windows 2012 improvements, ODX,VHDX,hyper-v replica, smb direct
from MS manual;
The VHDX format also has the following features:
Larger block sizes for dynamic and differential disks, which allows these disks to attune to the needs of the workload.
4-KB logical sector virtual disk that allows for increased performance when used by applications and workloads that are designed for 4-KB sectors.
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Offloaded data transfer (ODX) in Windows Server 2012 enables you to accomplish more with existing external storage arrays by letting you quickly move large files and virtual machines directly between storage arrays, which reduces host CPU and network resource consumption.
ODX enables rapid provisioning and migration of virtual machines and provides significantly faster transfers of large files, such as database or video files. By offloading the file transfer to the storage array, ODX minimizes latencies, maximizes the use of array throughput, and reduces host resource usage, such as CPU and network consumption. File transfers are automatically and transparently offloaded when you move or copy files, regardless of whether you perform drag-and-drop operations in Windows Explorer or use command-line file copy commands. No administrator setup or intervention is needed.
hyper-v replica -- using integrated authentication --- hyper-v is not encrypted
SMB direct -- need 2 PCs with RDMA NICs
from MS manual;
The VHDX format also has the following features:
Larger block sizes for dynamic and differential disks, which allows these disks to attune to the needs of the workload.
4-KB logical sector virtual disk that allows for increased performance when used by applications and workloads that are designed for 4-KB sectors.
\
Offloaded data transfer (ODX) in Windows Server 2012 enables you to accomplish more with existing external storage arrays by letting you quickly move large files and virtual machines directly between storage arrays, which reduces host CPU and network resource consumption.
ODX enables rapid provisioning and migration of virtual machines and provides significantly faster transfers of large files, such as database or video files. By offloading the file transfer to the storage array, ODX minimizes latencies, maximizes the use of array throughput, and reduces host resource usage, such as CPU and network consumption. File transfers are automatically and transparently offloaded when you move or copy files, regardless of whether you perform drag-and-drop operations in Windows Explorer or use command-line file copy commands. No administrator setup or intervention is needed.
hyper-v replica -- using integrated authentication --- hyper-v is not encrypted
SMB direct -- need 2 PCs with RDMA NICs
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