IONOS Cloud incident

MK8s Control Plane: Partial Outage

Resolved after 3 hours 2 minutes, affecting Managed Kubernetes, on June 22, 2026.

resolved Jun 22, 2026, 11:04 AM UTC

We have marked this incident as resolved. Several underlying VMs entered an unhealthy state, which increased the CPU load on the remaining healthy VMs supporting the service. This cascaded into the intermittent availability issues. All systems are now operating normally.

Started
Jun 22, 2026, 08:01 AM UTC
Resolved
Jun 22, 2026, 11:04 AM UTC
Duration
3h 2m
Detected by Pingoru
Jun 22, 2026, 08:01 AM UTC

Affected components

Managed Kubernetes

Update timeline

  1. investigating Jun 22, 2026, 08:01 AM UTC

    We are currently investigating issues with the MK8s control plane

  2. monitoring Jun 22, 2026, 08:15 AM UTC

    Control Planes are reachable again. Our MK8s Team is currently investigating the root cause for the service interruption.

  3. identified Jun 22, 2026, 08:35 AM UTC

    We have observed another spike and are setting the incident back to active. Our MK8s Team is informed and are actively working the incident.

  4. resolved Jun 22, 2026, 11:04 AM UTC

    We have marked this incident as resolved. Several underlying VMs entered an unhealthy state, which increased the CPU load on the remaining healthy VMs supporting the service. This cascaded into the intermittent availability issues. All systems are now operating normally.

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