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Windows Server 2012 R2


New for Storage Spaces in Windows Server 2012 R2

 

Technology description


Microsoft has dramatically enhanced their software-defined storage services called “Storage Spaces” in the Windows Server 2012 R2 release, dubbed the Cloud OS.

Windows Server 2012 R2 (WS2012R2) enables cost-effective, highly available, scalable, and flexible storage solutions for business-critical virtual or physical deployments. Storage Spaces delivers sophisticated storage virtualization capabilities that empower customers to use certified storage hardware for scalable multi-node deployments as well as Cluster-in-a-Box dual-node shared storage deployments. It is appropriate for a wide range of customers including enterprise, remote brand office(ROBO) and cloud hosting companies using Windows Server for highly available and scalable storage that is cost-effective.

 

Storage Spaces works by spreading the stripes data and parity information across all the drives in the storage space. For more overview information, see Storage Spaces Overview.

 

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10 Features of Windows Server 2012 R2

 

High-performance Live Migration


Live migration is an important VM mobility feature that has kept getting better and better with Hyper-V since it was introduced with Windows Server 2008 R2. Improving the performance of live migrating a VM from the source host to the target host has been a constant focus for Windows Server, and in Windows Server 2012 R2 these performance improvements have been taken to the next level: Live migration compression is a new feature that accelerates live migration transfer speed by compressing the VHD/VHDX file, improving performance roughly by 2x for most real-life workloads. Live migration with RDMA offload is another new R2 feature, which delivers the highest performance for live migrations on> 10GBit network connections, supporting transfer speeds of up to 56 GB/s, by offloading the transfer to hardware and harnessing the power of remote direct memory access (RDMA) technologies.

 

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