Edge CR status InstallLoopBackOff or UpdateLoopBackOff
After deploying or updating Edge, if the Edge CR status is InstallationLoopBackOff or UpdateLoopBackOff, as part of the output of kubectl get edge c8yedge -n c8yedge:
NAME DOMAIN NAME VERSION STATUS
c8yedge myown.iot.com 2025.0.1 InstallLoopBackOff
Describe the Edge CR (cumulocity-iot-edge) with the command kubectl describe edge c8yedge -n c8yedge.
In the events section, you will find the reasons for the install or update failure. For example:
Name: c8yedge
Namespace: c8yedge
API Version: edge.cumulocity.com/v1
Kind: CumulocityIoTEdge
Status:
Deploying Generation: x
State: InstallLoopBackOff
Events:
Type Reason Age From Message
------ ------ ---- ---- -------
Normal Installing 8m34s cumulocityiotedge installing Cumulocity Edge version tagged as 2025.0.1
……
……
Normal InstallLoopBackOff 1m00s cumulocityiotedge waiting for mongo server to be ready
MongoDB requires a CPU that supports AVX instructions. Ensure that the CPU type of the Kubernetes node supports AVX instructions. Use the command lscpu to check whether the CPU supports AVX instructions.
Check the logs of the Edge operator, MongoDB and core pods to get more insights.
The Edge operator logs:
kubectl logs -n c8yedge deployment.apps/c8yedge-operator-controller-manager -c manager
MongoDB logs:
kubectl logs -n c8yedge --all-containers --prefix statefulset.apps/edge-db-rs0
Core logs:
kubectl logs -n c8yedge --all-containers --prefix statefulset.apps/c8ycore-sts
Pending external cumulocity-ontoplb service IP
The external IP is not assigned to the cumulocity-ontoplb service.
Output of kubectl get service cumulocity-ontoplb -n c8yedge:
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
cumulocity-ontoplb LoadBalancer X.X.X.X **REDACTED <pending> 443:32443/TCP,8443:32442/TCP,1883:32083/TCP,8883:32084/TCP ... 12m
For more information, see Assigning an external IP.
Edge not showing up as a device in the cloud tenant
Edge is unable to register itself as a device in your cloud tenant.
Describe the Edge CR kubectl describe edge c8yedge -n c8yedge
In the events section, you will find an event with a reason. For example:
Name: c8yedge
Namespace: c8yedge
API Version: edge.cumulocity.com/v1
Kind: CumulocityIoTEdge
Status:
Deployed Generation: x
State: Ready
Events:
Type Reason Age From Message
---- ------ ---- ---- -------
Normal Installing 8m34s cumulocityiotedge installing Cumulocity Edge version tagged as 2025.0.1
……
……
Normal Ready 1m00s cumulocityiotedge Cumulocity Edge installation is complete, and it's now running version 2025.0.1
Warning FailedToRegisterCloudDevice 0m30s cumulocityiotedge Device failed to connect to <cloud tenant domain>, you might not have uploaded the device certificate to Cumulocity
Possible reasons:
-
You didn’t add the Certificate Authority (CA) certificate to the trusted certificate list of your tenant. For completing the registration process, sign into your cloud tenant and follow the steps described in Managing trusted certificates to add the Certificate Authority (CA) certificate to the trusted certificate list of your tenant. For more details, see Device certificates. For more information see Connecting Edge to the cloud.
-
The specified cloud tenant domain is not reachable or incorrect.
If you must contact product support, include the output of the diagnostics dump. For more information about accessing diagnostic logs, see Accessing logs.