Skip to content
Nodes - HAC documentation hub

Nodes

The nodes page provides details of the nodes in the cluster, including licensing status, the main IP address, the unique UUID and the version of RSF-1 running:

nodes-main-page

Replacing a cluster node

The nodes page allows a user with adminastrative privilege to replace any node in the cluster, other than the node they are currently logged into as this is used to orchestrating the replacement process.

In the above example, the administrator is logged into node-a and node-b is offered for replacement; to replace node-a simply login to node-b:

nodes-other

Prerequisites

Before attempting to replace a node you must ensure there is a suitable 'replacement' node available that has been prepared as follows:

  • RSF-1 is installed and licensed
  • The host file contains the IP address of the other nodes in the cluster
  • All services have been moved off the node that is about to be replaced
  • Any dependant services/packages are installed, such as Samba, NFS, iSCSI etc

Please also ensure the orchestrating node has the replacement nodes' IP address in its host file.

To begin the replacement process click REPLACE <NODE>:

  1. The system will start to scan for available replacement nodes:

    nodes-replace-searching

  2. Select the replacement node from the list:

    nodes-replace-select-node

  3. Click the REPLACE <NODE> button to start the replacement process:

    nodes-replace-replacing

Once replaced the dashboard will reflect the new cluster nodes:

nodes-replace-dashboard-after