Published on March 19, 2014
REBOOT Whats new – Hyper-V 2012 R2 Ravikanth Chaganti MVP, Windows PowerShell Founder, PowerShell Magazine Founder, PowerShell Learning @Ravikanth
REBOOT Agenda • What is new or updated? • Demos
REBOOT VM Generation • Generation 1 Provides the same virtual hardware to the virtual machine as in previous versions of Hyper- V. • Generation 2 Provides the following new functionality on a virtual machine: • Secure Boot (enabled by default) • Boot from a SCSI virtual hard disk • Boot from a SCSI virtual DVD • PXE boot by using a standard network adapter • UEFI firmware support • Cannot be changed after VM creation
REBOOT VM Generation • IDE drives and legacy network adapter has been removed • No support for Physical CD/DVD • No Support for VHD • For Generation 2, guest OS must be: • Windows Server 2012 • Windows Server 2012 R2 • 64-bit versions of Windows 8 • 64-bit versions of Windows 8.1
REBOOT VM Auto Activation • Requires Data Center Edition on host • Host must be activated • Guest OS must be: • 2012 R2 Data Center • 2012 R2 Standard • 2012 R2 Essentials
REBOOT Enhanced Session Mode • Redirect local resources to a VM • Printers, USB, and so on. • Uses RDP via VMBus • Guest OS must be: • Server 2012 R2 • Windows 8.1 • Disabled by default on Hyper-V in Windows Server
REBOOT Copy-VMFile • Copy files to a guest without network! • Guest Services must be enabled • Very useful in deployment automation
REBOOT Online Resize of VHDX • Expand or shrink size of VHDX while VM is running • Supported only for VHDX attached to SCSI controller
REBOOT Export a Live VM • Export VM or VM checkpoint while VM is running • Useful for • Test OS upgrades • Test Patching • Debug OS and Application issues
REBOOT Hyper-V Replica • Configurable replication frequency • Extended Replica
REBOOT Storage QoS • Provides storage performance isolation in multitenant environment • Ability to specify max and min IOPS • Every 8KB is counted as an I/O • Not available on Shared VHDX
REBOOT Shared Virtual Hard Disk • Enables guest clustering using shared VHDX • Guest OS must be: • Server 2012 (with R2 IC) • Server 2012 R2 • Requires at least a two node (Server 2012 R2) Hyper-V cluster
REBOOT Linux Support • Improved Video Support • Dynamic Memory • Online VHDX resize • Online backup
REBOOT Q & A
REBOOT VM Resource Size Resource Server 2012 / R2 Host Logical Processors 320 Physical Memory 4TB Virtual CPUs per Host 2048 Virtual Machine Virtual CPUs per VM 64 Memory per VM 1TB Active VMs per Host 1024 Guest NUMA Yes Cluster Maximum Nodes 64 Maximum VMs 8000
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