01-03-2020 02:09 PM - edited 07-05-2021 11:29 AM
Is there a good procedure for upgrading an HA pair of C9800's?
I found this:
But seems a bit clunky.
The GUI has an upgrade section, but it does not complete when in HA.
It gets to copying from Chassis 1 to Chassis 2, then the controllers swap roles, but they never upgrade.
The old 5500's used to upgrade both chassis with one operation.
I tried using the 'install add file' method.
That too says it is copying to the chassis 2, but only seems to upgrade one switch at a time.
I can get them upgraded, if I do one at a time. But seems like there should be a better method.
Thanks
01-05-2020 02:08 PM
the reason behind the one at a time, is because its trying to keep the APs online or the downtime to a min.
01-07-2020 06:59 AM
Thanks for the info.
But I must be doing something wrong.
I cannot upgrade both controllers without shutting one of them down.
I get into a continuous reboot of both controllers until I shut one down.
Here are the steps I am doing:
! Initial Version: 16.11.01c
! Chassis 1 Active, Chassis 2 Standby
Chassis 1:
install add file ftp://USER:PASSWORD@192.168.0.237/Cisco/9800/C9800-CL-universalk9.16.12.01s.SPA.bin
! bin file copies to both chassis
! Chassis 1 reboots, Switchover occurs
! Chassis 2 Active, Chassis 1 Standby
Chassis 2:
install add file bootflash:C9800-CL-universalk9.16.12.01s.SPA.bin
Chassis 2:
install activate
! Activate: Passed on [1 2]
! Both Chassis reboot
! Chassis 1 active - version 16.12.01s, but:
! Continuous reboot starts on both Chassis, starts after SSO syncs
! Shutdown Chassis 1, wait for Chassis 2 to come online
! Chassis 2 active - version 16.12.01s
! Start up Chassis 1
install commit
! After all this, both controllers are upgraded and stable.
01-13-2022 07:42 AM
did you ever solve your problem? looking to upgrade my 17.3.3 to 17.3.4c.
01-14-2022 02:04 AM
It's been so long, not sure I remember.
I think I ended up breaking the HA pair and upgrading individually.
Then re-enabling HA.
But I really don't remember now.
And that was on an old version.
05-19-2022 03:42 AM
Saw exactly the same from 17.3.3 to 17.3.5a, continuous boot-loop. Had to break HA to get them back up, stable after that.
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