# Nebius: InfiniBand connectivity issues for GPU clusters in eu-west2

- Provider: [Nebius](https://outages.live/nebius.md)
- Type: Incident
- State: Resolved
- Worst impact: Degraded performance
- Started: 2026-10-03 02:30 UTC
- Resolved: 2026-10-03 08:59 UTC (lasted 6 h 28 min)
- Components: Compute Cloud, EU-WEST2 - Compute Cloud
- Official update: https://stspg.io/009trxn03dnj

## Updates from Nebius

### resolved, 2026-10-03 08:59 UTC

This incident has been resolved.

### monitoring, 2026-10-03 07:44 UTC

A fix has been implemented and we are monitoring the results.

### identified, 2026-10-03 04:45 UTC

We have identified the cause of the InfiniBand connectivity issues. Our on-site team is working to resolve it. We will provide an update as soon as we have more information.

### investigating, 2026-10-03 02:30 UTC

We are investigating InfiniBand connectivity issues affecting some GPU clusters in Compute Cloud in eu-west2. Distributed training jobs on affected clusters may experience degraded interconnect performance or failures. We will provide an update as soon as we have more information.
