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

**Summary:** _summary pending_
- Kind: Major incident · Label: major (vendor)
- Changed: 2026-10-14 09:54 UTC · Detected: 2026-10-19 17:03 UTC
- [Source: https://stspg.io/d25qbplvcpyn](https://stspg.io/d25qbplvcpyn)
- [Company: Nebius](https://rewindex.com/company/nebius.md)
- Versions: before (none: first archived) → after incident\_version:681/qb5k9v6s04m3@bdabfd6d81db
- Change 1 of 1 for this incident

Incident page (full timeline): [InfiniBand connectivity issues for GPU clusters in eu-west2](https://rewindex.com/company/nebius/incidents/qb5k9v6s04m3.md)
## What changed

**1. Added: Title**

```diff
+ InfiniBand connectivity issues for GPU clusters in eu-west2
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-10-14 09:54 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-10-14 10:52 UTC
```

**6. Added: Affected components**

```diff
+ Compute Cloud, EU-WEST2 - Compute Cloud
```

**7. Added: Update** (identified) · 2026-10-14 09:54 UTC

```diff
+ 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.
```

**8. Added: Update** (resolved) · 2026-10-14 10:52 UTC

```diff
+ This incident has been resolved.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-10-14 09:54 UTC | Major incident: InfiniBand connectivity issues for GPU clusters in eu-west2 (this change) | major |

All Nebius changes: [timeline](https://rewindex.com/company/nebius/changes.md)
_Diff excerpts are shown on normalized text: dates, counters and tokens appear as ‹date›, ‹count›, ‹tok›; noise-only edits are hidden. Rewindex shows the changed passages, not a copy of the page._


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Canonical: https://rewindex.com/change/ic0ac759abb7460 · Markdown: https://rewindex.com/change/ic0ac759abb7460.md · JSON: https://rewindex.com/api/v1/changes/ic0ac759abb7460 · Generated 2026-10-19T23:13:31.551Z