Upgrading the Engineering Lifecycle Management instance
Complete the following upgrade tasks to all the Engineering Lifecycle Management
operator and Engineering Lifecycle Management instance to update to the new versions.
Upgrade strategy for the Engineering Lifecycle Management instance
The Operator Lifecycle Manager manages the lifecycle of operators by using channels. Engineering Lifecycle Management on Hybrid Cloud facilitates the Operator Lifecycle Manager and channels to support the product upgrades. When an interim fix, a mod, a release, or a version update is available, the Operator Lifecycle Manager creates an update request. After the update request is approved according to the approval strategy, the Engineering Lifecycle Management operator is upgraded to the new version by Operator Lifecycle Manager.
Upgrade process overview
The upgrade of Engineering Lifecycle Management requires the Engineering Lifecycle Management operator upgrade and Engineering Lifecycle Management instance upgrade in the sequence. You must upgrade the Engineering Lifecycle Management instance immediately after you complete the Engineering Lifecycle Management operator upgrade.
Upgrading Engineering Lifecycle Management Operator
You can apply the version or release or mod level updates to the Engineering Lifecycle Management operator by upgrading to a version that supports the new version or release or mod level.
Upgrading the Engineering Lifecycle Management instance
You can use the following steps to upgrade the Engineering Lifecycle Management instance. The upgrade can also be performed by using different methods.
Defining the custom upgrade groups for Engineering Lifecycle Management instance
The custom upgrade groups help you to control the upgrade sequence according to your upgrade strategy and maintenance schedule. You can define the custom upgrade groups before you start the Engineering Lifecycle Management instance upgrade. To define the custom upgrade groups, you must create a configmap that is named elm-upgrade-groups-config , which contains the group definitions. The Engineering Lifecycle Management operator uses the configmap to define the upgrade sequence of Engineering Lifecycle Management applications.