# MongoDB Atlas: GCP Availability Zone europe-west2-b connectivity issues

- Impact (vendor’s label): minor
- Status: resolved · edited after publishing
- Started: 2026-10-20 07:32 UTC · Resolved: 2026-10-20 20:09 UTC · Duration: 13 h
- Updates: 4 · Affected components: MongoDB Cloud
- [Vendor status page: https://stspg.io/fydqrrffdfq0](https://stspg.io/fydqrrffdfq0)
- [Company: MongoDB Atlas](https://rewindex.com/company/mongodb-atlas.md)

## Part of an outage event

- [Google Cloud europe-west2 outage, Oct 20, 2026: 19 vendors, 19 incidents](https://rewindex.com/events/2026-10-20-google-cloud-europe-west2)
- This incident blames Google Cloud as the cause. (hop 1, posted +1 h 25 min vs Google Cloud’s own post)
- Evidence: “…GCP Availability Zone europe-west2-b connectivity issues This incident has been resolved. Since 0600 UTC we have observed cluster node connectivity issues isolated to a single availability zone, GCP e…”

```mermaid
flowchart LR
  root["Google Cloud europe-west2<br/>posted 06:08 UTC"]:::root
  before["Posted before Google Cloud did<br/>1 vendor, 1 blamed Google Cloud<br/>JFrog"]:::blames
  root --> before
  h1["Within an hour<br/>4 vendors, 4 blamed Google Cloud<br/>Aiven, Northflank, Elastic Cloud, dbt Labs"]:::blames
  root --> h1
  h4["1 to 4 hours later<br/>4 vendors, 4 blamed Google Cloud<br/>MongoDB Atlas, Sourcegraph, CockroachDB, ClickHouse Cloud"]:::blames
  root --> h4
  later["Later<br/>2 vendors, 1 blamed Google Cloud<br/>Grafana Cloud, Confluent"]:::blames
  root --> later
  me["MongoDB Atlas (this incident)<br/>posted +1 h 25 min"]:::me
  h4 --- me
```

_Detected automatically from incidents that started together and named the same provider; a link means one incident named another vendor, not a confirmed cause._

## Summary

MongoDB Atlas changed the reported impact of the GCP Availability Zone europe-west2-b connectivity incident from none to minor, indicating customer-facing impact. The evidence provides no start time, duration, cause or fix. _(machine-written, sol)_
## Timeline of updates

- **identified** 2026-10-20 07:32 UTC: Since 0600 UTC we have observed cluster node connectivity issues isolated to a single availability zone, GCP europe-west2-b. Atlas clusters are distributed across multiple AZs and 3-node clusters can continue to serve reads and writes from nodes in the other 2 Availability Zones in this region. We are working with our partners to resolve the cause of the issue and restore service to the affected nodes.
- **identified** 2026-10-20 08:38 UTC: The Google Cloud status page has been updated to report further information, follow this link for details https://status.cloud.google.com/incidents/Xs2XTHzAVC9YnafnPyzj
- **monitoring** 2026-10-20 11:43 UTC: We are seeing signs of Availability Zone connectivity improving and are continuing to monitor.
- **resolved** 2026-10-20 20:09 UTC: This incident has been resolved.

## Rewindex changes for this incident

- 2026-10-20 07:43 UTC: [Incident silently edited: GCP Availability Zone europe-west2-b connectivity issues](https://rewindex.com/change/r3170b9ebe84529.md)
- 2026-10-20 08:43 UTC: [Incident updated: GCP Availability Zone europe-west2-b connectivity issues](https://rewindex.com/change/r54172e60c92396.md)
- 2026-10-20 11:53 UTC: [Incident updated: GCP Availability Zone europe-west2-b connectivity issues](https://rewindex.com/change/r16334227da9685.md)
- 2026-10-20 20:13 UTC: [Incident updated: GCP Availability Zone europe-west2-b connectivity issues](https://rewindex.com/change/r8db9ad26780e9c.md)


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Canonical: https://rewindex.com/company/mongodb-atlas/incidents/v2d572p364wf · Markdown: https://rewindex.com/company/mongodb-atlas/incidents/v2d572p364wf.md · JSON: https://rewindex.com/api/v1/companies/mongodb-atlas/incidents/v2d572p364wf · Generated 2026-10-21T01:21:10.002Z