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Hyper-V Comparison:Windows Server 2008 R2 vs Windows Server 2012

2015-08-24 16:03 295 查看
Processor and Memory Support
Processor/Memory Feature
Windows Server 2008 R2
Windows Server 2012
Logical processors on hardware
64
320
Physical memory
1 TB
4 TB
Virtual processors per host
512
2,048
Virtual processors per virtual machine
4
64
Memory per virtual machine
64 GB
1 TB
Active virtual machines
384
1,024
Maximum cluster nodes
16
64
Maximum cluster virtual machines
1,000
8,000
Network
Network Feature
Windows Server 2008 R2
Windows Server 2012
NIC Teaming
Yes, through partners
Yes, Windows NIC Teaming in box
VLAN Tagging
Yes
Yes
MAC spoofing protection
Yes, with R2 SP1
Yes
ARP spoofing protection
Yes, with R2 SP1
Yes
SR-IOV networking
No
Yes
Network QoS
No
Yes
Network metering
No
Yes
Network monitor modes
No
Yes
IPsec task offload
No
Yes
VM Trunk Mode
No
Yes
Storage
Storage Feature
Windows Server 2008 R2
Windows Server 2012
Live storage migration
No, quick storage migration through System Center Virtual Machine Manager
Yes, with no limits (as many as the hardware will allow)
Virtual machines on file storage
No
Yes, Server Message Block 3.0 (SMB3)
Guest Fibre Channel
No
Yes
Virtual disk format
VHD up to 2 TB
VHD up to 2 TB
VHDX up to 64 TB
Virtual machine guest clustering
Yes, through iSCSI
Yes, through iSCSI, Fibre Channel, or Fibre Channel over
Ethernet (FCoE)
Native 4 KB disk support
No
Yes
Live virtual hard disk merge
No, offline
Yes
Live new parent
No
Yes
Secure offloaded data transfer
No
Yes
Manageability
Manageability Feature
Windows Server 2008 R2
Windows Server 2012
Hyper-V PowerShell
No
Yes
Network PowerShell
No
Yes
Storage PowerShell
No
Yes
REST APIs
No
Yes
SCONFIG
Yes
Yes
Enable/Disable shell
No, server core at operating system setup
Yes
VMConnect support for RemoteFX
No
Yes
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