{"id":9802,"date":"2012-03-30T16:49:09","date_gmt":"2012-03-30T16:49:09","guid":{"rendered":"https:\/\/serverlift.com\/?p=3624"},"modified":"2025-01-14T19:49:01","modified_gmt":"2025-01-14T19:49:01","slug":"datacenter-disaster-recovery","status":"publish","type":"post","link":"https:\/\/serverlift.com\/fr\/blog\/datacenter-disaster-recovery\/","title":{"rendered":"R\u00e9cup\u00e9ration apr\u00e8s sinistre du centre de donn\u00e9es"},"content":{"rendered":"

Reprise apr\u00e8s sinistre dans le centre de donn\u00e9es:<\/span><\/h1>\n


\n<\/span>Les catastrophes naturelles sont une r\u00e9alit\u00e9 de la vie. Ils viennent chaque ann\u00e9e avec peu d'avertissement et d\u00e9gagent une force brute incroyable; d\u00e9molir tout ce qui croise leur chemin. Ces \u00abactes de Dieu\u00bb ne jouent pas les favoris et ne se soucient pas de ce qu'ils peuvent d\u00e9truire dans leur sillage. Ils sont impr\u00e9visibles, peu fiables et immuables.<\/span><\/p>\n

Tout comme vous, je choisis o\u00f9 habiter, une entreprise choisit o\u00f9 implanter son centre de donn\u00e9es<\/em> avec une certaine importance accord\u00e9e aux probabilit\u00e9s d'une catastrophe naturelle. Et tout comme vous et moi, ces entreprises peuvent choisir, ou \u00eatre forc\u00e9es, de construire ou de d\u00e9m\u00e9nager dans un endroit o\u00f9 les risques de catastrophe sont plus \u00e9lev\u00e9s.<\/span><\/p>\n

Inevitably data centers will be built in locations that seasonally face the wrath of mother nature and because of this disaster recovery plans (DRP) – sometimes referred to as a business continuity plans (BCP) or business process contingency plans (BPCP) \u2013 have to be put in place, in order for organizations to have a plan describing how to deal with potential disasters.<\/span><\/p>\n

Just as a disaster is an event that makes the continuation of normal functions impossible, a disaster recovery plan consists of the precautions taken so that the effects of a disaster will be minimized and the organization will be able to either maintain or quickly resume mission-critical functions. Typically, planification de la reprise apr\u00e8s sinistre<\/em> implique une analyse des processus op\u00e9rationnels et des besoins de continuit\u00e9; il peut \u00e9galement inclure un accent important sur la pr\u00e9vention des catastrophes, m\u00eame migration du centre de donn\u00e9es<\/a>.<\/span><\/p>\n

Selon les normes de l'industrie, il existe trois approches pour faire face aux catastrophes lorsqu'elles surviennent:<\/strong><\/h4>\n
    \n
  1. Sites de reprise apr\u00e8s sinistre HOT:<\/strong><\/span>
    \n Ces sites conviennent aux applications et services qui sont de nature tr\u00e8s critique et ne peuvent entra\u00eener aucun temps d'arr\u00eat lors d'une catastrophe. Cette approche est requise pour les services strat\u00e9giques tels que les centres de donn\u00e9es bancaires, les sites de transactions en ligne ou les centres de donn\u00e9es de stockage \/ partage. Les sites Hot DR doivent avoir une sauvegarde en ligne de tous les services sur le site de reprise apr\u00e8s sinistre. En cas de catastrophe, le site de reprise apr\u00e8s sinistre \u00e9tablira des connexions et les affaires reprendront leurs activit\u00e9s en un minimum de temps. Cette approche, cependant, est extr\u00eamement co\u00fbteuse et n\u00e9cessite d'\u00e9normes investissements en raison du fait que le centre de donn\u00e9es est mis en miroir \u00e0 l'emplacement du centre de donn\u00e9es DR.<\/span><\/li>\n
  2. Sites DR FROID:<\/strong><\/span>
    \n Les sites Cold DR ont une sauvegarde hors site vers les principaux serveurs et services du centre de donn\u00e9es et en cas de sinistre, la sauvegarde sera restaur\u00e9e sur les serveurs nouvellement acquis et install\u00e9s. Le d\u00e9lai de restauration du service pour ces sites est lent et ne pourra g\u00e9n\u00e9ralement pas reprendre ses activit\u00e9s pendant une semaine ou plus. La planification impliqu\u00e9e dans ces sites particuliers est minime et n\u00e9cessite seulement qu'un espace soit identifi\u00e9 pour le d\u00e9m\u00e9nagement DR et qu'une infrastructure de base soit construite.<\/span><\/li>\n
  3. \n
    Sites de reprise apr\u00e8s sinistre WARM:<\/strong><\/span>
    \n Les sites de r\u00e9cup\u00e9ration \u00e0 chaud sont un m\u00e9lange de solutions de r\u00e9cup\u00e9ration \u00e0 chaud et \u00e0 froid. Seules certaines applications sont prises en compte pour la r\u00e9cup\u00e9ration apr\u00e8s sinistre en raison de contraintes de co\u00fbt ou de la d\u00e9pendance des applications. RTO varie jusqu'\u00e0 quelques jours. Les services sont restaur\u00e9s sur une base de priorit\u00e9 ou de gravit\u00e9. Pour contr\u00f4ler le co\u00fbt, seules les applications essentielles \u00e0 la mission sont prises en compte pour Hot DR et d'autres sont soit d\u00e9plac\u00e9es vers le site de DR, soit reconstruites en cas de catastrophe.<\/span><\/div>\n

    \"R\u00e9cup\u00e9ration
    \n<\/span><\/p>\n<\/li>\n<\/ol>\n


    \nL'approche est consid\u00e9r\u00e9e en fonction de l'interruption tol\u00e9rable maximale (MTO). Le MTO est le temps pendant lequel une organisation peut tol\u00e9rer une panne. Tout incident qui se produit pendant moins de cette p\u00e9riode ne peut pas \u00eatre consid\u00e9r\u00e9 comme une catastrophe. Si l'incident d\u00e9passe cependant le MTO, la direction du centre de donn\u00e9es invoquera alors le plan de reprise apr\u00e8s sinistre, diminuant th\u00e9oriquement l'impact ressenti par l'entreprise.<\/span><\/span><\/p>\n

    Si vous effectuez une migration de centre de donn\u00e9es, voici un article utile sur<\/span>\u00a0\u00e9tapes de migration du centre de donn\u00e9es<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"

    Disaster Recovery in the Data Center: Natural Disasters are a fact of life. They come annually with little warning and exude an incredible brute force; demolishing anything and everything that crosses their path. These \u201cacts of God\u201d do not play favorites or care what they may be destroying in their wake. They are unpredictable, unreliable, […]<\/p>\n","protected":false},"author":2,"featured_media":17123,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":"","_wpscppro_dont_share_socialmedia":null,"_wpscppro_custom_social_share_image":0,"_facebook_share_type":"default","_twitter_share_type":"default","_linkedin_share_type":"default","_pinterest_share_type":"default","_linkedin_share_type_page":"","_instagram_share_type":"default","_medium_share_type":"default","_threads_share_type":"","_google_business_share_type":"","_selected_social_profile":[],"_wpsp_enable_custom_social_template":false,"_wpsp_social_scheduling":{"enabled":false,"datetime":null,"platforms":[],"status":"template_only","dateOption":"today","timeOption":"now","customDays":"","customHours":"","customDate":"","customTime":"","schedulingType":"absolute"},"_wpsp_active_default_template":true},"categories":[78],"tags":[59,93],"class_list":["post-9802","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-data-center","tag-data-center-disaster"],"yoast_head":"\nData Center Disaster Recovery Plan | ServerLIFT\u00ae<\/title>\n<meta name=\"description\" content=\"Disaster recovery plans have to be put in place, in order for organizations to have a plan describing how to deal with potential disasters.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/serverlift.com\/fr\/blog\/datacenter-disaster-recovery\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Data Center Disaster Recovery Plan | ServerLIFT\u00ae\" \/>\n<meta property=\"og:description\" content=\"Disaster recovery plans have to be put in place, in order for organizations to have a plan describing how to deal with potential disasters.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/serverlift.com\/fr\/blog\/datacenter-disaster-recovery\/\" \/>\n<meta property=\"og:site_name\" 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