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Cisco UCS: How often does the primary FI (fiber interconnect) blow up when you are upgrading the firmware on the subordinate FI?

This is a GREAT post over at Reddit ANYONE who takes upgrading code on Cisco UCS as BAU.

ALWAYS have serial access to a UCS logged in and watch the process of FI’s upgrading and rebooting. Have “Restoring from bricked FI” as part of the backout plan and practice in a lab.

I noticed this post because it has links back to http://realworlducs.com/

Sobering and entertaining stories of upgrades gone wrong at below link.

Cisco UCS: How often does the primary FI (fiber interconnect) blow up when you are upgrading the firmware on the subordinate FI? from sysadmin

Can honestly say “Been there, done that, have the t-shirt”

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