Yandex Cloud incident

Problems with Network connectivity between zone ru-central1-a and ru-central1-c

Minor Resolved View vendor source →

Yandex Cloud experienced a minor incident on December 9, 2021 affecting Virtual Private Cloud and ru-central1-a, lasting 2h 11m. The incident has been resolved; the full update timeline is below.

Started
Dec 09, 2021, 07:59 AM UTC
Resolved
Dec 09, 2021, 10:10 AM UTC
Duration
2h 11m
Detected by Pingoru
Dec 09, 2021, 07:59 AM UTC

Affected components

Virtual Private Cloudru-central1-a

Update timeline

  1. investigating Dec 09, 2021, 11:04 AM UTC

    We noticed some problems with Network connectivity between ru-central1-a and ru-central1-c. The developer team is notified and currently investigating this issue.

  2. resolved Dec 09, 2021, 11:30 AM UTC

    The issue was solved at 13:10 (GMT +3). All Cloud services are working correctly.

  3. postmortem Jan 31, 2022, 04:57 PM UTC

    On January 9th, from 10:00 to 11:00 Moscow time network infra team was performing maintenance on data-centre hardware. What happened?What happened? As a result of configuration mistake, at 10:47 network connectivity was partly inaccessible in ru-central1-a and ru-central1-c. At 11:00 problem was found. At 11:20 it was fully eliminated. Maintenance was performed for accessibility zones channels volume increase. Measures to prevent a similar situation from recurring in the futureMeasures to prevent a similar situation from recurring in the future Weak spots in configuration were found. New traffic allocation be physical network design was implemented.