Rollback LTS2 5.6

With LTS2, it is necessary to migrate existing management server environments running on VMs to be able to run as a management cluster. The following steps walk through that process.

Download and Install new Airctl packages.

Run Pre-Checks

Backup Management Server

Ensure that the backup generated has the mongo and mysql data.

Stop and delete Management Server

Update Airctl config to use new Management Server values

Specifically, the following fields need to be set in**````/opt/pf9/airctl/conf/airctl-config.yaml:``**

The externalIP needs to be a VIP on the same L2 network as the nodelet host(s), but different from the nodelet host's IP.

Nodelet Prerequisites

Uninstall docker

Install libcgroup-tools

Deploy nodelet cluster

Initialize airctl

Deploy Management Cluster

Wait for Management Cluster services to be up

The airctl status command reports the state of the Management Server. Wait until the status command reports the task state as ready.

Migrate Management Server data to Management Cluster

Same version upgrade of Management Server

Wait for Management Server services to be up

The airctl status command reports the state of the Management Server. Wait until the status command reports the task state as ready.

Configure PMK hosts to work with Management Cluster

Upgrade PMK hosts to new components of Management Cluster

Wait for Task State to report Ready again

Migrate previous clusters to run on Management Cluster

Push Docker images to Management Cluster docker registry