Upgrading the cluster to KSMG 2.1.1

To upgrade the application to version 2.1.1 in a cluster containing multiple nodes:

  1. In the web interface of the Control node, go to the Nodes section and make sure that all cluster nodes are available and do not have errors.

    If the cluster node is not accessible or has errors, resolve all issues before starting the update.

  2. Install the update on one of the Secondary nodes.

    After the upgrade, the node becomes inaccessible to other cluster nodes. In the web interface of this node, you need to assign it the role of the new Control node.

  3. Install the update on each of the remaining Secondary nodes.

    After the update, each Secondary Node will be accessible to the new Control Node and inaccessible to the old Control Node.

  4. Install the update on the old Control node.

    Before installing the update, you must assign the Secondary node role to it in the web interface of this node.

As a result, all cluster nodes are upgraded to KSMG version 2.1.1 and are accessible from the new Control node.

If necessary, you can give back the Control node role to the node that previously was the Control node.

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