# CockroachDB: Major incident: AWS us-east-1 outage impacting cluster operations and backups

**Summary:** CockroachDB reported a major AWS us-east-1 outage causing failures or delays in cluster creation, node additions, and backups; existing clusters remained operational. The incident started at 2025-10-20 13:28 UTC and was resolved at 2025-10-21 14:56 UTC, lasting 25 h 27 min. AWS resolved the underlying outage, and CockroachDB verified normal operations had resumed. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2025-10-20 13:28 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/w1g3xvhrwy86](https://stspg.io/w1g3xvhrwy86)
- [Company: CockroachDB](https://rewindex.com/company/cockroachdb.md)
- Versions: before (none: first archived) → after incident\_version:138/3bc2z1ttwn70@0bcf713f1b76
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ AWS us-east-1 outage impacting cluster operations and backups
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2025-10-20 13:28 UTC
```

**5. Added: Resolved time**

```diff
+ 2025-10-21 14:56 UTC
```

**6. Added: Update** (identified) · 2025-10-20 13:28 UTC

```diff
+ We’re currently impacted by an ongoing AWS outage in the us-east-1 region. Customers may experience failures or delays when creating new clusters, adding nodes, or running backups in this region. Existing clusters remain operational, but backup operations may be delayed or fail intermittently. We’re continuing to monitor AWS recovery efforts and will provide updates as more information becomes available.
```

**7. Added: Update** (monitoring) · 2025-10-20 22:52 UTC

```diff
+ AWS has resolved the underlying outage in the us-east-1 region, and we’re seeing recovery across CockroachDB Cloud operations. Cluster creation, scaling, and backups are now succeeding again. We’re continuing to monitor for full stability before marking this incident as resolved.
```

**8. Added: Update** (resolved) · 2025-10-21 14:56 UTC

```diff
+ The earlier AWS outage in the us-east-1 region has been fully resolved. All CockroachDB Cloud operations, including cluster creation, scaling, and backups, are functioning normally again. We’ve verified recovery across affected systems and customer clusters, and normal operations have resumed.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2025-10-20 13:28 UTC | Major incident: AWS us-east-1 outage impacting cluster operations and backups (this change) | outage |

All CockroachDB changes: [timeline](https://rewindex.com/company/cockroachdb/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._


---
Canonical: https://rewindex.com/change/ic9a3242762f0f4 · Markdown: https://rewindex.com/change/ic9a3242762f0f4.md · JSON: https://rewindex.com/api/v1/changes/ic9a3242762f0f4 · Generated 2026-10-18T02:55:28.133Z