Dell recommends Windows 8.

Windows Server Migration

Live Migration with Hyper-V

Hyper-V virtualization represents a powerful platform for agile, highly available infrastructure in public clouds or private data centers.

    With Windows Server 2008 R2, Microsoft introduced Live Migration for Hyper-V, a feature that leveled the playing field and heated up the hypervisor war.

    In a TechNet blog posting called “Windows Server 8 Hyper-V Overview” Microsoft Windows Server & Cloud (interesting how those two have been joined…) General Manager Mike Neil looks at the next phase in Hyper-V.

    Neil states: “Using Windows Server 8 Hyper-V, organizations can deliver fully isolated, multi-tenant clouds, enable high-scale and low-cost data centers, and provide the most manageable, extensible, and interoperable platform for cloud.”

    Last December, we discussed new features of the upcoming release of System Center 2012, which would deliver enhanced load-balancing for virtual machines across server clusters. Windows Server 8 Hyper-V drives this even further forward, with improvements to Live Migration, which was first introduced with the current Windows Server 2008 R2.

    In the overview post, Mike Neil boldly declares “complete VM mobility,” citing features such as “Share Nothing Live Migration,” which enables VM migration over simple network connections, and “Live Storage Migration,” which enables no-downtime storage provisioning, servicing, and load-balancing. 

    He makes the broad and probably not literal statement: “Hyper-V has no limits.” The thinking is that live, concurrent server and storage migrations let you migrate as many virtual machines and storage capacity as you’d like, and any part of a virtual machine can be live-migrated with or without a high-availability environment.  In theory, the number of concurrent live migrations is limited only by how much infrastructure you have.

    While Neil concludes that these features make Windows Server 8 the ideal foundation for the cloud, it’s clear that Microsoft is targeting ‘ordinary’ data centers as well, and positioning Hyper-V as the virtualization platform of choice for private clouds now and in the future.

    Coming up next: A medical center uses Hyper-V to create and run multiple high-performance (yet isolated) instances of SQL Server. Tune in tomorrow!


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