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Wism2 in High Availability - FUS Upgrade

panayiotiscy
Level 4
Level 4

‎04-30-2014 05:14 AM - edited ‎03-20-2019 08:13 PM

Hello all,

 

what is the procedure to be followed when upgrading the FUS on a WISM-2 in HA cluster?

Is it the same procedure that applies when upgrading the wism's code in HA?

Thank you

Edited:

The procedure is exactly the same as upgrading. First upgrade the image and then FUS.make sure that you are connected using console connection and definitely perform this within a maintenance window of at least 1 hour. 

 

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stormfidus
Level 1
Level 1

‎07-01-2014 01:05 PM

Hi,

Thanks for sharing this info.

Snipped from this guide also explains how its done:

 

The FUS image can be upgraded while the controllers have HA enabled. The secondary controller will 
get upgraded just like it does when upgrading the regular code. However, when you initiate the reboot 
on the primary controller both controllers will be unreachable until the FUS upgrade completes on both 
the active and the standby in the HA pair. This process will take around 30 to 40 minutes to complete 
just like in a non-HA FUS upgrade.

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