Viewing and modify cluster properties

Procedure

  1. From the cluster management console Dashboard, select System & Services > Cluster > Properties.

    The Properties page displays.

  2. View and modify the cluster properties.
    1. The cluster name cannot be changed after installation.
    2. Add or remove user accounts as cluster administrators.
      There is an Admin default account, which sets this user as cluster administrator by default.
    3. If desired, modify the resource allocation behavior for the cluster.
      • Reclaim shared resources: Reclaims resources from any consumer that has been allocated too many resources for its current needs.
      • Reclaim lent resources before borrowing: When there is an unmet allocation request, sets the cluster to reclaim resources that have been lent out before borrowing begins.
      • Optimized for standby service: Select this option when you have standby services configured in the cluster. EGO will reclaim the slots having standby services from other consumers before allocating slots not having standby services.
      • Optimized for application specified conditions: Enables the selective reclaim feature.
    4. View resource groups available to the entire cluster.
      By default, there are three resource groups created when you install IBM® Spectrum Symphony:
      • ComputeHosts: By default, includes any host in your cluster that is not a management host. These hosts are available to run work.
      • InternalResourceGroup: Group of hosts that run internal processes.
      • ManagementHosts: Includes your primary host and any failover candidates plus any other host where you have installed the management host package.