# Config change causes container filesystem IO errors

- Provider: [Modal](https://down.guide/providers/modal)
- Confidence: Confirmed
- Impact: Major outage
- lasted 17m
- started 2025-11-25 15:08 UTC
- id: DWN-ed3ee9832c
- Official page: https://status.modal.com/incident/774016

## Updates from Modal
### 2025-11-25 15:08 UTC: update
An incorrect configuration change applies aggressive throttling on container filesystem bandwidth and is causing downtime. 
We have reverted the configuration and are managing recovery.

### 2025-11-25 15:25 UTC: resolved
The rollback has completed and errors have subsided.

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