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When adding a second PSU to UCS C220 M4S server for redundancy, does the firmware need to match?

misc_cucm
Level 1
Level 1

Like the title says, I have two UCS C220 M4S servers and they only have a single PSU installed in each chassis. If I purchase a secondary identical PSU, do the firmware versions need to match? Or can I just hot-install them and call it a day?

1 Reply 1

Kirk J
Cisco Employee
Cisco Employee

Don't usually see customers go out of way to run HUU just for syncing up the PSU firmware.  This scenario also shows up when a PSU is replaced via RMA.

Next time you do an upgrade with the HUU, it should take care of the PSU firmware though.

 

Kirk...

Review Cisco Networking products for a $25 gift card