{"id":54281,"date":"2019-04-16T14:18:19","date_gmt":"2019-04-16T14:18:19","guid":{"rendered":"https:\/\/www.sardinasystems.com\/non-classifiee\/les-defis-poses-par-les-installations-de-recherche-a-ladoption-dopenstack-et-la-maniere-de-les-relever\/"},"modified":"2025-05-14T16:37:31","modified_gmt":"2025-05-14T16:37:31","slug":"the-enterprise-challenges-to-openstack-adoption-and-how-to-address-them","status":"publish","type":"post","link":"https:\/\/www.sardinasystems.com\/fr\/notre-blog\/the-enterprise-challenges-to-openstack-adoption-and-how-to-address-them\/","title":{"rendered":"Les d\u00e9fis pos\u00e9s par les installations de recherche \u00e0 l&rsquo;adoption d&rsquo;OpenStack et la mani\u00e8re de les relever"},"content":{"rendered":"\n<h4 class=\"wp-block-heading\">Le logiciel <a href=\"https:\/\/www.openstack.org\/\" target=\"_blank\" rel=\"noopener nofollow\" title=\"\">OpenStack<\/a> peut vous permettre d&rsquo;acc\u00e9der rapidement \u00e0 la derni\u00e8re technologie cloud et \u00e0 ses avantages.<\/h4>\n\n<p class=\"wp-block-paragraph\"><span lang=\"EN-US\"><\/span><wp-block data-block=\"core\/more\"><\/wp-block><\/p>\n\n<p class=\"wp-block-paragraph\">Les d\u00e9veloppeurs appr\u00e9cient <a href=\"https:\/\/www.sardinasystems.com\/fr\/fishos\/openstack\/\">OpenStack<\/a> pour ses avantages en mati\u00e8re de code source ouvert, sa programmabilit\u00e9 et sa rapidit\u00e9 d&rsquo;innovation.\nLes entreprises, les centres de recherche, etc. aiment OpenStack pour sa transformation rapide afin de faciliter la mission de l&rsquo;organisation, et pour sa flexibilit\u00e9 afin de r\u00e9pondre \u00e0 un large \u00e9ventail de charges de travail et de cas d&rsquo;utilisation de l&rsquo;entreprise.\nNous aimons OpenStack pour toutes ces grandes capacit\u00e9s open-source.  <\/p>\n\n<h4 class=\"wp-block-heading\">Besoins en mati\u00e8re de flexibilit\u00e9, de vitesse et d&rsquo;agilit\u00e9<\/h4>\n\n<p class=\"wp-block-paragraph\">Mais avant qu&rsquo;OpenStack puisse \u00eatre consomm\u00e9 par les d\u00e9veloppeurs (qui sont des consommateurs de services au sein de l&rsquo;entreprise) et avant qu&rsquo;une entreprise puisse r\u00e9colter les nombreux avantages d&rsquo;OpenStack, les op\u00e9rateurs de l&rsquo;entreprise doivent d\u00e9ployer OpenStack.<\/p>\n\n<p class=\"wp-block-paragraph\"><strong>Le d\u00e9fi :<\/strong> OpenStack n&rsquo;est pas un d\u00e9fi pour une entreprise en termes de flux de tr\u00e9sorerie, mais en termes d&rsquo;expertise des d\u00e9veloppeurs et de temps n\u00e9cessaire pour d\u00e9ployer facilement et en douceur le premier syst\u00e8me sans d\u00e9penser trop de temps et d&rsquo;efforts.<\/p>\n\n<p class=\"wp-block-paragraph\"><strong><a href=\"https:\/\/www.sardinasystems.com\/fr\/fishos\/\">La solution<\/a>:<\/strong> une solution flexible, agile et rapide \u00e0 d\u00e9ployer.\nPour une entreprise, le passage de z\u00e9ro \u00e0 un syst\u00e8me OpenStack cloud de production pleinement op\u00e9rationnel ne devrait id\u00e9alement pas prendre plus de \u00ab\u00a0deux tasses de caf\u00e9\u00a0\u00bb. <\/p>\n\n<p class=\"wp-block-paragraph\">Dans les premiers jours d&rsquo;OpenStack, beaucoup d&rsquo;efforts et de fanfare ont \u00e9t\u00e9 consacr\u00e9s \u00e0 la construction d&rsquo;outils de d\u00e9ploiement.\nMais beaucoup de ces outils ont ensuite souffert d&rsquo;un manque de maintenance ou sont devenus un cheval de Troie pour les services de conseil.\nLa mise en \u0153uvre d&rsquo;un nuage OpenStack ne devrait pas \u00eatre une affaire de plusieurs semaines ou plusieurs mois charg\u00e9e de services de conseil !  <\/p>\n\n<p class=\"wp-block-paragraph\">Que diriez-vous de construire un OpenStack Deployer avec toute la configuration centralis\u00e9e et disponible dans un format facile \u00e0 utiliser, avec la configuration HA incluse et le d\u00e9ploiement Ceph int\u00e9gr\u00e9 ?\nCes capacit\u00e9s permettront aux entreprises de b\u00e9n\u00e9ficier rapidement et facilement d&rsquo;une plateforme OpenStack interne compl\u00e8te, tout en garantissant un syst\u00e8me de nuage fluide et flexible, avec une grande efficacit\u00e9 en termes de co\u00fbts. <\/p>\n\n<h4 class=\"wp-block-heading\">Le syst\u00e8me de gestion des ressources<\/h4>\n\n<p class=\"wp-block-paragraph\">Lorsque l&rsquo;on parle d&rsquo;un syst\u00e8me de gestion des ressources pour OpenStack, on imagine un syst\u00e8me con\u00e7u pour garantir une utilisation \u00e9lev\u00e9e des ressources tout en r\u00e9pondant aux objectifs de l&rsquo;entreprise.<\/p>\n\n<p class=\"wp-block-paragraph\"><strong>Le d\u00e9fi :<\/strong> Afin de parvenir \u00e0 une utilisation efficace des ressources, sans compromettre leur disponibilit\u00e9 pour atteindre les objectifs de l&rsquo;entreprise, il y a deux situations \u00e0 g\u00e9rer :<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Compte tenu d&rsquo;un ensemble particulier de nouvelles charges de travail \u00e0 mettre en place, o\u00f9 la charge de travail doit-elle \u00eatre plac\u00e9e, en tenant compte de l&rsquo;utilisation des ressources en direct de toutes les charges de travail existantes dans l&rsquo;ensemble de l&rsquo;\u00e9tablissement ?<\/li>\n\n\n\n<li>Compte tenu d&rsquo;un ensemble de charges de travail ex\u00e9cut\u00e9es au sein de l&rsquo;installation, comment les charges de travail peuvent-elles \u00eatre regroup\u00e9es sur le nombre optimal de serveurs tout en r\u00e9pondant aux besoins en ressources des charges de travail, sans impact sur les performances ?<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\"><strong>La solution :<\/strong> Un syst\u00e8me con\u00e7u pour analyser l&rsquo;utilisation r\u00e9elle des ressources en direct, en tenant compte de ce qui suit :<\/p>\n\n<ul class=\"wp-block-list\">\n<li>tous les hyperviseurs du syst\u00e8me, en tenant compte de leur capacit\u00e9 et de leurs caract\u00e9ristiques.<\/li>\n\n\n\n<li>toutes les charges de travail en cours d&rsquo;ex\u00e9cution, en tenant compte de leur utilisation r\u00e9elle des ressources<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">Cette approche nous permet d&rsquo;optimiser le nombre d&rsquo;hyperviseurs utilis\u00e9s pour h\u00e9berger les charges de travail sans imposer de contraintes \u00e0 ces derni\u00e8res.\nPar cons\u00e9quent, l&rsquo;utilisation d&rsquo;un nombre optimal de serveurs pour h\u00e9berger les charges de travail permettrait aux entreprises de r\u00e9duire les d\u00e9penses d&rsquo;exploitation et les d\u00e9penses d&rsquo;investissement, en diminuant les co\u00fbts de licence et d&rsquo;\u00e9lectricit\u00e9, sans compromettre la disponibilit\u00e9 des ressources pour atteindre les objectifs de l&rsquo;entreprise. <\/p>\n\n<p class=\"wp-block-paragraph\">Il serait absurde de s&rsquo;appuyer simplement sur des donn\u00e9es de \u00ab\u00a0r\u00e9servation\u00a0\u00bb provenant de sp\u00e9cifications fournies par un utilisateur (consommateur de services).\nAvec une telle approche, un ordinateur portable \u00e0 4 c\u0153urs ne ferait qu&rsquo;ex\u00e9cuter 4 applications !\nIl ne serait pas non plus judicieux de proc\u00e9der \u00e0 une surallocation aveugle.\nAvec une telle approche, un ordinateur portable \u00e0 4 c\u0153urs ne ferait qu&rsquo;ex\u00e9cuter des multiples fixes de 4 applications !   <\/p>\n\n<h4 class=\"wp-block-heading\">La phase de mise \u00e0 niveau &#8211; avec z\u00e9ro temps d&rsquo;arr\u00eat peut-\u00eatre ?<\/h4>\n\n<p class=\"wp-block-paragraph\">Pensez \u00e0 l&rsquo;impact de l&rsquo;acc\u00e8s \u00e0 une op\u00e9ration de mise \u00e0 niveau OpenStack sans interruption de service.\nTout syst\u00e8me qui ne peut pas \u00eatre mis \u00e0 niveau sans temps d&rsquo;arr\u00eat peut \u00eatre d\u00e9vastateur pour une entreprise, interrompant les activit\u00e9s commerciales au sein de l&rsquo;entreprise. <\/p>\n\n<p class=\"wp-block-paragraph\"><strong>Le d\u00e9fi :<\/strong> alors qu&rsquo;OpenStack introduit une nouvelle version tous les six mois pour fournir de nouvelles innovations, fonctionnalit\u00e9s et capacit\u00e9s, il introduit \u00e9galement certains d\u00e9fis de mise \u00e0 niveau op\u00e9rationnelle pour les op\u00e9rateurs.<\/p>\n\n<p class=\"wp-block-paragraph\"><strong>La solution :<\/strong> continuez sur votre lanc\u00e9e et mettez \u00e0 jour chaque version d&rsquo;OpenStack pour b\u00e9n\u00e9ficier de meilleures performances et capacit\u00e9s de gestion, en plus de la s\u00e9curit\u00e9.<\/p>\n\n<p class=\"wp-block-paragraph\">Obtenez une solution open-source capable de fournir une <strong>mise \u00e0 niveau OpenStack Zero-Downtime<\/strong> afin d&rsquo;obtenir une disponibilit\u00e9 et une fiabilit\u00e9 \u00e9lev\u00e9es tout au long des processus de mise \u00e0 niveau.\nEn adoptant cette capacit\u00e9, n&rsquo;importe quelle entreprise peut facilement r\u00e9soudre tous les d\u00e9fis de mise \u00e0 niveau op\u00e9rationnelle pour les op\u00e9rateurs.\nIl ne devrait pas s&rsquo;agir d&rsquo;un autre effort charg\u00e9 de services de conseil !  <\/p>\n\n<p class=\"wp-block-paragraph\">C&rsquo;est notre grand objectif pour <strong>OpenStack<\/strong>: permettre \u00e0 toutes les entreprises d&rsquo;acc\u00e9der \u00e0 la technologie OpenStack tout en construisant un nuage innovant, flexible, fiable et \u00e9volutif.<\/p>\n\n<p class=\"wp-block-paragraph\">P.S. : Nous soutenons OpenStack et son mod\u00e8le Open Source, et avec le soutien de la Fondation OpenStack nous voulons offrir un acc\u00e8s gratuit \u00e0 notre OpenStack Deployer pour une p\u00e9riode limit\u00e9e.<\/p>\n\n<p class=\"wp-block-paragraph\">Veuillez nous contacter \u00e0 l&rsquo;adresse suivante <strong><a href=\"mailto:info@sardinasystems.com\">info@sardinasystems.com<\/a><\/strong>.<\/p>\n\n<p class=\"wp-block-paragraph\">Merci de votre attention !<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le logiciel OpenStack peut vous permettre d&rsquo;acc\u00e9der rapidement \u00e0 la derni\u00e8re technologie cloud et \u00e0 ses avantages. Les d\u00e9veloppeurs appr\u00e9cient OpenStack pour ses avantages en mati\u00e8re de code source ouvert, sa programmabilit\u00e9 et sa rapidit\u00e9 d&rsquo;innovation. Les entreprises, les centres de recherche, etc. aiment OpenStack pour sa transformation rapide afin de faciliter la mission de [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":57935,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1277],"tags":[1828,1878,1918,2006,2040,2183,9,1278,1560,1561,1717,1734],"class_list":["post-54281","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-notre-blog","tag-logiciel","tag-calcul-a-haute-performance","tag-virtualisation","tag-sardine","tag-lautomatisation","tag-temps-zero","tag-openstack","tag-poissons","tag-nuage","tag-source-ouverte","tag-systemes-de-sardines","tag-infrastructure-ouverte","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=\"description\" content=\"Les entreprises aiment OpenStack pour sa transformation 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