{"id":3937,"date":"2020-01-17T15:47:55","date_gmt":"2020-01-17T14:47:55","guid":{"rendered":"https:\/\/hocinfo.com\/?page_id=3937"},"modified":"2020-02-15T19:03:30","modified_gmt":"2020-02-15T18:03:30","slug":"audit-salle-informatique","status":"publish","type":"page","link":"https:\/\/hocinfo.com\/index.php\/audit-salle-informatique\/","title":{"rendered":"Audit de salle informatique"},"content":{"rendered":"<h2>Objectifs de l&rsquo;audit de salle informatique et de Datacenter<\/h2>\n<p>La conception, la modification, l\u2019exploitation et l\u2019am\u00e9lioration continue d\u2019une salle informatique rel\u00e8vent d\u2019une approche multidisciplinaire. Elle exige la coordination de comp\u00e9tences diverses, ainsi que la pleine compr\u00e9hension des principes et m\u00e9canismes de la coh\u00e9rence de leurs interactions. Dans cette optique, l\u2019audit de salle informatique permet d\u2019identifier pr\u00e9cis\u00e9ment quels sont les ajustements, r\u00e9agencements et ajouts n\u00e9cessaires. Ces changements permettront un gain substantiel en mati\u00e8re d\u2019exploitation et de configuration du Datacenter audit\u00e9.<\/p>\n<h3>Les grandes fonctions op\u00e9rationnelles de la salle informatique<\/h3>\n<p>Une salle informatique assure les trois fonctions essentielles list\u00e9es ci-apr\u00e8s. Elles requi\u00e8rent d\u2019ores et d\u00e9j\u00e0 des savoir-faire sp\u00e9cifiques distribu\u00e9s au sein de services ou d\u2019organisations distincts :<\/p>\n<p>La fonction Organisation spatiale de la salle informatique traite par exemple des strat\u00e9gies de racking. Elle aborde \u00e9galement la s\u00e9lection des espaces de distribution des c\u00e2bles ou encore l\u2019\u00e9tanch\u00e9it\u00e9. Ces domaines constituent autant de sous-objectifs \u00e0 atteindre et de sous-fonctions \u00e0 pourvoir. Elle concerne \u00e9galement la gestion des contraintes en mati\u00e8re de contr\u00f4le des acc\u00e8s, de gestion de la charge au sol, de capacit\u00e9 de l\u2019accrochage au plafond\u2026<\/p>\n<p>La fonction d\u2019Alimentation \u00e9nerg\u00e9tique des \u00e9quipements IT et des \u00e9quipements de soutien s\u2019int\u00e9resse aux objectifs de capacit\u00e9, de distribution, de continuit\u00e9 et de disponibilit\u00e9 de l\u2019\u00e9lectricit\u00e9, ainsi qu\u2019aux contraintes de gestion r\u00e9sultantes de la concentration de composants \u00e9lectroniques \u00e9nergivores en salle informatique\u00a0: refroidissement de la zone technique et des mat\u00e9riels, maintien de l\u2019\u00e9quipotentalit\u00e9 \u00e9lectrique, protection contre la pollution \u00e9lectromagn\u00e9tique, pr\u00e9vention et r\u00e9duction des risques \u00e9lectriques dont l\u2019apparition d\u2019incendies.<\/p>\n<p>Enfin, la fonction Structuration du r\u00e9seau IT pose les fondements du fonctionnement et des principes d\u2019interconnexion des couches 1 et 2 des mod\u00e8les TCP\/IP et OSI. Au-del\u00e0 de l\u2019organisation de la distribution du courant faible qui mat\u00e9rialise le r\u00e9seau informatique et de l\u2019innervation des racks au sens strict, la structuration du r\u00e9seau adresse la topologie de commutation en mati\u00e8re de d\u2019interconnexion avec les autres locaux informatiques d\u2019une part, et entre les diff\u00e9rents racks\/baies dispos\u00e9s en salle de l\u2019autre.<\/p>\n<h3>Port\u00e9e et valeur ajout\u00e9e de l&rsquo;audit de salle informatique<\/h3>\n<p>L\u2019\u00e9tude doit notamment op\u00e9rer la distinction entre les travaux d\u2019adaptation\/ajustement\/r\u00e9utilisation de l\u2019existant et ceux se traduisant par de nouvelles installations. L\u2019analyse portera donc aussi, id\u00e9alement, sur l\u2019ensemble des processus et fonctions support de leurs activit\u00e9s respectives.<\/p>\n<p>L\u2019agencement centralis\u00e9 des actifs IT, l\u2019alimentation \u00e9nerg\u00e9tique des \u00e9quipements et leur mise en r\u00e9seau constituent les 3 fonctions fondamentales de la salle informatique. C&rsquo;est \u00e9galement le cas pour le Datacenter consid\u00e9r\u00e9 globalement. Un audit Datacenter complet adresse donc id\u00e9alement ces trois domaines, tout en s\u2019int\u00e9ressant aux strat\u00e9gies d\u2019exploitation du site.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-3942 size-large\" src=\"https:\/\/hocinfo.fr\/wp-content\/uploads\/2020\/01\/Audit-Datacenter-1024x576.png\" alt=\"Audit de salle informatique\" width=\"1024\" height=\"576\" srcset=\"https:\/\/hocinfo.com\/wp-content\/uploads\/2020\/01\/Audit-Datacenter-1024x576.png 1024w, https:\/\/hocinfo.com\/wp-content\/uploads\/2020\/01\/Audit-Datacenter-300x169.png 300w, https:\/\/hocinfo.com\/wp-content\/uploads\/2020\/01\/Audit-Datacenter-768x432.png 768w, https:\/\/hocinfo.com\/wp-content\/uploads\/2020\/01\/Audit-Datacenter.png 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<h3>Focus sur les strat\u00e9gies d&rsquo;exploitation<\/h3>\n<p>A ce niveau, il s\u2019agit d\u2019\u00e9valuer la maturit\u00e9 de l\u2019organisation en mati\u00e8re de gestion des enjeux li\u00e9s \u00e0 l\u2019exploitation. Le processus d\u2019am\u00e9lioration continue du Datacenter et de la salle informatique fait aussi l&rsquo;objet d&rsquo;un examen attentif\u00a0 :<\/p>\n<ul>\n<li><strong>Gestion des inventaires<\/strong> \u2013 au-del\u00e0\u00a0 l\u2019Asset Management classique (vision comptable au sens ITIL \u00ae 4), cette \u00e9tape consiste \u00e0 \u00e9valuer la maturit\u00e9 de gestion du cycle de vie des actifs IT sp\u00e9cifiquement au sein du Datacenter (rationalisation mat\u00e9rielle, capacit\u00e9 \u00e0 localiser pr\u00e9cis\u00e9ment et rapidement un actif, inventaire des sp\u00e9cifications mat\u00e9rielles des actifs et \u00e9valuation des impacts sur le Facility Management, gestion de l\u2019obsolescence, DCIM vs. CMS, etc.) ;<\/li>\n<li><strong>Gestion des incidents<\/strong> (d\u00e9clar\u00e9s par le parties prenantes) <strong>et des \u00e9v\u00e9nements <\/strong>(changements d\u2019\u00e9tat remont\u00e9s par les organes de contr\u00f4le) ;<\/li>\n<li><strong>Gestion des demandes de service<\/strong> (inscrites au Catalogue des services) <strong>et des changements<\/strong> (standards pr\u00e9-valid\u00e9s, normaux et urgents)\u00a0;<\/li>\n<li><strong>Gestion des capacit\u00e9s<\/strong> (\u00e9lectricit\u00e9, espace, production de froid, poids, connecteurs r\u00e9seau\u2026) et maturit\u00e9 du capacity planning global et granulaire\u00a0;<\/li>\n<li><strong>Gestion de la performance \u00e9nerg\u00e9tique<\/strong> par l\u2019emploi d\u2019indicateurs modernes, de moyens m\u00e9trologiques. Audit d&#8217;emploi de techniques d\u2019\u00e9valuation anticip\u00e9e des ajustements strat\u00e9giques de performance ;<\/li>\n<li><strong>Am\u00e9lioration continue<\/strong> de l\u2019ensemble des processus de gestion et d\u2019exploitation.<\/li>\n<\/ul>\n<h3>Compl\u00e9ments d&rsquo;information<\/h3>\n<p>Si vous souhaitez \u00e9voquer votre projet d&rsquo;audit de salle informatique, nous vous invitons \u00e0 <a href=\"\/index.php\/contact\/\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>nous contacter<\/strong><\/a>.<\/p>\n<p>Pour disposer d&rsquo;une vue compl\u00e8te et synth\u00e9tique des fonctions et missions de la salle informatique, nous vous recommandons ce <a href=\"http:\/\/www.cellaconsilium.fr\/fonctions-et-missions-de-la-salle-informatique\/\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>cours d&rsquo;initiation<\/strong><\/a>.<br \/>\nL&rsquo;audit de votre salle peut \u00e9galement s&rsquo;accompagner du pilotage du projet d&rsquo;am\u00e9lioration ou de r\u00e9habilitation, \u00e9ventuellement sur le mode <a href=\"\/wp-content\/uploads\/2019\/11\/Fiche-HYD.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>Hybrid Learning<\/strong><\/a> afin de capitaliser en interne.<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Objectifs de l&rsquo;audit de salle informatique et de Datacenter La conception, la modification, l\u2019exploitation et l\u2019am\u00e9lioration continue d\u2019une salle informatique [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"template-full-custom.php","meta":{"footnotes":""},"class_list":["post-3937","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.9 - 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