{"id":1417,"date":"2014-02-05T09:41:30","date_gmt":"2014-02-05T08:41:30","guid":{"rendered":"https:\/\/rentaload.com\/?p=442"},"modified":"2014-02-05T09:41:30","modified_gmt":"2014-02-05T08:41:30","slug":"incidents-dans-data-center-la-reponse-du-banc-de-charge","status":"publish","type":"post","link":"https:\/\/rentaload.com\/fr\/2014\/02\/05\/incidents-dans-data-center-la-reponse-du-banc-de-charge\/","title":{"rendered":"Incidents dans data center, la r\u00e9ponse du banc de charge"},"content":{"rendered":"<p>Une question revient r\u00e9guli\u00e8rement dans nos \u00e9changes sur les risques d&rsquo;une absence de test lors de la recette d&rsquo;un data center. Qu&rsquo;apporte concr\u00e8tement une recette via des bancs de charge\u00a0 ?<\/p>\n<p>Un premier \u00e9l\u00e9ment de r\u00e9ponse r\u00e9side dans un chiffre : <span style=\"color: #ff6600;\"><strong>90 minutes<\/strong><\/span><\/p>\n<p>C&rsquo;est le temps moyen annuel de rupture d&rsquo;alimentation \u00e9lectrique du r\u00e9seau principal (arriv\u00e9e 20 000V) d&rsquo;un data center. C&rsquo;est 90 minutes au moins de fonctionnement sur l&rsquo;UPS et les groupes \u00e9lectrog\u00e8ne. Le banc de charge permet justement de s&rsquo;assurer que ces \u00e9quipements fonctionneront pendant ce labs de temps. Par ailleurs, plusieurs incidents &amp; accidents ont eu des cons\u00e9quences f\u00e2cheuses pour les utilisateurs, les tests avec bancs de charge sont un des moyens de se pr\u00e9munir contre ces d\u00e9fauts\u00a0:<\/p>\n<ul>\n<li style=\"text-align: justify;\"><a href=\"http:\/\/www.channelnews.fr\/actu-societes\/fournisseurs\/16120-incident-majeur-sur-le-datacenter-dc2-diliadonline-a-vitry-sur-seine.html\">Incident majeur sur le datacenter DC2 d\u2019Iliad\/Online \u00e0 Vitry sur seine<\/a>\u00a0: le 4 juillet 2013, suite \u00e0 une coupure de courant chez ErdF (le 20\u00a0000V), les groupes \u00e9lectrog\u00e8nes n\u2019ont pas r\u00e9ussi \u00e0 reprendre la charge \u00e9lectrique des serveurs du data center d\u2019Iliad (filiale de Free). \u00c0 12h37, Online a inform\u00e9 ses utilisateurs que 3 des groupes \u00e9lectriques du datacenter DC2 de Vitry n\u2019avaient pu d\u00e9marrer suite \u00e0 un incident m\u00e9canique. Cette interruption est li\u00e9e \u00e0 la d\u00e9faillance sur une p\u00e9riode de moins d\u2019une heure de 3 groupes \u00e9lectrog\u00e8nes sur les 6 du datacenter. Cet incident s\u2019est traduit par une coupure d\u2019alimentation sur l\u2019une des branches du datacenter et entra\u00eenent l\u2019incapacit\u00e9 des clients \u00e0 acc\u00e9der \u00e0 leurs donn\u00e9es. Situ\u00e9 \u00e0 Vitry-sur-Seine, le datacenter Iliad DC2 s\u2019\u00e9tale sur 4500m2 de salles informatiques.\u00a0Il est aujourd\u2019hui l\u2019un des datacenters de r\u00e9f\u00e9rence pour de nombreux professionnels de l\u2019Internet, avec plus de 500 clients h\u00e9berg\u00e9s sur 1600 baies en production. De nombreux services et sites Web ont \u00e9t\u00e9 inaccessibles durant de longues minutes ce midi. Ce fut\u00a0notamment le cas de\u00a0LaPoste.net, Pecheur.com, DoYouBuzz, Deezer, SensCritique, CleverCloud, mais aussi le JDN, entre autres. (Rapport d\u2019incident\u00a0: <a href=\"http:\/\/forum.online.net\/index.php?\/topic\/3332-incident-coupure-salle-103-rapport-dincident\/\">http:\/\/forum.online.net\/index.php?\/topic\/3332-incident-coupure-salle-103-rapport-dincident\/<\/a> )<\/li>\n<li>29 et 30 octobre 2012\u00a0: Temp\u00eate Sandy provoque une coupure de courant de plusieurs data center \u00e0 New Jersey aux Etats-Unis, suite aux inondations, les efforts pour faire tourner le data center sur les groupes \u00e9lectrog\u00e8nes pendant 2 jours ont \u00e9t\u00e9 v\u00e9cu \u00ab\u00a0comme tr\u00e8s difficile\u00a0\u00bb par le PDG Datagram Alex Reppen. Les tests avec banc de charge avaient \u00e9t\u00e9 effectu\u00e9s peu de temps auparavant et ont permis d\u2019\u00e9viter une rupture d\u2019alimentation data center. (Source\u00a0: <a href=\"http:\/\/www.datacenterknowledge.com\/archives\/2012\/12\/17\/the-year-in-downtime-top-10-outages-of-2012\/\">http:\/\/www.datacenterknowledge.com\/archives\/2012\/12\/17\/the-year-in-downtime-top-10-outages-of-2012\/<\/a> )<\/li>\n<\/ul>\n<p>Il existe de nombreux autres exemples d&rsquo;incidents pour lesquels les bancs de charge avaient montr\u00e9 leur utilit\u00e9 en maintenance pr\u00e9ventive.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Une question revient r\u00e9guli\u00e8rement dans nos \u00e9changes sur les risques d&rsquo;une absence de test lors de la recette d&rsquo;un data center. Qu&rsquo;apporte concr\u00e8tement une recette  [&#8230;]<\/p>\n","protected":false},"author":3,"featured_media":462,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[57],"tags":[],"class_list":["post-1417","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-rentaload-societe"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Incidents dans data center, la r\u00e9ponse du banc de charge - Rentaload<\/title>\n<meta name=\"description\" content=\"Incidents dans data center, la r\u00e9ponse du banc de charge groupe \u00e9lectrog\u00e8ne test essai IST commisioning\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/rentaload.com\/fr\/2014\/02\/05\/incidents-dans-data-center-la-reponse-du-banc-de-charge\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Incidents dans data center, la r\u00e9ponse du banc de charge - 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