데이터센터 6곳 전체 정상

암호화폐 결제 · 신원 확인 없음 · 5분 미만 안에 root 권한

중대 해결됨 검토 게시됨

Top-of-rack switch reboot, rack SIN-A04

네트워크 — 트랜싯 및 피어링 — SIN

타임라인

  1. 해결됨

    Rack A04 has been stable since 12:16 UTC. Duration: 8 minutes. Running workloads were not interrupted; only reachability was lost. Affected machines receive the SLA extension automatically.

  2. 원인 확인

    The switch has reloaded and its uplinks are up. It rebooted on a software watchdog; we have the crash file and will send it to the vendor.

  3. 조사 중

    The top-of-rack switch in rack A04 of SIN rebooted unexpectedly at 12:08 UTC. The 7 machines in that rack are unreachable while it comes back up.

사후 검토 ·

발생한 일과 변경 사항

원인

The top-of-rack switch in SIN-A04 hit a memory leak in its control-plane process that the vendor has since fixed; the watchdog reloaded the switch when the process stopped responding.

영향도

7 machines were unreachable for 8 minutes. GPU workloads continued to run and no data was lost.

변경 사항

  • The fixed switch firmware was rolled out to every rack in the fleet during the following maintenance windows.
  • The watchdog now reports a warning at 80% memory use instead of only reloading at 100%, giving us time to move the rack to its backup path first.

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