MIT Tier-2 Report – Dec. 3 2025
SiteReadiness: 100% SAM tests: 97.8% No major issues over the last week.
Productive Monotony – Keeping those bits moving orderly
The weekly MIT Tier-2 report
SiteReadiness: 100% SAM tests: 97.8% No major issues over the last week.
SiteReadiness: 100% SAM tests: 100% No major issues over the last week. We were asked to run storage scan that compares for all files a local adler32 checksum with the one from Rucio. The scan is still ongoing.
SiteReadiness: 100.0% SAM tests: 96.3% We experienced a power outage at the host facility that started on Monday at around 10:30 a.m. and lasted for 3 hours. During the outage all worker nodes were offline. The storage, meanwhile, stayed online and was fully available.
SiteReadiness: 100.0% SAM tests: 99.7% No real issues over last week.
SiteReadiness: 100.0% SAM tests: 100.0% No real issues over last week.
SiteReadiness: 100.0% SAM tests: 97.9% No real issues over last week.
SiteReadiness: 100.0% SAM tests: 98.9% No real issues over last week.
SiteReadiness: 100.0% SAM tests: 100.0% No real issues over last week.
No real issues over last week. Central SAM tests had problems for several days because of CERN GitLab unavailability. The site readiness was corrected to account for that, but SAM tests were not. Monitoring test Performance Site readiness 100.0% SAM tests 83.0%
Our site started to fail SAM tests on XRootD on Tuesday (Sept. 2nd) afternoon. At the moment I do not understand what the issue is, all systems here are responsive and I can’t detect any problems. I am starting to suspect that there is a network problem between us and Fermilab.