{"id":974,"date":"2026-06-03T14:28:34","date_gmt":"2026-06-03T14:28:34","guid":{"rendered":"https:\/\/ppc.mit.edu\/t2\/?p=974"},"modified":"2026-06-03T14:28:35","modified_gmt":"2026-06-03T14:28:35","slug":"mit-tier-2-report-june-3-2026","status":"publish","type":"post","link":"https:\/\/ppc.mit.edu\/t2\/?p=974","title":{"rendered":"MIT Tier-2 Report – June 3 2026"},"content":{"rendered":"\n

SiteReadiness: 85.7%<\/p>\n\n\n\n

SAM tests: 95.7%<\/p>\n\n\n\n

We had one red day in Site Readiness. I tried to fix problems in CephFS and provoked XRootD outage that lasted several hours. We also had two power outages. The first one was partial on May 31st, as a result we lost ~5K cores for ~18 hours. On June 2nd all our worker nodes went down for short period of time.<\/p>\n\n\n\n

\n
\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n<\/figure>\n\n\n\n
\n
\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n<\/figure>\n","protected":false},"excerpt":{"rendered":"

SiteReadiness: 85.7% SAM tests: 95.7% We had one red day in Site Readiness. I tried to fix problems in CephFS and provoked XRootD outage that lasted several hours. We also had two power outages. The first one was partial on May 31st, as a result we lost ~5K cores for ~18 hours. On June 2nd … Read more<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[12],"class_list":["post-974","post","type-post","status-publish","format-standard","hentry","category-report","tag-weekly"],"_links":{"self":[{"href":"https:\/\/ppc.mit.edu\/t2\/index.php?rest_route=\/wp\/v2\/posts\/974","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ppc.mit.edu\/t2\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ppc.mit.edu\/t2\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ppc.mit.edu\/t2\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/ppc.mit.edu\/t2\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=974"}],"version-history":[{"count":2,"href":"https:\/\/ppc.mit.edu\/t2\/index.php?rest_route=\/wp\/v2\/posts\/974\/revisions"}],"predecessor-version":[{"id":977,"href":"https:\/\/ppc.mit.edu\/t2\/index.php?rest_route=\/wp\/v2\/posts\/974\/revisions\/977"}],"wp:attachment":[{"href":"https:\/\/ppc.mit.edu\/t2\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=974"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ppc.mit.edu\/t2\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=974"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ppc.mit.edu\/t2\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=974"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}