Notifications

Table 101 on page 155 lists the key notifications issued by the Server Manager entities.

Table 1. KVM hypervisor management notifications

Class	Event	Description
CloudController	AMQPTopicSubscriptionBroken	The subscription is broken due to one of the following: AMQP service shutdown or restarts. AMQP client connection closes. Consumer shutdown due to any reason. Connection between client and the AMQP server is broken. The event condition is IsSubscriptionBroken.
	CloudControllerAPIServiceBroken	All tenants and KVM hypervisors are not reachable via the NOVA API service for status update. The event condition is IsServiceUnreachable.
	Unreachable	The host is unresponsive. The event condition is IsHostingAgentUnresponsive.
Hypervisor	HostShutdown	The host where the KVM hypervisor resides is shut down.
	HostDown	The host where the KVM hypervisor resides is down.
	Down	Indicates when a KVM hypervisor is down and the down hypervisor is generating locally diagnosed impact symptoms and a cluster symptom.
VirtualMachine	PoweredOff	Indicates that the virtual machine power is turned off. Note: The PoweredOff event is also generated when a virtual machine is suspended from a OpenStack host.
	VMDeleted	Indicates that the virtual machine has been deleted from the host that it is associated within the current topology.
	VMAdded	Indicates that the virtual machine has been added to its current host.
	VMMigrated	Indicates when a virtual machine has been moved from one hypervisor to another hypervisor. This event is generated for both VM migration and live VM migration scenarios.
LogicalVolume	NotNormal	Indicates that the volume is not in a normal state due to the following reasons: An error occurred while creating a volume. An error occurred while deleting a volume. An error occurred while attempting to extend a volume. An error occurred while attempting to restore a backup.
VirtualInterface	AdministrativelyDown	Indicates that the virtual interface is disabled by administrator.
	Down	Indicates that the virtual interface is operationally down and is impacting virtual machine.
	InterfaceUnreachable	Indicates that the virtual interface is unreachable.
	VNICLostConnection	Indicates that the virtual interface has lost the connection to interface.
vRouter	NotResponsive	Indicates that the vRouter is down or administratively disabled.
	Down	Indicates that the vRouter is operationally down.
	Disabled	Indicates that the vRouter is administratively disabled.
OpenvSwitch	VSwitchLostConnection	Indicates that the virtual switch has lost the connection to interface.
Tenant	Impacted	Indicates that one or more components of this tenant, such as VM, logical volume, and so on, have failed.
	MightBeImpacted	Indicates that one or more components of this tenant, such as VM, logical volume, and so on, have failed.