{"id":54376,"date":"2017-11-30T11:17:13","date_gmt":"2017-11-30T11:17:13","guid":{"rendered":"https:\/\/www.sardinasystems.com\/non-classifiee\/sardina-systems-tout-ce-que-vous-devez-savoir-sur-le-centre-de-donnees-hpc-base-sur-openstack\/"},"modified":"2025-05-14T16:38:08","modified_gmt":"2025-05-14T16:38:08","slug":"all-you-need-to-know-about-openstack-based-hpc-data-center","status":"publish","type":"post","link":"https:\/\/www.sardinasystems.com\/fr\/notre-blog\/all-you-need-to-know-about-openstack-based-hpc-data-center\/","title":{"rendered":"Sardina Systems : Tout ce que vous devez savoir sur le centre de donn\u00e9es HPC bas\u00e9 sur Openstack"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>La solution pour un centre de donn\u00e9es HPC hautement efficace bas\u00e9 sur OpenStack<\/strong><\/p>\n\n<p class=\"wp-block-paragraph\">Ce n&rsquo;est plus un mythe : OpenStack est la principale plateforme cloud open-source &#8211; elle conna\u00eet la croissance la plus rapide, elle est soutenue par une vaste communaut\u00e9 de particuliers et d&rsquo;entreprises et elle cr\u00e9e une plateforme standard que nous pouvons tous utiliser pour construire des clouds ouverts et hautement \u00e9volutifs.\nPlus que cela, OpenStack repr\u00e9sente le meilleur de ce que la technologie cloud a \u00e0 offrir. <\/p>\n\n<!--more-->\n\n<p class=\"wp-block-paragraph\">Mais comment<strong> OpenStack<\/strong> s&rsquo;int\u00e8gre-t-il dans le secteur du <strong>calcul haute performance<\/strong>?<\/p>\n\n<p class=\"wp-block-paragraph\">OpenStack est le r\u00eave de l&rsquo;utilisateur HPC, car il fournit des ressources flexibles et \u00e9volutives de mani\u00e8re dynamique, tout en \u00e9tant instantan\u00e9ment disponibles.<\/p>\n\n<p class=\"wp-block-paragraph\">Du point de vue du mod\u00e8le commercial, OpenStack dans le domaine du calcul intensif est fourni en tant que service aux utilisateurs finaux (consommateurs de services).\nVous payez pour ce qui est consomm\u00e9. <\/p>\n\n<p class=\"wp-block-paragraph\">Un autre avantage est qu&rsquo;il vous permet de construire rapidement un environnement op\u00e9rationnel et qu&rsquo;il offre des environnements flexibles con\u00e7us par les consommateurs pour les consommateurs.<\/p>\n\n<p class=\"wp-block-paragraph\">D&rsquo;un point de vue financier, il est tr\u00e8s efficace parce qu&rsquo;il repose sur un mod\u00e8le qui a fait ses preuves aupr\u00e8s des op\u00e9rateurs de services et des consommateurs et qu&rsquo;il est plus rapide \u00e0 mettre en place, meilleur et plus dynamique, tout en \u00e9tant moins co\u00fbteux.<\/p>\n\n<p class=\"wp-block-paragraph\">Enfin, OpenStack peut prendre en charge la migration en direct \u00e0 partir d&rsquo;un mat\u00e9riel d\u00e9fectueux, ce qui garantit l&rsquo;int\u00e9grit\u00e9 des applications et des donn\u00e9es.<\/p>\n\n<p class=\"wp-block-paragraph\">En gardant \u00e0 l&rsquo;esprit tout ce qui pr\u00e9c\u00e8de, nous avons dress\u00e9 une liste des d\u00e9fis les plus fr\u00e9quents \u00e0 relever dans les environnements HPC :<\/p>\n\n<ul class=\"wp-block-list\">\n<li>M\u00e9lange dynamique et automatique de la demande de ressources<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">Dans les environnements HPC, certaines charges de travail sont domin\u00e9es par les instructions enti\u00e8res, tandis que d&rsquo;autres sont domin\u00e9es par les instructions \u00e0 virgule flottante.\nNous avons besoin d&rsquo;une solution qui prenne automatiquement en compte cet aspect pour d\u00e9cider de la combinaison optimale de machines virtuelles sur tous les h\u00f4tes physiques du centre de donn\u00e9es. <\/p>\n\n<ul class=\"wp-block-list\">\n<li>Redimensionnement dynamique d&rsquo;un centre de donn\u00e9es<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">Le nombre de serveurs peut \u00eatre adapt\u00e9 de mani\u00e8re dynamique aux exigences de la charge de travail, ce qui permet de r\u00e9duire la consommation d&rsquo;\u00e9nergie et d&rsquo;augmenter l&rsquo;utilisation des ressources.<\/p>\n\n<ul class=\"wp-block-list\">\n<li>\u00c9liminer les centres de donn\u00e9es inutilis\u00e9s enti\u00e8rement allou\u00e9s<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">Un probl\u00e8me courant dans le nuage OpenStack est que les ressources peuvent \u00eatre allou\u00e9es aux machines virtuelles, mais que ces derni\u00e8res peuvent \u00eatre inactives, ce qui se traduit par un centre de donn\u00e9es enti\u00e8rement allou\u00e9 mais inactif.\nUn tel gaspillage des ressources du serveur n&rsquo;est pas b\u00e9n\u00e9fique pour l&rsquo;op\u00e9rateur du nuage. <\/p>\n\n<p class=\"wp-block-paragraph\">La solution consiste \u00e0 suivre en permanence l&rsquo;utilisation d\u00e9taill\u00e9e des ressources et \u00e0 comprendre leurs faibles niveaux d&rsquo;utilisation des ressources et d&rsquo;activit\u00e9 du syst\u00e8me, afin de consolider dynamiquement les machines virtuelles inactives sur un nombre aussi r\u00e9duit que possible de serveurs physiques, tout en veillant \u00e0 ce que leurs faibles niveaux de demande de ressources restent satisfaits.\nCela permet de s&rsquo;assurer qu&rsquo;il n&rsquo;y a pas d&rsquo;h\u00f4tes inactifs enti\u00e8rement allou\u00e9s, ce qui \u00e9limine le gaspillage. <\/p>\n\n<ul class=\"wp-block-list\">\n<li>Placement rapide et optimal des machines virtuelles<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">Le placement optimal et rapide des machines virtuelles dans un grand centre de donn\u00e9es en \u00e9volution dynamique est un d\u00e9fi majeur.<\/p>\n\n<p class=\"wp-block-paragraph\">Dans un environnement HPC, cela pourrait \u00eatre particuli\u00e8rement int\u00e9ressant si le flux de travail implique le d\u00e9marrage et l&rsquo;arr\u00eat fr\u00e9quents d&rsquo;un grand nombre de machines virtuelles, par exemple dans le domaine de la physique des particules.<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Architecture hautement disponible<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">Les temps d&rsquo;arr\u00eat sont pr\u00e9judiciables \u00e0 la productivit\u00e9.\nDans une grande installation de calcul intensif, les pannes de mat\u00e9riel sont assez fr\u00e9quentes (en raison du MTBF divis\u00e9 par le grand d\u00e9nominateur du nombre de pi\u00e8ces). <\/p>\n\n<ul class=\"wp-block-list\">\n<li>Cadre de diagnostic de sant\u00e9 et pr\u00e9vention des d\u00e9faillances<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">Suivez l&rsquo;\u00e9tat des serveurs h\u00f4tes et migrez automatiquement la charge de travail vers un autre h\u00f4te.<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Flexible et hautement op\u00e9rationnel<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">Vous devez g\u00e9rer diff\u00e9rents types d&rsquo;automatisation op\u00e9rationnelle qui pourraient autrement n\u00e9cessiter l&rsquo;intervention d&rsquo;un op\u00e9rateur.\nCette conception permet \u00e0 un seul op\u00e9rateur de g\u00e9rer un centre de donn\u00e9es compos\u00e9 de milliers de serveurs h\u00f4tes, ce qui n&rsquo;est pas habituel dans les installations HPC \u00e0 grande \u00e9chelle. <\/p>\n\n<p class=\"wp-block-paragraph\">Nous sommes un partenaire heureux de Cloud28+.<\/p>\n\n<p class=\"wp-block-paragraph\">Veuillez consulter notre page produit FishOS <a href=\"https:\/\/goo.gl\/wAQbTs\">ici.<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>La solution pour un centre de donn\u00e9es HPC hautement efficace bas\u00e9 sur OpenStack Ce n&rsquo;est plus un mythe : OpenStack est la principale plateforme cloud open-source &#8211; elle conna\u00eet la croissance la plus rapide, elle est soutenue par une vaste communaut\u00e9 de particuliers et d&rsquo;entreprises et elle cr\u00e9e une plateforme standard que nous pouvons tous [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":54378,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1277],"tags":[9,22,602,1560,1561,1717,1828,1878,1918,2040,2134,2135],"class_list":["post-54376","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-notre-blog","tag-openstack","tag-hpc","tag-technologie","tag-nuage","tag-source-ouverte","tag-systemes-de-sardines","tag-logiciel","tag-calcul-a-haute-performance","tag-virtualisation","tag-lautomatisation","tag-solutions-sardines","tag-serveurs","grve-entry-item","grve-blog-item"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Mihaela Constantinescu\"\/>\n\t<meta name=\"google-site-verification\" content=\"YVfCqnQOf0V6mfxjzsDB0pjsEIqb38ScpMoHLQQEjys\" 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