High availability (HA) groups can be used to provide highly available data connections for S3 and Swift clients. HA groups can also be used to provide highly available connections to the Grid Manager and the Tenant Manager.
What an HA group is
High availability groups use virtual IP addresses (VIPs) to provide active-backup access to Gateway Node or Admin Node services.
How HA groups are used
You might want to use high availability (HA) groups for several reasons.
Configuration options for HA groups
The following diagrams provide examples of different ways you can configure HA groups. Each option has advantages and disadvantages.
Creating a high availability group
You can create one or more high availability (HA) groups to provide highly available access to the services on Admin Nodes or Gateway Nodes.
Editing a high availability group
You can edit a high availability (HA) group to change its name and description, add or remove interfaces, or add or update a virtual IP address.