Wisconsin cluster down / DNS resolution failures

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Yuanhao Chang

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Aug 11, 2026, 4:15:10 AM (9 days ago) Aug 11
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Hi CloudLab Team and users,

The Wisconsin cluster currently appears to be down/unavailable in the CloudLab portal. I am also seeing DNS resolution failures across multiple nodes in my experiment.

Normal DNS resolution consistently stalls for about 30–35 seconds and then fails. The nodes are configured to use 128.104.222.8 and 128.104.222.9; direct DNS queries to both fail, while dig @8.8.8.8 google.com succeeds normally.

The portal also reports that Wisconsin resources/reservations are currently unavailable.

Is this a known Wisconsin cluster outage? Any update on the expected recovery would be greatly appreciated.

Thank you!
Yuanhao


cloudlab_down.png
my_commands_dns.png
wisconsin_unavailable.png

Mike Hibler

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Aug 11, 2026, 8:01:21 AM (9 days ago) Aug 11
to cloudla...@googlegroups.com
Sorry, the Wisconsin cluster appears to be down right now. The Wisconsin
staff have been notifed. We will let you know when we have a diagnosis.
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