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Outage in IONOS Cloud

Object Storage - Increased latency in eu-central-1

Resolved Minor
August 26, 2026 - Started 22 days ago - Lasted 8 days
Official incident page

Incident Report

Summary AI Generated

IONOS Cloud's S3 Object Storage in the eu-central-1 region experienced increased latency affecting read and write operations for approximately 8 days. Recurring latency spikes were investigated jointly by the Object Storage and Network teams, with incremental mitigations applied before response times fully stabilized. The incident was resolved on September 3, 2026, with performance returning to normal levels.

We are currently investigating increased latency affecting S3 Object Storage in the eu-central-1 region. Some customers may experience slow response times for read and write operations. Our engineering team is actively working on resolving the issue. We will provide updates as more information becomes available.
Components affected
IONOS Cloud S3 Object Storage

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Latest Updates ( sorted recent to last )
RESOLVED 14 days ago - at 09/03/2026 01:39PM

The increased latency affecting S3 Object Storage in eu-central-1 has been resolved. Response times have returned to normal levels. We will continue to monitor the service.

MONITORING 14 days ago - at 09/03/2026 08:27AM

Response times for Object Storage in eu-central-1 have improved significantly and continue to stabilize. We are closely monitoring system performance. We will provide further updates as remediation progresses.

IDENTIFIED 16 days ago - at 09/01/2026 03:18PM

Our engineering teams have identified a path to remediation. Initial measures have been applied, improving the situation for some services. Customers using Object Storage in eu-central-1 may continue to experience elevated latency, which may vary in severity. Work continues on a comprehensive fix. We will provide further updates

IDENTIFIED 16 days ago - at 08/31/2026 05:08PM

We see recurring latency spikes affecting our S3 service in eu-central-1. The Object Storage and Network teams are jointly investigating. Although a technical root cause remains undetermined at this time, our highest priority is implementing measures to mitigate the frequency and amplitude of the spikes. We appreciate your patience and will keep you informed.

IDENTIFIED 21 days ago - at 08/27/2026 12:00PM

The issue has been identified and a fix is being implemented.

INVESTIGATING 22 days ago - at 08/26/2026 09:53AM

We are currently investigating increased latency affecting S3 Object Storage in the eu-central-1 region. Some customers may experience slow response times for read and write operations. Our engineering team is actively working on resolving the issue. We will provide updates as more information becomes available.

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