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Maniphest T6825

Persistent 503 Backend Fetch errors on `testwiki`
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Description

Wiki: testwiki
URL: https://publictestwiki.com/wiki/
Error:

Error 503 Backend fetch failed, forwarded for <REDACTED>, 127.0.0.1
(Varnish XID 67693) via cp7 at Sat, 06 Feb 2021 03:01:36 GMT.

Error is persistent for the past half hour or so.

Event Timeline

Dmehus triaged this task as Unbreak Now! priority.Feb 6 2021, 03:06
Dmehus created this task.
Herald added projects: Universal Omega, MediaWiki (SRE). · View Herald TranscriptFeb 6 2021, 03:06
Herald added subscribers: Redmin, Unknown Object (User), RhinosF1 and 4 others. · View Herald Transcript
K6ka subscribed.Feb 6 2021, 03:11
Reception123 edited projects, added MediaWiki; removed Configuration.Feb 6 2021, 06:51
Unknown Object (User) closed this task as Resolved.Feb 6 2021, 07:13
Unknown Object (User) claimed this task.
Reception123 added a comment.Feb 6 2021, 07:14

Thanks to @Universal_Omega we figured out the issue. The issue was the CNAME from publictestwiki was pointing to cp7 instead of mw-lb, so with the new infra that became a problem. So fixed in my capacity as publictestwiki owner rather than sysadmin :P