High Availability. Hyper-V includes support for host-to-host connectivity and enables you to cluster all virtual machines running on a host through Windows Clustering (up to 16 nodes). Enterprise or datacenter editions of Windows Server 2008 are needed.
Quick migration. Hyper-V enables you to rapidly migrate a running virtual machined across Hyper-V hosts with minimal downtime, leveraging familiar high-availability capabilities of Windows Server 2008 and System Center management tools.
Quick Migration isn’t the same as VMware vMotion or Citrix XenServer XenMotion. With Quick Migrate there is (small) downtime of the Virtual Machine. The downtime depends on the amount of memory the Virtual Machine is consuming. The Quick Migrate process is: The VM state is saved, the VM is moved to another Hyper-V machine and the VM state is restored.
A Quick migrate of a VM using 1 GB memory takes approximately 4 seconds. The VHD file needs to be stored on a shared storage and you need the same processor architecture across the nodes.
Server Core role. Hyper-V is now available as a role in a Server Core installation of Windows Server 2008.
Integrated into Server Manager. Hyper-V is now integrated into Server Manager by default and customers can now enable the role within Server Manager.
VHD tools. Hyper-V includes support for VHD tools to enable compaction, expansion and inspection of VHDs created with Hyper-V.
Improved access control with AzMan. Hyper-V now includes support for Authorization Manager (AzMan) to enable Role-Based Access Control models for better administration of the Hyper-V environment with increased security.
Host characteristics 16 logical processors, 2TB memory, SAS/SATA/discs and FibreChannel support.
Guest characteristics: 32-bit (x86) and 64-bit (x64) child partitions, 64Gb memory support within VMs, 4 core SMP VMs, max 4 NIC’s.
Live Backups with VSS, Volume Shadow Copy Services (VSS) enables the functionality to take Live Backups of running virtual machines.
Resource Management, CPU, disk and network can be managed using Windows Server Resource Manager (WSRM).
Quick migration. Hyper-V enables you to rapidly migrate a running virtual machined across Hyper-V hosts with minimal downtime, leveraging familiar high-availability capabilities of Windows Server 2008 and System Center management tools.
Quick Migration isn’t the same as VMware vMotion or Citrix XenServer XenMotion. With Quick Migrate there is (small) downtime of the Virtual Machine. The downtime depends on the amount of memory the Virtual Machine is consuming. The Quick Migrate process is: The VM state is saved, the VM is moved to another Hyper-V machine and the VM state is restored.
A Quick migrate of a VM using 1 GB memory takes approximately 4 seconds. The VHD file needs to be stored on a shared storage and you need the same processor architecture across the nodes.
Server Core role. Hyper-V is now available as a role in a Server Core installation of Windows Server 2008.
Integrated into Server Manager. Hyper-V is now integrated into Server Manager by default and customers can now enable the role within Server Manager.
VHD tools. Hyper-V includes support for VHD tools to enable compaction, expansion and inspection of VHDs created with Hyper-V.
Improved access control with AzMan. Hyper-V now includes support for Authorization Manager (AzMan) to enable Role-Based Access Control models for better administration of the Hyper-V environment with increased security.
Host characteristics 16 logical processors, 2TB memory, SAS/SATA/discs and FibreChannel support.
Guest characteristics: 32-bit (x86) and 64-bit (x64) child partitions, 64Gb memory support within VMs, 4 core SMP VMs, max 4 NIC’s.
Live Backups with VSS, Volume Shadow Copy Services (VSS) enables the functionality to take Live Backups of running virtual machines.
Resource Management, CPU, disk and network can be managed using Windows Server Resource Manager (WSRM).
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