{"id":8013,"date":"2025-11-12T08:56:14","date_gmt":"2025-11-11T23:56:14","guid":{"rendered":"https:\/\/mdx.jp\/?post_type=mdx2_news&#038;p=8013"},"modified":"2026-01-13T17:05:22","modified_gmt":"2026-01-13T08:05:22","slug":"mdx%e2%85%b1%e3%82%b7%e3%82%b9%e3%83%86%e3%83%a0-it%e3%82%b3%e3%82%a2%e6%a3%9f%e8%a8%88%e7%94%bb%e5%81%9c%e9%9b%bb%e3%81%8a%e3%82%88%e3%81%b3%e3%83%a1%e3%83%b3%e3%83%86%e3%83%8a%e3%83%b3%e3%82%b9","status":"publish","type":"mdx2_news","link":"https:\/\/mdx.jp\/en\/mdx2\/news\/8013","title":{"rendered":"Temporary Suspension of mdx II System Services Due to Planned Power Outage and Maintenance in the IT Core Building (January 10\u201315)"},"content":{"rendered":"<p style=\"color:red;\">\u203b Added at 17:00 on January 13 (Tue)<br \/>\n[Notice of Change in Service Suspension Period]<br \/>\nThe end time of this maintenance has been changed to 13:00 on Thursday, January 15, 2026.<br \/>\nThe mdx\u2161 system services will be resumed after the maintenance is completed.<\/p>\n<p>&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;<\/p>\n<p>D3 Center will temporarily suspend the mdx\u2161 System during the following period due to a planned power outage and maintenance in the IT Core Building.<br \/>\nThis maintenance is a necessary measure to ensure stable system operation and to prevent potential failures.<\/p>\n<p>During the maintenance period, all services of the mdx\u2161 System will be temporarily unavailable.<br \/>\nWe apologize for the inconvenience caused by this extended downtime and kindly ask for your understanding and cooperation.<\/p>\n<h2>\u25a0 Suspension Period for All mdx\u2161 System Services<\/h2>\n<p> <strong>January 10 (Sat), 2026, 9:00 a.m. \u2013 January 15 (Thu), 2026, 1:00 p.m.<\/strong> <\/p>\n<h2>\u25a0 Scope of Impact Due to Maintenance<\/h2>\n<p>As announced on the following page and elsewhere:<\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"PyQgpLybX1\"><p><a href=\"https:\/\/mdx.jp\/en\/mdx2\/news\/5794\">Announcement of Resumption of mdx  II System Operation and Commencement of GPU Node Services<\/a><\/p><\/blockquote>\n<p><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8220;Announcement of Resumption of mdx  II System Operation and Commencement of GPU Node Services&#8221; &#8212; mdx\" src=\"https:\/\/mdx.jp\/en\/mdx2\/news\/5794\/embed#?secret=A0UhHsxEA1#?secret=PyQgpLybX1\" data-secret=\"PyQgpLybX1\" width=\"500\" height=\"282\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<p>Currently, for instances running on OpenStack, the root volume (OS installation area) has been temporarily changed from the conventional Lustre storage configuration to an SSD storage configuration.<\/p>\n<p>Due to this maintenance, <strong>the storage configuration for newly created volumes will be changed from the SSD storage configuration to the conventional Lustre storage configuration.<\/strong><br \/>\nThis change will not require any actions from users, nor will it affect any currently available or restricted features.<br \/>\nYou can continue to use the mdx\u2161 service as usual, so please rest assured.<br \/>\nPlease note that the root volumes of existing instances will remain on the SSD storage configuration. These will also be migrated to the Lustre storage configuration in the future, and we will provide further details at a later date.<\/p>\n<h3>Current Configuration<\/h3>\n<p>Connected to an NFS server equipped with SSD (50 TB) storage <\/p>\n<h3>Configuration After January 2026 Scheduled Power Outage Maintenance<\/h3>\n<p>\u30fbExisting volumes: Connected to an NFS server equipped with SSD (50 TB) storage<br \/>\n<strong>\u30fbNew volumes: Connected to Lustre storage via an NFS server<\/strong><\/p>\n<h3>Configuration After March 2026 (Year-End) Maintenance<\/h3>\n<p>Connected to Lustre storage via an NFS server<\/p>\n<h2>\u25a0 Shutdown of Virtual Machines<\/h2>\n<p> <strong>Please make sure to shut down your virtual machines on the mdx\u2161 System before the start of maintenance.<\/strong> Any virtual machines that remain running at the beginning of the maintenance period will be shut down by the university. <code>Please note that if a shutdown does not complete within a reasonable time, the system may be forcibly stopped.<\/code><\/p>\n<p>We sincerely appreciate your understanding and cooperation regarding this maintenance.<\/p>\n","protected":false},"featured_media":0,"parent":0,"template":"","meta":{"_acf_changed":false,"advanced_seo_description":"","jetpack_seo_html_title":"","jetpack_seo_noindex":false,"jetpack_post_was_ever_published":false},"mdx2_news-cat":[124859],"class_list":["post-8013","mdx2_news","type-mdx2_news","status-publish","hentry","mdx2_news-cat-maintenance","en-US"],"acf":[],"jetpack_likes_enabled":true,"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/mdx.jp\/wp-json\/wp\/v2\/mdx2_news\/8013","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mdx.jp\/wp-json\/wp\/v2\/mdx2_news"}],"about":[{"href":"https:\/\/mdx.jp\/wp-json\/wp\/v2\/types\/mdx2_news"}],"version-history":[{"count":8,"href":"https:\/\/mdx.jp\/wp-json\/wp\/v2\/mdx2_news\/8013\/revisions"}],"predecessor-version":[{"id":8358,"href":"https:\/\/mdx.jp\/wp-json\/wp\/v2\/mdx2_news\/8013\/revisions\/8358"}],"wp:attachment":[{"href":"https:\/\/mdx.jp\/wp-json\/wp\/v2\/media?parent=8013"}],"wp:term":[{"taxonomy":"mdx2_news-cat","embeddable":true,"href":"https:\/\/mdx.jp\/wp-json\/wp\/v2\/mdx2_news-cat?post=8013"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}