# Dremio: Critical incident: Dremio Cloud (US) is inaccessible

**Summary:** Dremio Cloud (US) was inaccessible during a critical outage from 2025-02-28 00:39 UTC to 2025-02-28 08:49 UTC, lasting 8 h 10 min. Dremio attributed the outage to an infrastructure issue affecting core services; all services were restored, with successful recovery of users’ projects reported. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2025-02-28 00:39 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/7sdz9ds037hf](https://stspg.io/7sdz9ds037hf)
- [Company: Dremio](https://rewindex.com/company/dremio.md)
- Versions: before (none: first archived) → after incident\_version:144/crs65tf2dcbs@d3c4dc4e2e59
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Dremio Cloud (US) is inaccessible
```

**2. Added: Impact**

```diff
+ critical
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2025-02-28 00:39 UTC
```

**5. Added: Resolved time**

```diff
+ 2025-02-28 08:49 UTC
```

**6. Added: Affected components**

```diff
+ Dremio Cloud - US - Site Availability, Site Availability
```

**7. Added: Update** (investigating) · 2025-02-28 00:39 UTC

```diff
+ We have detected an outage impacting our Dremio Cloud (US) service. We are investigating the cause and will provide another update within 30 minutes.
```

**8. Added: Update** (identified) · 2025-02-28 01:06 UTC

```diff
+ We have identified an infrastructure issue that is impacting accessibility to Dremio Cloud (US). We are working urgently to restore the affected infrastructure.
```

**9. Added: Update** (identified) · 2025-02-28 02:07 UTC

```diff
+ We have identified an infrastructure issue that is impacting accessibility to Dremio Cloud (US). We are continuing to work urgently to restore the affected infrastructure.
```

**10. Added: Update** (identified) · 2025-02-28 05:27 UTC

```diff
+ We have identified an infrastructure issue that is impacting accessibility to Dremio Cloud (US). We are still working on bringing full restoration to the affected infrastructure.
```

**11. Added: Update** (identified) · 2025-02-28 06:54 UTC

```diff
+ We identified an infrastructure issue that affected core services for Dremio Cloud (US). We are continuing to work urgently to restore full access to customers.
```

**12. Added: Update** (identified) · 2025-02-28 06:57 UTC

```diff
+ We identified an infrastructure issue that affected core services for Dremio Cloud (US). We are continuing to work urgently to restore full access to customers.
```

**13. Added: Update** (monitoring) · 2025-02-28 07:34 UTC

```diff
+ We have restored core services for Dremio Cloud (US) and are seeing recovery of users' projects. We are continuing to monitor the environment. We apologize for any inconvenience caused.
```

**14. Added: Update** (resolved) · 2025-02-28 08:49 UTC

```diff
+ We have restored all services for Dremio Cloud (US) and are seeing successful recovery of users' projects. We apologize for any inconvenience caused and will publish a post-mortem for this incident in the coming days.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2025-02-28 00:39 UTC | Critical incident: Dremio Cloud (US) is inaccessible (this change) | outage |

All Dremio changes: [timeline](https://rewindex.com/company/dremio/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/id16362f03552e7 · Markdown: https://rewindex.com/change/id16362f03552e7.md · JSON: https://rewindex.com/api/v1/changes/id16362f03552e7 · Generated 2026-10-18T01:53:54.887Z