# Upstash: Major incident: Disk failure in some Regional Databases

**Summary:** Upstash reported a major outage affecting database reachability in AWS US-EAST-1 and Redis Regional - AWS US-EAST-1. Recorded start and resolution: 2025-01-29 18:03 UTC (computed duration: 0 min); the update reports disk failure at 16:52 UTC and recovery at 17:13 UTC after restarting affected components, with no data lost. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2025-01-29 18:03 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/tmvldvxk14l5](https://stspg.io/tmvldvxk14l5)
- [Company: Upstash](https://rewindex.com/company/upstash.md)
- Versions: before (none: first archived) → after incident\_version:171/9sny6kxlj0y0@fc1aba9659fa
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Disk failure in some Regional Databases
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2025-01-29 18:03 UTC
```

**5. Added: Resolved time**

```diff
+ 2025-01-29 18:03 UTC
```

**6. Added: Affected components**

```diff
+ AWS US-EAST-1, Redis Regional - AWS US-EAST-1
```

**7. Added: Update** (resolved) · 2025-01-29 18:03 UTC

```diff
+ We observed a disk failure on some instances on 16:52 UTC and restarted affected components to bring them back online. Issue is resolved on 17:13 UTC.  During the time of the issue databases reachability are affected, no data is lost.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2025-01-29 18:03 UTC | Major incident: Disk failure in some Regional Databases (this change) | outage |

All Upstash changes: [timeline](https://rewindex.com/company/upstash/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/i02ff3b7fd97f24 · Markdown: https://rewindex.com/change/i02ff3b7fd97f24.md · JSON: https://rewindex.com/api/v1/changes/i02ff3b7fd97f24 · Generated 2026-10-18T02:54:50.614Z