Following table lists the key notifications issued by the Server Manager entities.

Table 1. VIO management notification
Class Event Descriptions
ClusterManager ServiceAffected The OpenStack Management Server is not functioning properly.
ControllerService ServiceAffected The Controller Service is not functioning properly.
ComputeService ServiceAffected The Compute Service is not functioning properly.
ControllerServiceCluster AtRisk Indicates that the number of functioning components is below the AtRiskThreshold
ReducedRedundancy Indicates at least one component is not functioning but the total number of functioning components is above.
AllComponentsDown Indicates that all of the components in the redundancy group are down.

Refer Notifications section of KVM Hypervisor Management, for existing notifications apart from the above listed topology objects.