Incident Library

Organisation

Nebius

Nebius · nebius

1 case · 2026

Root cause Dependency failure

Component Cloud block storage Data center power and cooling etcd InfiniBand fabric

Contributing factor Monitoring blind spot No alert on limit No runbook Overlapping failures Single point of failure

Symptom Control plane unresponsive Monitoring outage Service outage

Cases

IL-0133 A storm shut down cooling at Nebius's us-central1 data center, and a disk hot-plug bug kept Managed Kubernetes control planes down for hours after power returnedNebius · 2026
Root cause Dependency failure