{"id":25645,"date":"2025-03-27T12:04:12","date_gmt":"2025-03-27T16:04:12","guid":{"rendered":"https:\/\/www.rc.fas.harvard.edu\/?p=25645"},"modified":"2026-05-06T13:14:31","modified_gmt":"2026-05-06T17:14:31","slug":"2025-mghpcc-power-downtime-june-2-4-2025","status":"publish","type":"post","link":"https:\/\/www.rc.fas.harvard.edu\/blog\/2025-mghpcc-power-downtime-june-2-4-2025\/","title":{"rendered":"2025 MGHPCC power downtime June 2-4, 2025"},"content":{"rendered":"<p><strong>UPDATE: June 5th 9am - Downtime is complete, Return to full service<\/strong><\/p>\n<hr \/>\n<p>The yearly power downtime at our Holyoke data center, MGHPCC, has been scheduled.\u00a0 <br \/>\nThis year's power downtime will take place on Tuesday June 3, 2025.\u00a0<\/p>\n<ul>\n<li><strong>Monday June 2nd<\/strong>\u00a0-\u00a0 Power-down begins at 9AM<\/li>\n<li><strong>Tuesday June 3rd<\/strong>\u00a0- Power out at MGHPCC<\/li>\n<li><strong>Wednesday June 4th<\/strong>\u00a0- Maintenance tasks and then power-up begins<\/li>\n<li><strong>Thursday June 5th<\/strong>\u00a0- Expected return to full service by 9AM<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"25646\" data-permalink=\"https:\/\/www.rc.fas.harvard.edu\/blog\/2025-mghpcc-power-downtime-june-2-4-2025\/attachment\/2025-downtime-timeline\/\" data-orig-file=\"https:\/\/www.rc.fas.harvard.edu\/wp-content\/uploads\/2025\/03\/2025-downtime-timeline.png\" data-orig-size=\"720,273\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"2025-downtime-timeline\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/www.rc.fas.harvard.edu\/wp-content\/uploads\/2025\/03\/2025-downtime-timeline.png\" class=\"aligncenter size-full wp-image-25646\" src=\"https:\/\/www.rc.fas.harvard.edu\/wp-content\/uploads\/2025\/03\/2025-downtime-timeline.png\" alt=\"\" width=\"720\" height=\"273\" srcset=\"https:\/\/www.rc.fas.harvard.edu\/wp-content\/uploads\/2025\/03\/2025-downtime-timeline.png 720w, https:\/\/www.rc.fas.harvard.edu\/wp-content\/uploads\/2025\/03\/2025-downtime-timeline-300x114.png 300w\" sizes=\"auto, (max-width: 720px) 100vw, 720px\" \/><\/p>\n<p>For more detailed information, please see: <a href=\"https:\/\/www.rc.fas.harvard.edu\/MGHPCC2025\">https:\/\/www.rc.fas.harvard.edu\/MGHPCC2025<\/a> or our <a href=\"https:\/\/status.rc.fas.harvard.edu\/\">Status Page<\/a><\/p>\n<p><strong>June 5-6. 2025<\/strong><\/p>\n<p>Additionally, there will be a separate scheduled maintenance at MGHPCC between June 5th and 6th.<\/p>\n<p>As part of the work during the MGHPCC Outage, one of the Cooling Distribution Unit (CDU) in Pod 7c will be replaced. This will allow for future expansion into this space.<\/p>\n<p>This work will run from Thursday Jun 5th until the evening of Friday June 6th. This means nodes whose names begin with holy7c02, 04, 06, 08, 10, 12 \u200b<i data-stringify-type=\"italic\">will not<\/i>\u200b come back online after the outage and will remain down until this CDU update is complete.This impacts the following partitions. If you are using one of those partitions please use the public sapphire partition while your equipment is being serviced. These nodes will be returned to service once the CDU work is complete:<\/p>\n<p>\u2022\u00a0\u00a0<wbr \/>\u00a0blackhole<br \/>\n\u2022\u00a0\u00a0<wbr \/>\u00a0blackhole_priority<br \/>\n\u2022\u00a0\u00a0<wbr \/>\u00a0davies<br \/>\n\u2022\u00a0\u00a0<wbr \/>\u00a0desai<br \/>\n\u2022\u00a0\u00a0<wbr \/>\u00a0eddy<br \/>\n\u2022\u00a0\u00a0<wbr \/>\u00a0huce_cascade<br \/>\n\u2022\u00a0\u00a0<wbr \/>\u00a0huce_cascade_priority<br \/>\n\u2022\u00a0\u00a0<wbr \/>\u00a0huttenhower<br \/>\n\u2022\u00a0\u00a0<wbr \/>\u00a0jacobsen2<br \/>\n\u2022\u00a0\u00a0<wbr \/>\u00a0janson<br \/>\n\u2022\u00a0\u00a0<wbr \/>\u00a0janson_cascade<br \/>\n\u2022\u00a0\u00a0<wbr \/>\u00a0ke<br \/>\n\u2022\u00a0\u00a0<wbr \/>\u00a0lukin<br \/>\n\u2022\u00a0\u00a0<wbr \/>\u00a0nguyen<br \/>\n\u2022\u00a0\u00a0<wbr \/>\u00a0seas_compute<br \/>\n\u2022\u00a0\u00a0<wbr \/>\u00a0shared<br \/>\n\u2022\u00a0\u00a0<wbr \/>\u00a0tambe<br \/>\n\u2022\u00a0\u00a0<wbr \/>\u00a0vishwanath<br \/>\n\u2022\u00a0\u00a0<wbr \/>\u00a0whipple<br \/>\n\u2022\u00a0\u00a0<wbr \/>\u00a0xlin<\/p>\n<div class=\"XTranslate\" style=\"all: unset;\">\u00a0<\/div>\n","protected":false},"excerpt":{"rendered":"<p class=\"lead\">UPDATE: June 5th 9am - Downtime is complete, Return to full service The yearly power downtime at our Holyoke data center, MGHPCC, has been scheduled.\u00a0 This year's power downtime will take place on Tuesday June 3, 2025.\u00a0 Monday June 2nd\u00a0-\u00a0 Power-down begins at 9AM Tuesday June 3rd\u00a0- Power out at MGHPCC Wednesday June 4th\u00a0- Maintenance tasks and then power-up begins&hellip;<\/p>\n<p class=\"more-link-p\"><a class=\"btn btn-primary\" href=\"https:\/\/www.rc.fas.harvard.edu\/blog\/2025-mghpcc-power-downtime-june-2-4-2025\/\">Read more<\/a><\/p>\n","protected":false},"author":103,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[36],"tags":[],"class_list":["post-25645","post","type-post","status-publish","format-standard","hentry","category-blog"],"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p42YvN-6FD","jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/www.rc.fas.harvard.edu\/wp-json\/wp\/v2\/posts\/25645","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.rc.fas.harvard.edu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.rc.fas.harvard.edu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.rc.fas.harvard.edu\/wp-json\/wp\/v2\/users\/103"}],"replies":[{"embeddable":true,"href":"https:\/\/www.rc.fas.harvard.edu\/wp-json\/wp\/v2\/comments?post=25645"}],"version-history":[{"count":10,"href":"https:\/\/www.rc.fas.harvard.edu\/wp-json\/wp\/v2\/posts\/25645\/revisions"}],"predecessor-version":[{"id":25969,"href":"https:\/\/www.rc.fas.harvard.edu\/wp-json\/wp\/v2\/posts\/25645\/revisions\/25969"}],"wp:attachment":[{"href":"https:\/\/www.rc.fas.harvard.edu\/wp-json\/wp\/v2\/media?parent=25645"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.rc.fas.harvard.edu\/wp-json\/wp\/v2\/categories?post=25645"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.rc.fas.harvard.edu\/wp-json\/wp\/v2\/tags?post=25645"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}