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3 Posts

01-24-2018

Bulgaria

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Failure Firmware upgrade on Lenovo Flex Chassis

2018-01-24, 9:37 AM

Hello,

 

we have 2 chassis, each with 2 EN4093R network IO modules. These modules are connected in stack in circles topology:

chassis1-sw1 to chassis1-sw2 and to chassis2-sw1,chassis2-sw1 to chassis2-sw2 and chassis1-sw1, chassis1-sw2 to chassis1-sw1 and to chassis2-sw2.

We tried to upgrade the firmware from version 8.3.8.0 to 8.4.6.0. After the reload, only chassis2-sw1 is working. The other 3 switches show "Attention" state, saying they have not completed POST.

 

Anyone with similar issues? We have tried to reboot them, but to no avail.

 

Regards,

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126 Posts

08-24-2016

China

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Re: Failure Firmware upgrade on Lenovo Flex Chassis

2018-01-29, 2:23 AM

I'm not sure that have you followed firmware update procedure in stack mode

The master switch module should be updated firstly ,then it will push new image to other members in a few of minutes . If the image pushing is still in proccess ,you power cycle the master or member switches ,that may cause that image is corrupted.

If the member switch image is corrputed ,then you can use recover mode to download new image through tftp.

To enter recovery mode ,you connect to switch mini-usb console port ,and reboot switch.

When you see system display memory test from console , then presss"shift +B". You will following boot menu:

**************
Boot Management Menu
I - Change booting image
C - Change configuration block
R - Boot in recovery mode (tftp and xmodem download of images to
recover switch)
Q - Reboot
E - Exit
Please choose your menu option:
*************************

Below is update procedure for stacking switches.
******************************
Upgrading Software in an Existing Stack

Upgrade all stacked switches at the same time. The Master controls the upgrade
process. Use the following procedure to perform a software upgrade for a stacked
system.
1. Load new software on the Master.
The Master pushes the new software image to all Members in the stack, as follows:
If the new software is loaded into image 1, the Master pushes the software into
image 1 on all Members.
If loaded into image 2, the Master pushes the software into image 2 on all
Members.
The software push can take several minutes to complete.
2. Verify that the software push is complete. Use either the BBI or the ISCLI:
From the BBI, go to Dashboard > Stacking > Push Status and view the Image
Push Status Information, or
From the ISCLI, use following command to verify the software push:

***************************
EN 4093(config)# show stack push-status
Image 1 transfer status info:
Switch 00:16:60:f9:33:00:
last receive successful
Switch 00:17:ef:c3:fb:00:
not received file
not sent or transfer in progress
Image 2 transfer status info:
Switch 00:16:60:f9:33:00:
last receive successful
Switch 00:17:ef:c3:fb:00:
last receive successful
Boot image transfer status info:
Switch 00:16:60:f9:33:00:
last receive successful
Switch 00:17:ef:c3:fb:00:
last receive successful
Config file transfer status info:
Switch 00:16:60:f9:33:00:
last receive successful
Switch 00:17:ef:c3:fb:00:
last receive successful
***********************

3. Reboot all switches in the stack. Use either the ISCLI or the BBI.
From the BBI, select Configure > System > Config/Image Control. Click Reboot
Stack.
From the CLI, use the following command:
EN 4093(config)# reload

4. Once the switches in the stack have rebooted, verify that all of them are using the
same version of firmware. Use either the ISCLI or the BBI.
From the BBI, open Dashboard > Stacking > Stack Switches and view the Switch
Firmware Versions Information from the Attached Switches in Stack.
From the CLI, use the following command:
*******************************
EN 4093(config)# show stack version
Switch Firmware Versions:
asnum csnum MAC S/W Version Serial #
A1 C1 00:00:00:00:01:00 image1 8.3.1.0 Y010CM322026
A2 C2 00:11:00:af:ce:00 image1 8.3.1.0 Y010CM322030
A3 00:22:00:ad:43:00 image1 8.3.1.0 Y010CM322036
*****************************

Since need further review more logs to determine and solve your issue ,we recommend opening a support ticket to Lenovo support to address.

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126 Posts

08-24-2016

China

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  • Message 3 of 4

Re: Failure Firmware upgrade on Lenovo Flex Chassis

2018-01-29, 4:55 AM
Further verify in lab , it seems that don't have a occasion to cause image corrupted on member switch,the update process on master switch will also monitor update status on member switches , till all update process is complete on member switch ,then it will remin that the update is complete.

So,to determine if the post failure is caused by corrupted image ,you should connect to console port for switches in questions ,then see what happens ,or collect the output to Lenovo support for analysis.
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3 Posts

01-24-2018

Bulgaria

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  • Message 4 of 4

Re: Failure Firmware upgrade on Lenovo Flex Chassis

2018-01-29, 8:21 AM

Hello,

 

turns out, the "faulty" switches decided to boot the older version of firmware. A tecnician visited the site and fixed the faulty boot.

Next time we visit the site, we will put serial cables in the switches for such cases;-)

 

Regards

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