Add an arbitration service group

This topic describes how to add an arbitration service group for a cluster.

Prerequisites

• Make sure that you have the following permissions:

  • Resource permissions: Cluster maintenance permission.
  • Menu permissions: Permission on the Overview menu of clusters.

• The OceanBase cluster and the arbitration service group are both in the Running state.

• The level-1 and level-2 version numbers of the OceanBase cluster are the same as those of the arbitration service group. For example, the version numbers of both the OceanBase cluster and the arbitration service group are V4.2.x.x.

• You can add only one arbitration service group for each cluster.

Procedure

1. Log in to the OCP console.

2. In the left-side navigation pane, click Clusters. The Clusters tab automatically appears.

3. On the Clusters page, find the target cluster and click its name.

4. On the Overview page of the cluster, go to the Add Service Group panel in either of the following ways:

   • Click the More icon in the upper-right corner and select Add Service Group.
   • In the Arbitration Service List section, click Add, and select Service Group.

5. In the Add Service Group panel, specify the parameters.

   Parameter	Description
   Service Group	You can select an existing service group, or click Create Service Group at the bottom of the drop-down list to create a service group for the cluster. For more information, see Create an arbitration service group.
   Arbitration Service Endpoint	The endpoint of the arbitration service. You can select an existing arbitration service endpoint, or click Create Arbitration Service at the bottom of the drop-down list to create an arbitration service of the required version. For more information, see Create an arbitration service.
   Enable Arbitration Service for 4F/2F Tenants	If you select this option, the arbitration service is enabled for the tenants that have two or four full-featured replicas in the cluster.

6. Click Add.