The get.jenkins.io and fallback.get.jenkins.io pods are unable to mount their Azure file storage. The mount failure prevents the files from being served by get.jenkins.io.
The disk quota issue has been solved using Microsoft documentation So mirrorbits containers are back to normal. We tested that service was operational using https://fallback.get.jenkins.io At the moment, the traffic is still routed to pkg.origin.jenkins.io but it has no impact on the availability of the service. We will switch back the traffic at a better time.
We validated that the service was operational using this mirrorlist