🤖 AI Summary
Cloudflareは2026年8月20日にシカゴ(ORD)データセンターで計画的なメンテナンスを実施しました。以下の予定が発表されました:
- 8月19日16時11分:2026年8月20日の午前8時から午後4時までの間、シカゴでの計画的なメンテナンスを行うと通知。
- 8月20日7時1分:午前8時にメンテナンスを開始すると通知。
- 8月20日午前8時から午後8時まで:実際のメンテナンスが行われました。
交通ルーティングが変更される可能性があり、この地域のユーザーはやや遅延が増えるかもしれません。PNI / CNI顧客は、ネットワークインターフェースが一時的に無効になる可能性があることに注意してください。
Cloudflareアカウントから通知を受け取る機能が提供されており、メールやPagerDuty、ウェブハックを通じて直接連絡を受け取ることができます(プランによって異なる)。
詳細なタイムラインは以下の通りです:
- 8月20日午前8時:メンテナンス開始
- 8月20日午後8時:メンテナンス完了
シカゴ(ORD)が影響を受ける唯一の場所です。
Aug 20, 20:00 UTC
Completed - The scheduled maintenance has been completed.
Aug 20, 08:00 UTC
In Progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Aug 20, 07:01 UTC
Scheduled - Maintenance will begin as scheduled in 60 minutes.
Aug 19, 16:11 UTC
Scheduled - We will be performing scheduled maintenance in ORD (Chicago) datacenter on 2026-08-20 between 08:00 and 20:00 UTC.
Traffic might be re-routed from this location, hence there is a possibility of a slight increase in latency during this maintenance window for end-users in the affected region. For PNI / CNI customers connecting with us in this location, please make sure you are expecting this traffic to fail over elsewhere during this maintenance window as network interfaces in this datacentre may become temporarily unavailable.
You can now subscribe to these notifications via Cloudflare dashboard and receive these updates directly via email, PagerDuty and webhooks (based on your plan): https://developers.cloudflare.com/notifications/notification-available/#cloudflare-status.
Aug 18, 11:10 UTC
Scheduled - We will be performing scheduled maintenance in ORD (Chicago) datacenter on 2026-08-20 between 08:00 and 16:00 UTC.
Traffic might be re-routed from this location, hence there is a possibility of a slight increase in latency during this maintenance window for end-users in the affected region. For PNI / CNI customers connecting with us in this location, please make sure you are expecting this traffic to fail over elsewhere during this maintenance window as network interfaces in this datacentre may become temporarily unavailable.
You can now subscribe to these notifications via Cloudflare dashboard and receive these updates directly via email, PagerDuty and webhooks (based on your plan): https://developers.cloudflare.com/notifications/notification-available/#cloudflare-status.