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Applies to:

Goal

Description

Updating firmware using the lom -G command.

In order to flash or update the firmware on the Sun Fire[TM] V1280/E2900 or Netra[TM] 1280/1290 servers without using a network connection to the system controller you must use the lom -G command.  This procedure is good to utilize if the system controller does not have a connection to the network or if you cannot put an http server or an ftp server on the network the system controller is on.

Available for this topic, a Video Tutorial; Brief how-to video tutorials that provide step-by-step instructions answering Sun's most frequently asked questions. View the video answer and/or follow the detailed instructions below.

Video - lom -G Update Procedure (5:00)

 

Solution

Steps to Follow

Procedure

Check that the lom packages are installed:

 # pkginfo | grep lom 
system      SUNWlomm               LOMlite manual pages
system      SUNWlomr               LOMlite driver (root)
system      SUNWlomu               LOMlite Utilities (usr)

SUNWlomr and SUNWlomu must be installed.

If the packages are not available see:

SunFire[TM] V1280, E2900 and Netra[TM] 1280, 1290: Lights Out Management (LOM) packages are missing (Doc ID 1004868.1)

If they are installed, load the files needed to do the flash onto the system. The files are:

sgrtos.flash
sgsc.flash
lw8cpu.flash
lw8pci.flash.

It is best to have two sessions open:

• login to the system controller to watch progress
• login to the system as root to run the commands.

0. Before starting the flash, reset the system controller from the console.

 lom> resetsc -y

 This frees resources on the controller, and places it in a known state,
ready to be flashed.  Failure to reset the controller before beginning 
 the flash can cause the controller to panic, sending an init 5 to the 
 Solaris O/S, possibly resulting in a unplanned outage.

1. Upgrade the firmware on the system controller (SC):

1.a From the directory with the loaded flash files, run the command.

 # lom -G sgrtos.flash 
This program will replace LOM firmware with version 5.11.3  <= CR 6266849
Are you sure you want to continue?
Enter 'C' and return to Continue or anything else to Terminate
C

On the system controller you will see the following output which tells you that you will need to reboot the SC, but DO NOT reset the SC until both rtos and scapp have been updated:

 lom>Transferring 676 kB image to the system controller.
This may take several minutes.

 Validating image...
676 kB RTOS image transferred.
Programming sun.serengeti.RTOSFlash@ffb3105a
Comparing image and flash
Image and flash are different, proceeding with update.
Erasing     ............... Done
Programming ............... Done
Verifying   ............... Done
Thu Jun 16 17:37:36 hostname lom: sun.serengeti.RTOSFlash@ffb3105a updated with version 5.11.3 05/27/2005.

 Firmware update complete.

 The system controller must be rebooted to load the new firmware.
At the lom> prompt enter:

        resetsc -y   '''<-- this is misleading, DO NOT RESET at this point'''

Note: DO NOT reset the system controller at this point.
The sgsc.flash must be installed before resetting the SC.

Resetting the SC at this point would cause a mismatch between the SCapp and RTOS software on the SSC.

1.b Now, flash the SC.

From the directory with the flash files, run the command:

 # lom -G sgsc.flash

This program will replace LOM firmware with version 5.18.5
Are you sure you want to continue?
Enter 'C' and return to Continue or anything else to Terminate
C

On the system controller, you will see: 

 lom>Transferring 6209 kB image to the system controller.
This may take several minutes.   

Note: This can take up to 30 minutes, so don't assume it's hung.

 Validating image...
6209 kB SC image transferred.
Programming sun.serengeti.ScAppFlash@ffb64e60
Comparing image and flash
Image and flash are different, proceeding with update.
Erasing     ............... Done
Programming ............... Done
Verifying   ............... Done
Thu Jun 16 17:37:36 hostname lom: sun.serengeti.ScAppFlash@ffb64e60 updated with version 5.18.3 05/27/2005.

  Firmware update complete.

 The system controller must be rebooted to load the new firmware.
At the lom> prompt enter:

        resetsc -y 

Note: At this point the system controller has to be reset.

IMPORTANT: The system controller will be automatically rebooted if upgrading to fw version 5.18.5 or greater .

2. Escape to lom> and reset the SC:

 lom> resetsc -y

If you are on the system controller serial port, you will see the reset take place. If you used telnet to connect to the system controller, you will need to re-login to the system controller after it has finished.

Once you have logged back onto the system controller, and are back to the lom> prompt, it is time to flash the boards in the system.

3. Upgrade the firmware on the system boards:

3.1 From the directory that you loaded the files into, run the command.

 # lom -G lw8cpu.flash This program will replace LOM firmware with version 5.18.3
Are you sure you want to continue?
Enter 'C' and return to Continue or anything else to Terminate
C

On the system controller you will see:

 lom>Transferring 925 kB image to the system controller.

 This may take several minutes.

 Validating image...
925 kB CPU image transferred.
Programming /N0/SB0/FP0
Comparing image and flash
Image and flash are different, proceeding with update.
Erasing     ............... Done
Programming ............... Done
Verifying   ............... Done
Fri Jun 17 08:58:23 hostname lom: /N0/SB0/FP0 updated with version 5.18.3 05/27/2005.
Programming /N0/SB0/FP1
Comparing image and flash
Image and flash are different, proceeding with update.
Erasing     ............... Done
Programming ............... Done
Verifying   ............... Done
Fri Jun 17 08:59:02 hostname lom: /N0/SB0/FP1 updated with version 5.18.3 05/27/2005.

It will do this for each board in the system /N0/SB0, /N0/SB2 and /N0/SB4

 Firmware update complete.

You must reboot Solaris to load the new firmware.

NOTE: You will be told to reboot Solaris after the lw8cpu.flash completes. DO NOT REBOOT or power cycle the system until you have applied lw8pci.flash.

3.2 From the directory that you loaded the files into, run the command.

 # lom -G lw8pci.flash

 This program will replace LOM firmware with version 5.18.3
Are you sure you want to continue?
Enter 'C' and return to Continue or anything else to Terminate
C

On the system controller you will see:

lom>Transferring 347 kB image to the system controller.

This may take several minutes.

 Validating image...
347 kB IO image transferred.
Programming /N0/IB6/FP0
Comparing image and flash
Image and flash are different, proceeding with update.
Erasing     ...... Done
Programming ...... Done
Verifying   ...... Done
Fri Jun 17 09:11:39 hostname lom: /N0/IB6/FP0 updated with version 5.18.3 05/27/2005.

Firmware update complete.

You must reboot Solaris to load the new firmware.

4. Now the system should be shut down.

Bring the system to the ok prompt with init 0 or the shutdown command.

5. Turn of the system controller

Once the system is down the system should be turned off from the system controller.

 lom> poweroff

 Powering boards off ...

This will take a bit. Once it has finished you need to power back on the boards and boot the system.

6. Power on the system

 lom> poweron

This will run the system in post test all the boards with the new firmware. You are done.

Additional Information

If the procedure in this article is not performed correctly, the system won't operate. 1005021.1 provides information on how to recover the system.


Be aware of <BUG: 15518904> Incorrect checksums for FW 5.20.11 patch ID <SUNPATCH: 114527-12>

The firmware and contents of the patch are fine, but the checksums reported in the README of the patch were incorrect (causing the README to have to be rewritten and posted). See the CR for details.
 
Keywords: scapp, upgrade, update, firmware, lom, flashupdate, rtos, sc, system controller, sgrtos, sgsc, lw8cpu, lw8pci, normalized
Previously Published As 81977

References

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