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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.



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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