Root-cause problems for KVM hypervisor management classes table lists the root-cause problem diagnosed and the impacted classes.
| Scenario |
Class |
Root-cause |
Impacted class |
Impacted events |
|---|---|---|---|---|
| OpenStack Rabbit MQ subscription is broken. |
CloudController |
CloudControllerCommunicationBroken |
CloudController |
AMQPTopicSubscriptionBroken |
| Application |
RabbitMQ Missing Process |
|||
| Hypervisor |
Shutdown |
|||
| NOVA API service is down. |
CloudController |
CloudControllerCommunicationBroken |
CloudController |
CloudControllerAPIServiceBroken |
| Cloud Controller host is down. |
Host |
Down |
CloudController |
Unreachable |
| Hypervisor |
HostLostConnection |
|||
| Hypervisor |
Down |
|||
| VirtualMachines |
DownOrImpaired |
|||
| Host |
Unresponsive |
|||
| Application |
ImpactedBy_HostUnresponsive |
|||
| Interface |
InterfaceLostConnection |
|||
| Hypervisor host is down. |
Hypervisor |
Down |
VirtualMachines |
DownOrImpaired |
| Hypervisor |
HostLostConnection |
|||
| Hypervisor |
PowerOff |
|||
| Interface |
InterfaceLostConnection |
|||
| Physical switch connected to Cloud Controller host goes down. |
Switch |
Down |
VirtualMachines |
DownOrImpaired |
| Host (Hypervisor) |
Unresponsive |
|||
| CloudController |
Unreachable |
|||
| Application |
ImpactedBy_HostUnresponsive |
|||
| Switch |
Unresponsive |
|||
| Logical/tap Interface is down. |
Interface |
Down/Disable |
VirtualInterface |
VNICLostConnection |
| VirtualMachine |
VMLostConnection |
|||
| Logical volume is down. |
LogicalVolume |
LogicalVolumeDown |
LogicalVolume |
NotNormal |
| VirtualMachine |
DownOrImpaired |
|||
| IPStoragePathDown |
Down |
|||
| Tenant |
MightBeImpacted |
|||
| Virtual interface is down. |
VirtualInterface |
Down/Disabled |
Tenant |
Impacted |
| VirtualMachine |
VMLostConnection |
|||
| vRouter is down or disabled. |
vRouter |
Down/Disabled |
VirtualMachine |
MightBeUnreachable |
| vRouter |
NotResponsive |
|||
| Tenant |
MightBeImpacted |
|||
| Open vSwitch application is down. |
OVSApplicationServiceGroup |
Down |
VirtualMachine |
VMLostConnection |
| VirtualInterface |
VNICLostConnection |
|||
| OpenvSwitch |
VSwitchLostConnection |
|||
| OVSApplicationServiceGroup |
ApplicationServiceGroupDown |
|||
| Application |
MissingProcess |
|||
| To detect the failure in various services offerings caused by application being down. |
AMQPServiceGroup |
AppServiceGroupIsDown |
CloudController |
AMQPServiceAffected |
| AMQPServiceGroup |
AppServiceGroupDown |
|||
| Application |
MissingProcess |
|||
| NovaApplicationServiceGroup |
AppServiceGroupIsDown |
CloudController |
ComputeServiceAffected |
|
| NovaApplicationServiceGroup |
AppServiceGroupDown |
|||
| ApplicationGroup |
MissingProcess |
|||
| CinderApplicationServiceGroup |
AppServiceGroupIsDown |
CloudController |
BlockStorageServiceAffected |
|
| CinderApplicationServiceGroup |
AppServiceGroupDown |
|||
| ApplicationGroup |
MissingProcess |
|||
| KeyStoneApplicationServiceGroup |
AppServiceGroupIsDown |
CloudController |
IdentiyServiceAffected |
|
| KeyStoneApplicationServiceGroup |
AppServiceGroupDown |
|||
| ApplicationGroup |
MissingProcess |
|||
| NeutronApplicationServiceGroup |
AppServiceGroupIsDown |
CloudController |
NetworkServiceAffected |
|
| NeutronApplicationServiceGroup |
AppServiceGroupDown |
|||
| ApplicationGroup |
MissingProcess |
