{"id":6319,"date":"2024-06-27T14:22:04","date_gmt":"2024-06-27T05:22:04","guid":{"rendered":"https:\/\/mdcl.issp.u-tokyo.ac.jp\/scc\/news\/6319"},"modified":"2025-11-27T10:55:25","modified_gmt":"2025-11-27T01:55:25","slug":"important-change-of-the-default-quota-of-home-on-the-supercomputer-ohtaka-at-issp","status":"publish","type":"news","link":"https:\/\/mdcl.issp.u-tokyo.ac.jp\/scc\/en\/news\/6319","title":{"rendered":"[Important] Change of the default quota of \/home on the supercomputer ohtaka at ISSP"},"content":{"rendered":"<p>This is an important notice regarding the change of operation method.<\/p>\r\n<p>Please be sure to read this notice for all ISSP supercomputer users.<\/p>\r\n<p>&nbsp;<\/p>\r\n<p><span>In the ISSP supercomputer system B (ohtaka),<\/span><\/p>\r\n<p><span> the usage of \/home area, which is a long-term data storage area,<\/span><\/p>\r\n<p><span> has been increasing more than expected.<\/span><\/p>\r\n<p><span> Therefore, the standard disk charge for the \/home area<\/span><\/p>\r\n<p><span> will be lowered from 600GB to 300GB.<br \/>\r\nReference: Current disk billing\uff08<a href=\"https:\/\/mdcl.issp.u-tokyo.ac.jp\/scc\/en\/system\/systembinfo\/point\">https:\/\/mdcl.issp.u-tokyo.ac.jp\/scc\/en\/system\/systembinfo\/point<\/a>\uff09<br \/>\r\n<br \/>\r\n&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;<br \/>\r\n&#8211; Date: After August scheduled maintenance (scheduled for 8\/9 (Fri.))<\/span><\/p>\r\n<p>&#8211; Details:<\/p>\r\n<p>\u00a0\u00a0\u00a0 &#8211; The default quota value for the \/home area of System B (ohtaka) will be<\/p>\r\n<p>\u00a0\u00a0\u00a0\u00a0\u00a0 reduced from 600GB to 300GB.<\/p>\r\n<p><span>&#8211; Points to be noted<br \/>\r\n<\/span><\/p>\r\n<div>\u00a0 \u00a0 &#8211; If you are using more than 300GB in \/home,<\/div>\r\n<div>\u00a0\u00a0\u00a0\u00a0\u00a0 you may not be able to create new files and log in after the above reduction<\/div>\r\n<div>\u00a0\u00a0\u00a0\u00a0\u00a0 is implemented. Please delete files or expand the storage space<\/div>\r\n<div>\u00a0\u00a0\u00a0\u00a0\u00a0 by chquota before the implementation date. If you are unable to log in,<\/div>\r\n<div>\u00a0\u00a0\u00a0\u00a0\u00a0 please contact `center_b@issp.u-tokyo.ac.jp`.<\/div>\r\n<div>\u00a0\u00a0\u00a0 &#8211; For those who have already set the usage limit of \/home area in chquota<\/div>\r\n<div>\u00a0\u00a0\u00a0\u00a0\u00a0 larger than 600GB, points will be consumed on a daily basis for the value<\/div>\r\n<div>\u00a0\u00a0\u00a0\u00a0\u00a0 exceeding the standard value of 300GB after the above reduction is implemented.<\/div>\r\n<div>\u00a0\u00a0\u00a0\u00a0\u00a0 Please be aware of this.<\/div>\r\n<p><span>&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;<br \/>\r\n<br \/>\r\nTherefore, we would appreciate your cooperation in deleting unnecessary files and organizing data files.<br \/>\r\n<br \/>\r\nResearch data used in papers and datasets useful in the field of condensed matter science can be stored and published using the ISSP Data Repository.<br \/>\r\n<a href=\"https:\/\/mdcl.issp.u-tokyo.ac.jp\/scc\/guide\/application_proposal\/issp-datarepo\" target=\"_blank\" data-saferedirecturl=\"https:\/\/www.google.com\/url?q=https:\/\/mdcl.issp.u-tokyo.ac.jp\/scc\/guide\/application_proposal\/issp-datarepo&amp;source=gmail&amp;ust=1719550890870000&amp;usg=AOvVaw0kVTPTZSOmkRWQEqrhxDDw\" rel=\"noopener\">https:\/\/mdcl.issp.u-tokyo.ac.<wbr \/>jp\/scc\/guide\/application_<wbr \/>proposal\/issp-datarepo<\/a><br \/>\r\nPlease take advantage of this opportunity.<br \/>\r\n<br \/>\r\nIn addition, a new long-term storage area named \/home2 is scheduled to be operational in System B (ohtaka) in mid-October.<br \/>\r\n<br \/>\r\n&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;<br \/>\r\n&#8211; Date: Scheduled for mid-October<br \/>\r\n&#8211; Details\uff1a<br \/>\r\n\u00a0\u00a0 &#8211; Operation of long-term storage area \/home2<br \/>\r\n\u00a0\u00a0\u00a0\u00a0 &#8211; 300GB per user<br \/>\r\n\u00a0\u00a0\u00a0\u00a0 &#8211; No automatic deletion<br \/>\r\n\u00a0\u00a0\u00a0\u00a0 &#8211; No disk charges<br \/>\r\n\u00a0\u00a0\u00a0\u00a0 &#8211; No data backup<br \/>\r\n\u00a0\u00a0\u00a0\u00a0 &#8211; Capacity limit cannot be changed by chquota<br \/>\r\n&#8211; Point to be noted<br \/>\r\n\u00a0\u00a0 &#8211; The \/home and \/work areas will remain available.<br \/>\r\n&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;<br \/>\r\n<\/span><\/p>\r\n<div><\/div>\r\n<p>We apologize for any inconvenience this may cause and appreciate your understanding.<\/p>\r\n<p>&nbsp;<\/p>\r\n<div><\/div>\r\n<p><span>If you have any questions, please contact ISSP Supercomputer Center.<br \/>\r\n<br \/>\r\nISSP Supercomputer Center<br \/>\r\n<\/span><\/p>\r\n<div>center__at__issp.u-tokyo.ac.jp<\/div>","protected":false},"featured_media":0,"parent":0,"template":"","news-cat":[],"class_list":["post-6319","news","type-news","status-publish","hentry","en-US"],"acf":[],"_links":{"self":[{"href":"https:\/\/mdcl.issp.u-tokyo.ac.jp\/scc\/wp-json\/wp\/v2\/news\/6319","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mdcl.issp.u-tokyo.ac.jp\/scc\/wp-json\/wp\/v2\/news"}],"about":[{"href":"https:\/\/mdcl.issp.u-tokyo.ac.jp\/scc\/wp-json\/wp\/v2\/types\/news"}],"version-history":[{"count":2,"href":"https:\/\/mdcl.issp.u-tokyo.ac.jp\/scc\/wp-json\/wp\/v2\/news\/6319\/revisions"}],"predecessor-version":[{"id":7578,"href":"https:\/\/mdcl.issp.u-tokyo.ac.jp\/scc\/wp-json\/wp\/v2\/news\/6319\/revisions\/7578"}],"wp:attachment":[{"href":"https:\/\/mdcl.issp.u-tokyo.ac.jp\/scc\/wp-json\/wp\/v2\/media?parent=6319"}],"wp:term":[{"taxonomy":"news-cat","embeddable":true,"href":"https:\/\/mdcl.issp.u-tokyo.ac.jp\/scc\/wp-json\/wp\/v2\/news-cat?post=6319"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}