# Nebius: Major incident: InfiniBand switch failure affecting GPU workloads in the eu-north1-c fabric in the eu-north1 region

**Summary:** _summary pending_
- Kind: Major incident · Label: major (vendor)
- Changed: 2026-07-14 22:10 UTC · Detected: 2026-10-19 17:03 UTC
- [Source: https://stspg.io/rx1ktgglx66r](https://stspg.io/rx1ktgglx66r)
- [Company: Nebius](https://rewindex.com/company/nebius.md)
- Versions: before (none: first archived) → after incident\_version:681/7vddzqwz2f9w@3874e0c2a60a
- Change 1 of 1 for this incident

Incident page (full timeline): [InfiniBand switch failure affecting GPU workloads in the eu-north1-c fabric in the eu-north1 region](https://rewindex.com/company/nebius/incidents/7vddzqwz2f9w.md)
## What changed

**1. Added: Title**

```diff
+ InfiniBand switch failure affecting GPU workloads in the eu-north1-c fabric in the eu-north1 region
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-07-14 22:10 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-07-14 22:32 UTC
```

**6. Added: Affected components**

```diff
+ Compute Cloud, EU-NORTH1 - Compute Cloud
```

**7. Added: Update** (investigating) · 2026-07-14 22:10 UTC

```diff
+ We are currently investigating this issue.
```

**8. Added: Update** (resolved) · 2026-07-14 22:32 UTC

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

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-07-14 22:10 UTC | Major incident: InfiniBand switch failure affecting GPU workloads in the eu-north1-c fabric in the eu-north1 region (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/id25b126f4907da · Markdown: https://rewindex.com/change/id25b126f4907da.md · JSON: https://rewindex.com/api/v1/changes/id25b126f4907da · Generated 2026-10-20T00:00:43.751Z