22_regatta
hdisk0!IC35L03.44543031.53323847
hdisk1!IC35L03.44543031.53323847
hdisk2!IC35L03.44543031.53323847
hdisk3!IC35L03.44543031.53323847
ent0!1410ff01.SCU015
ent1!1410ff01.SCU015
ses0!A0900724.0018
[srv-aix61@root] /root>  lsattr -El sys0 -a modelname
modelname IBM,7028-6C4 Machine name False
</cli>

With the type and model (7028-6C4), go on IBM central fixes http://www.ibm.com/support/fixcentral/
and download all needed firmware for all devices into you server, as <color red> rpm format </color>

Put all rpm package into a folder Ex: /tmp , and install it
<cli prompt='>'>
[srv-aix61@root] /tmp> for pkg in $(ls *.rpm)
do
rpm --ignoreos -Uhv $pkg
done
</cli>

Now all firmware packages are placed into /etc/microcode. If you have many servers to upgrade, copy all files and folders from /etc/microcode.

Run the diag command -->  Task Selection -->  Microcode Tasks --> Download Latest Available Microcode --> Select the filesystem  /etc/microcode
Now it 'll propose to upgrade firmware if it has one (M) Most recent then the (C) Current.
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