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Service Profile Association
During this stage, you include the firmware packages in a service profile, and then associate the service
profile with a server. The system pushes the selected firmware versions to the endpoints. For a host
firmware package, the server is rebooted to ensure that the endpoints are running the versions specified
in the firmware package.
Existing Service Profile
If the service profile is already associated with a server, Cisco UCS Manager upgrades the firmware as soon
as you save the changes to the host firmware packages. For a host firmware package, Cisco UCS Manager
reboots the server as soon as the change is saved.
Firmware Downgrades
You downgrade firmware in a Cisco UCS domain in the same way that you upgrade firmware. The package
or version that you select when you update the firmware determines whether you are performing an upgrade
or a downgrade.
The Cisco UCS Manager GUI does not allow you to choose options that a release does not support. If a
Cisco UCS domain includes hardware that is not supported in the release to which you are downgrading,
Cisco UCS Manager GUI does not display the firmware as an option for that hardware or allow you to
downgrade to it.
Note
Completing the Prerequisites for Upgrading the Firmware
Prerequisites for Upgrading and Downgrading Firmware
All endpoints in a Cisco UCS domain must be fully functional and all processes must be complete before you
begin a firmware upgrade or downgrade on those endpoints. You cannot upgrade or downgrade an endpoint
that is not in a functional state. For example, the firmware on a server that has not been discovered cannot be
upgraded or downgraded. An incomplete process, such as an FSM that has failed after the maximum number
of retries, can cause the upgrade or downgrade on an endpoint to fail. If an FSM is in progress, Cisco UCS
Manager queues up the update and activation and runs them when the FSM has completed successfully.
Colored boxes around components on the Equipment tab may indicate that an endpoint on that component
cannot be upgraded or downgraded. Verify the status of that component before you attempt to upgrade the
endpoints.
The Installed Firmware tab in Cisco UCS Manager GUI does not provide sufficient information to
complete these prerequisites.
Note
Before you upgrade or downgrade firmware in a Cisco UCS domain, complete the following prerequisites:
• Review the Release Notes.
Cisco UCS Manager GUI Configuration Guide, Release 2.0
OL-25712-04 199
Firmware Downgrades