Data center power and cooling

Cases, by severity

1. IL-0134 A power event at Lambda's AUS01 data center rebooted 246 GPU nodes, all spine switches and the VAST storage, failing customer workloads and leaving stale NFS mounts on VMsLambda · 2026 · sev1

   Root cause Dependency failure

2. 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

3. IL-0135 A power source switch during UPS maintenance cut power to a row of GPU servers and shut down Crusoe Cloud VMs in us-northcentral1Crusoe Cloud · 2023

   Root cause Dependency failure