Update an MCP cluster¶

Use the procedures in this section to apply minor updates to specific components of your MCP deployment with granular control requiring manual interventions.

Minor updates enable:

• Delivering hot fixes to source code of OpenStack, Kubernetes, or MCP Control Plane
• Updating packages for an OpenStack service
• Updating the OpenContrail 4.x nodes
• Applying security patches to operating system components and packages
• Updating Virtlet to minor versions within the scope of a major release version
• Updating Ceph packages to latest minor versions
• Updating StackLight LMA

The sequence of steps to be completed for the MCP components during a maintenance update is described in the Apply maintenance updates section of the corresponding MCP maintenance update version in MCP Release Notes: Maintenance updates.