1. Virtual Network Functions Manager Installation and User Guide
  2. Upgrading VNFM

6 Upgrading VNFM

The VNFM upgrade must be performed in the following sequence for both Primary and Secondary VNFM:

  1. Change the VNFM state to secondary.
  2. Delete the current VNFM stack. All the data is stored in the volume that is created during the installation process. This acts as a persistent storage, so the stack can be safely deleted and the volume is automatically detached from the stack.
  3. Follow the steps provided in the VNFM Installation procedure with the new IMAGE provided. Flavor, Volume need not be created again. The existing volume ID should be given as the volume ID in the dsrVnfmParams.yaml file.

Note:

  • VNFM supports both the fixed and dynamic IP support. In order to bring up the new VNFM with the same IP as the existing one, the user can use FIXED IP deployment model.
  • If the existing volume required to be attached to other stack is full (around 7GB), then it takes some time to boot the VNFM and load the data.