Caution
Before proceeding with the upgrade procedure, verify that you have updated DriveTrain including Aptly, Gerrit, Jenkins, Reclass, Salt formulas, and their subcomponents to the current MCP release version. Otherwise, the current MCP product documentation is not applicable to your MCP deployment.
This section describes how to apply minor updates to the OpenContrail 4.x nodes, for example, from version 4.0 to 4.1.
To update the OpenContrail 3.2 packages, refer to the Upgrade the OpenContrail nodes to version 3.2 procedure.
Caution
OpenContrail 4.x for Kubernetes 1.12 or later is not supported.