Incident Library
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  1. IL-0525 OpenStreetMap.org went offline for 7h 27m when its uplink switch lost power during a data-centre power feed maintenance
    OpenStreetMap Foundation2022
    Symptoms

    From 20:18 UTC on 11 June 2022, OpenStreetMap.org was unavailable: all of its services hosted in Amsterdam, including www, the API, the wiki and planet, had no connectivity to the Internet. The outage began 18 minutes into Equinix's planned maintenance of power feed A at the Amsterdam data centre.

    Network unreachableService outage
    Trigger

    Equinix's planned 5-year maintenance of power feed A in Amsterdam, which started at 20:00 UTC on 11 June 2022.

    Root cause
    Hardware failure
    Component
    Network switchData center power and cooling
    Contributing factor
    Single point of failureLimited debug accessMonitoring blind spot
    Remediation
    • Waited for the end of the Equinix power feed A maintenance window instead of failing over to Dublin or moving the uplink; connectivity returned at 03:45 UTC
    Action items
    • Acknowledge ongoing outages faster
    • Add monitoring and alerting of switch PSU and FAN states
    • Replace the Cisco SG550X-48 switches and the Redundant Power System with Juniper EX4300 switches with redundant power supplies
    • Install out-of-band access equipment with dual power feeds in Amsterdam
    • Install redundant uplinks
    • Make site failover easier, less manual and lower risk
    • Introduce an on-call pager system for the operations SRE
    • Expand the SRE team
    • Continue and formalise fail-over tests for power, network, upstream link and service outages
    View case
Check your cluster for this

This case involves Data center power and cooling and Network switch. kubegap audits a Kubernetes cluster for gaps like these, read-only, from Claude Code or Codex; its checks cite public reports like the ones in this library.

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By root cause1

Hardware failure1 case

Component
Data center power and coolingNetwork switch
Contributing factor
Limited debug accessMonitoring blind spotSingle point of failure
Organisation
OpenStreetMap Foundation
  1. IL-0525 OpenStreetMap.org went offline for 7h 27m when its uplink switch lost power during a data-centre power feed maintenance
    OpenStreetMap Foundation2022