{"id":821,"date":"2020-07-13T12:41:29","date_gmt":"2020-07-13T10:41:29","guid":{"rendered":"http:\/\/cdc.cyu.fr\/?page_id=821"},"modified":"2025-06-30T16:47:47","modified_gmt":"2025-06-30T14:47:47","slug":"le-systeme-de-stockage","status":"publish","type":"page","link":"https:\/\/cdc.cyu.fr\/index.php\/calculateur-main\/le-systeme-de-stockage\/","title":{"rendered":"Le syst\u00e8me de stockage"},"content":{"rendered":"\n<p>Vos donn\u00e9es sur le cluster Osaka sont g\u00e9r\u00e9es par le syst\u00e8me de stockage distribu\u00e9 <a href=\"https:\/\/www.beegfs.io\">BeeGFS<\/a>. Cela signifie que vos donn\u00e9es sont \u00ab\u00a0d\u00e9coup\u00e9es\u00a0\u00bb et r\u00e9parties sur plusieurs baies de disques afin d\u2019acc\u00e9l\u00e9rer leur acc\u00e8s en lecture \/ \u00e9criture.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Infrastructure mat\u00e9rielle<\/h2>\n\n\n\n<p>Depuis mars 2025, le syst\u00e8me BeeGFS d\u2019osaka dispose de 4 baies\u00a0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>deux baies dites \u00ab<strong>meta-data<\/strong>\u00bb, chacune compos\u00e9e d\u2019un pool de disques SSD mont\u00e9s en RAID 6,<\/li>\n\n\n\n<li>deux baies dites \u00ab<strong>storage<\/strong>\u00bb, chaucune compos\u00e9e de deux pools de disques rotatifs mont\u00e9s  en RAID 6.<\/li>\n<\/ul>\n\n\n\n<p>L\u2019ensemble founit une capacit\u00e9 utile <strong>480 To<\/strong> avec acc\u00e8s en lecture ou \u00e9criture en parall\u00e8le.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Politique de stockage<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Votre quota stockage par d\u00e9faut est de <strong>1 To<\/strong>,<\/li>\n\n\n\n<li>Le quota par d\u00e9faut \u00e9volue automatiquement de <strong>+5%<\/strong> en cas de d\u00e9passement pendant l\u2019ex\u00e9cution d\u2019un job, jusqu\u2019\u00e0 un plafond de <strong>30 To<\/strong> (pouvant \u00eatre n\u00e9goti\u00e9),<\/li>\n\n\n\n<li>Vos donn\u00e9es sont <strong>sauvegard\u00e9es<\/strong>, sur le syst\u00e8me de sauvegarde de l&rsquo;universit\u00e9. Afin d&rsquo;optimiser cette sauvegarde, il est possible de d\u00e9finir des filtres d&rsquo;exclusion sur certains fichiers ou dossiers. Ces filtres sont cr\u00e9\u00e9s \u00e0 la demande, selon votre bonne volont\u00e9.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Vos donn\u00e9es sur le cluster Osaka sont g\u00e9r\u00e9es par le syst\u00e8me de stockage distribu\u00e9 BeeGFS. Cela signifie que vos donn\u00e9es sont \u00ab\u00a0d\u00e9coup\u00e9es\u00a0\u00bb et r\u00e9parties sur plusieurs baies de disques afin d\u2019acc\u00e9l\u00e9rer leur acc\u00e8s en lecture \/ \u00e9criture. Infrastructure mat\u00e9rielle Depuis &hellip; <a href=\"https:\/\/cdc.cyu.fr\/index.php\/calculateur-main\/le-systeme-de-stockage\/\">Continuer la lecture <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":122,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-821","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/cdc.cyu.fr\/index.php\/wp-json\/wp\/v2\/pages\/821","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cdc.cyu.fr\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/cdc.cyu.fr\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/cdc.cyu.fr\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cdc.cyu.fr\/index.php\/wp-json\/wp\/v2\/comments?post=821"}],"version-history":[{"count":22,"href":"https:\/\/cdc.cyu.fr\/index.php\/wp-json\/wp\/v2\/pages\/821\/revisions"}],"predecessor-version":[{"id":1901,"href":"https:\/\/cdc.cyu.fr\/index.php\/wp-json\/wp\/v2\/pages\/821\/revisions\/1901"}],"up":[{"embeddable":true,"href":"https:\/\/cdc.cyu.fr\/index.php\/wp-json\/wp\/v2\/pages\/122"}],"wp:attachment":[{"href":"https:\/\/cdc.cyu.fr\/index.php\/wp-json\/wp\/v2\/media?parent=821"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}