Root-cause problems for KVM hypervisor management classes 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 |