Yandex Cloud incident

Connectivity issues in Cloud Interconnect - OST.

Minor Resolved View vendor source →

Yandex Cloud experienced a minor incident on July 27, 2025 affecting Cloud Interconnect and ru-central1-a and 1 more component, lasting 13h 53m. The incident has been resolved; the full update timeline is below.

Started
Jul 27, 2025, 02:00 PM UTC
Resolved
Jul 28, 2025, 03:53 AM UTC
Duration
13h 53m
Detected by Pingoru
Jul 27, 2025, 02:00 PM UTC

Affected components

Cloud Interconnectru-central1-aru-central1-bru-central1-d

Update timeline

  1. investigating Jul 27, 2025, 04:44 PM UTC

    We have identified problems with the Cloud Interconnect service at the OST point of presence. The service team is already investigating the circumstances of the problem.

  2. identified Jul 27, 2025, 06:44 PM UTC

    There are power problems on the OST site right now. In order to avoid network collapses, we temporarily shut down the site at 20:57 and are waiting for the restoration work from the data center operator to be completed.

  3. resolved Jul 28, 2025, 05:01 AM UTC

    At 06:53 Moscow time, the issue was completely resolved. We do not expect a recurrence.