Saturday, 25 January 2014

What’s new for Hyper-V in Windows Server 2012 R2

With the release of Windows Server 2012 R2 end of the year a lot of new features will be introduced, his post covers Hyper-V.

Generation 2 Virtual Machines
·         A VM with no “Legacy”
·         UEFI based
No emulated devices
Boots off virtual SCSI / network adapters
Supports Secure Boot
·         For now only supported guest OS’s are 64-bit Windows 8 and Windows Server 2012 and later
·         VMs boots seconds faster, OS install much faster
(You will not be able cannot upgrade a Gen1 VM to Gen2 VM because of UFIE (new bootloader) and use of GPT partition and not MBR to boot.)
Gen2VM

Enhanced VM interaction
·         Full remote desktop capabilities, even when the network is down!
·         Integrated into Hyper-V Management experience
·         Virtual machines are automatically activates when hosted on Window Server 2012 Datacenter edition
·         Zero touch activation of VMs for hosters / enterprises
·         Copy and paste rich text and graphics inside hyper-V console!
·         Video and audio over Hyper-V console
·         Copy/paste feature as PowerShell commandlet for non GUI guest
·         USB passthrough can be enabled (GPO) it is tied to "RDP" session of VM remote tool.

2x to 10x Faster Live Migration Zero downtime migration
·         Live migration VMs from Window Server 2012 to Win Server 2012 R2
·         Compression enables over 2x improvement in live migration time
·         SMB Direct support allows for high-speed live migrations over high-end networks (RDMA)
FasterLM1-Hyper-V
Online VHDX resize, Live VM export / clone
·         Increase and decrease the size of VHD while VM is live
·         Export VM while it is running
·         Export snapshot of a VM, while VM keeps running
OnlineVHDResize
Storage QoS
·         Can restrict disk throughput for overactive / disruptive VM
·         Dynamically configurable while VM is running

StorageQoS

Hyper-V Replica
Extended replication, now add a second replica to add extra protection for your VM at offsite location or hoster
ExtendReplication1
Finer grained control of replication, now choose 30 sec interval or 5 minutes (default) For other scenarios choose 15 minutes.
Windows Azure will support orchestration of recovery using Hyper-V DR replica’s and system center VMM on premise.
ReplicaFrequency

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