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L’évolution du Datacenter en Centre de Services

image Créer votre nuage privé “Infrastructure as a Service”

Note: ceci est un résumé d’une session des Microsoft Days, pas mon point de vue.

Par Emmanuel Sache, Christophe Dubox, Fabrice Meillon

Cela fait suite à l’offre de cloud privé de HP et Microsoft.

Le DataCenter Dynamique et les “Nuages”

Le DataCenter arrive rapidement à ses limites de resources: matériel, consommation énergétique, espace disponible. Il s’agit de répondre à cette problématique. L’évolution du DataCenter a lieu en plusieurs étapes:

  • virtualisation du DataCenter
  • DataCenter dynamique privé: provisionning, allocation, variation de charge dynamiques

Le Cloud Computing, c’est des technologies, disciplines et modèles commerciaux qui délivrent des capacités informatiques comme un service à la demande.

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Les avantages et motivations du Cloud:

  • maîtrise des coûts et flexibilité de l’IT (on va des coûts matériels CAPEX aux coûts opérationnels OPEX)
  • agilité de la gestion des ressources
  • agilité métier: le métier passe avant l’infrastructure
  • réduction de l’emprunte carbone

Terminologie: tout dépend de l’emplacement des différentes couches:

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Du Centre de Données au Centre de Services

Le DataCenter optimisé

Hyper-V a évolué pour le permettre, avec notamment Live Migration qui permet une optimisation de la disponibilité, en permettant la migration à chaud d’une machine virtuelle entre deux environnements physiques.

Exemple: paramétrage dynamique de la mémoire sur les machines virtuelles:

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System Center s’occupe de la gestion:

  • System Center Virtual Machine Manager gère les environnements hétérogènes: Microsoft Hyper-V et Virtual Server mais aussi VMware ESX
  • System Center Configuration Manager gère l’inventaire, le déploiement, la configuration et la sécurité
  • System Center Operation Manager: supervision, reporting
  • System Center Data Protection Manager: sauvegarde, restauration

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