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

- Impact (vendor’s label): major
- Status: resolved
- Started: 2026-10-15 05:34 UTC · Resolved: 2026-10-15 16:12 UTC · Duration: 11 h
- Updates: 4 · Affected components: Compute Cloud, EU-WEST2 - Compute Cloud
- [Vendor status page: https://stspg.io/tvp525c6c7lf](https://stspg.io/tvp525c6c7lf)
- [Company: Nebius](https://rewindex.com/company/nebius.md)

## Timeline of updates

- **investigating** 2026-10-15 05:34 UTC: We are currently investigating this issue.
- **investigating** 2026-10-15 09:32 UTC: We have identified the root cause and taken the necessary corrective actions to address the issue. We are monitoring the service to confirm recovery.
- **monitoring** 2026-10-15 13:13 UTC: We have taken corrective actions to stabilize the affected infrastructure and are working to address the root cause. Recovery is still in progress, and we are closely monitoring service health. We will confirm mitigation once recovery and stability checks are complete.
- **resolved** 2026-10-15 16:12 UTC: This incident has been resolved.

## Rewindex changes for this incident

- 2026-10-15 05:34 UTC: [Major incident: InfiniBand connectivity issues for GPU clusters in eu-west2](https://rewindex.com/change/i0acc1685a11607.md)


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Canonical: https://rewindex.com/company/nebius/incidents/sdb2htxgyprr · Markdown: https://rewindex.com/company/nebius/incidents/sdb2htxgyprr.md · JSON: https://rewindex.com/api/v1/companies/nebius/incidents/sdb2htxgyprr · Generated 2026-10-19T23:15:06.626Z