Issue affecting connectivity to UKDC5

Modified on Fri, 17 Jul at 9:27 AM

Posted: 18 July 2025, 11:09 UTC

We have become aware of an issue affecting connectivity to UKDC5, our secondary site in the UK. Accounts located on ukdc4ss80 and ukdc4ss81 will be affected.

We are currently investigating the cause and will provide further updates as they become available.

Scope:  Connectivity to storage and mirrors located in UKDC5

Incident start: 18 July 2025 10:50 UTC+1

Should you require assistance, please reach out to us. Our team will be happy to assist you.


Update history

Update: Bandwidth returned to normal at 15:00 UTC +1

Update: Connectivity restored at 12:08 UTC+1

The connectivity loss was found to be caused by an upstream provider hardware failure. All connectivity to the site is restored, although we are experiencing degraded bandwidth in UKDC5 while the provider endeavours to fully resolve hardware failure.

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