# Backblaze: Major incident: 005 Cassandra node down causing with cooper

> Major incident: 005 Cassandra node down causing with cooper. Detected 2026-11-06 by Rewindex: what changed on Backblaze’s status page, with the before/after diff.

Canonical: https://rewindex.com/change/i7e3a76def7d651
Last updated: 2026-11-06T15:58:41Z

**Summary:** _summary pending_
- Kind: Major incident · Label: major (vendor)
- Changed: 2026-11-06 14:51 UTC · Detected: 2026-11-06 15:58 UTC
- [Source: https://status.backblaze.com/incidents/157902cc-8e5f-4001-b445-5ccf26519c70](https://status.backblaze.com/incidents/157902cc-8e5f-4001-b445-5ccf26519c70)
- [Company: Backblaze](https://rewindex.com/company/backblaze.md)
- Versions: before (none: first archived) → after incident\_version:80/157902cc-8e5f-4001-b445-5ccf26519c70@2e511bbdf262
- Change 1 of 3 for this incident

Incident page (full timeline): [005 Cassandra node down causing with cooper](https://rewindex.com/company/backblaze/incidents/157902cc-8e5f-4001-b445-5ccf26519c70.md)
## What changed

**1. Added: Title**

```diff
+ 005 Cassandra node down causing with cooper
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ investigating
```

**4. Added: Start time**

```diff
+ 2026-11-06 14:51 UTC
```

**5. Added: Update** · 2026-11-06 15:50 UTC

```diff
+ Cluster 005 Cassandra disk space issues causing upload failures and Cooper task processing errors
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-11-06 14:51 UTC | Major incident: 005 Cassandra node down causing with cooper (this change) | major |
| 2026-11-06 16:08 UTC | [Incident updated: B2 Cloud Storage Upload and Download issues](https://rewindex.com/change/r01bfdb9d01cb6c.md) |  |
| 2026-11-06 16:18 UTC | [Incident updated: Elevated Errors for B2 Cloud Storage in US East](https://rewindex.com/change/r0c49be0b0a47b3.md) |  |

Next: [change](https://rewindex.com/change/r01bfdb9d01cb6c.md) · All Backblaze changes: [timeline](https://rewindex.com/company/backblaze/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._

## Cite this

Major incident: 005 Cassandra node down causing with cooper on Backblaze’s status page, changed 2026-11-06 14:51 UTC (change 1 of 3).

- Canonical URL: https://rewindex.com/change/i7e3a76def7d651
- Citation: Backblaze, “Major incident: 005 Cassandra node down causing with cooper” (2026-11-06 14:51 UTC). Archived by Rewindex: https://rewindex.com/change/i7e3a76def7d651 (CC BY 4.0).
- Markdown link: `[Backblaze: Major incident: 005 Cassandra node down causing with cooper (2026-11-06)](https://rewindex.com/change/i7e3a76def7d651)`


---
Canonical: https://rewindex.com/change/i7e3a76def7d651 · Markdown: https://rewindex.com/change/i7e3a76def7d651.md · JSON: https://rewindex.com/api/v1/changes/i7e3a76def7d651 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-06T16:51:02.322Z