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Hitachi Universal Storage Platform® V

Hitachi Universal Storage Platform V

Live Migration over Distance

VM = Virtual Machine APP = Application

Figure 1. Live Migration over Distance with Hitachi Storage Cluster for Microsoft Hyper-V Live Migration

necessary storage replication technology and advanced recovery capabilities to make it pos- sible to move the associated virtual machine data across distances. Brocade provides the advanced Fibre Channel SAN and network infrastructure components to support and optimize the environment. These components and their roles are summarized below.

The key to making Live Migration over Distance work at distance is for the network latency to be low enough that the final leg of the migration can be completed before a timeout occurs. In addition, when the virtual machine starts in the remote data center, the replicated data must be complete and immediately available for the application to continue without incident.

Microsoft Hyper-V Environment

  • Microsoft Windows Server 2008 R2 and Live Migration Windows Server 2008 R2 adds power- ful enhancements to Hyper-V, including increased availability, improved manage- ment and simplified deployments.

Windows Server 2008 R2 provides a new feature called Live Migration that enables virtual machines to be moved across physical hosts in the data center with no perceived application downtime to its users. In this solution, Live Migration is used to move virtual machines across extended distances to physical hosts located in a geographically separate data center.

As a cornerstone of the Microsoft virtual machine migration, Windows Server Failover Clustering enables virtual machine migrations or failover in disaster recovery scenarios. Windows Server 2008 Server Core Installation is the recommended host platform for deploying production Hyper-V environments.

  • Microsoft System Center Virtual Machine Manager 2008 R2 System Center Virtual Machine Manager R2 (SCVMM) is the Microsoft manage- ment solution for the virtualized data center. It enables consolidation of multiple physical servers onto Hyper-V host serv- ers running as guest virtual machines, provides for rapid provisioning of virtual

machines and enables unified manage- ment of the virtual infrastructure through one console. This solution uses SCVMM 2008 R2 to manage Live Migration. It is the mechanism used to manage the virtual machines in the Windows Server Failover Cluster and also to initiate and track Live Migration times.

Hitachi Storage Solutions

  • Hitachi Storage Cluster for Microsoft

Hyper-V

Hitachi Storage Cluster for Microsoft Hyper-V is a business continuity and disaster recovery solution for Microsoft Hyper-V virtualized environments. Hitachi Storage Cluster software enables the replication of virtual machines and their associated data either locally or across geographically dispersed sites as in the case of the Live Migration solution. Hitachi Storage Cluster enables the automated or manual failover of virtual machines and automated data resynchronization.

Data replication and control are handled by the Hitachi Storage Cluster software and the storage system controllers. This

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