2. SCALE AND
PERFORMANCE

3. SCALE AND
PERFORMANCE
Maximum number
Improvement
Windows Server
System Resource Windows 2008 R2
2012 factor
Logical processors on hardware 64 320 5×
Physical memory 1 terabyte 4 terabytes 4×
Host Virtual processors per host 512 1,024 2×
Virtual processors per virtual machine 4 64 16×
Memory per virtual machine 64 GB 1 terabyte 16×
Virtual Active virtual machines 384 1,024 2.7×
machine Virtual disk size 2 terabytes 64 terabytes 32×
Nodes 16 64 4×
Cluster Virtual machines 1,000 8,000 8×

5. Manage virtual machines independently Live migration Live migration of
from underlying infrastructure within a cluster storage
Shared-nothing live Hyper-V
Handle changing needs on demand migration Replica

6. VIRTUAL MACHINE
MOBILITY
Live migration based on server Modified pages transferred
Memory handle moved
Storage
Live migration setup
message block (SMB) share
Improvements VM Modified memory pages
Configuration data
Memory content VM
MEMORY
• Faster and simultaneous migration
• Live migration outside a clustered
environment
IP connection
• Store virtual machines on a File Share
SMB network storage

7. VIRTUAL MACHINE
MOBILITY
Disk Reads are mirrored; outstanding
Disk contentswrites go to to new
writes and are copied new
Live migration of storage Reads and writes go to the source VHD
changes are replicated
destination VHD
Move virtual hard disks attached
to a running virtual machine
Computer
Benefits running
• Manage storage in a cloud environment Virtual machine
Hyper-V
with greater flexibility and control
• Move storage with no downtime
• Update physical storage available to a
virtual machine (such as SMB-based Source device Target device
storage)
• Windows PowerShell cmdlets

8. VIRTUAL MACHINE
MOBILITY
DiskDisk writes are mirrored;new
Reads and writes go toto
contents are copied the
Live Migration Completes
Live Migration Continues
Shared-nothing live migration outstandingsourceMigration Begins
source VHD.changes VHDreplicated
destination are
Live VHD
Source Live Migration
Destination
Hyper-V Configuration data
Hyper-V
MEMORY
Modified memory pages
Memory content
Benefits Virtual
machine
Virtual
machine
• Increase flexibility of virtual machine IP connection
placement
• Increase administrator efficiency
• Reduce downtime for migrations across
cluster boundaries Source device Target device

10. VIRTUAL MACHINE
MOBILITY
New feature Primary site Replica site
Replicate Hyper-V virtual machines from a Exchange virtual machine
primary site to a replica site CRM virtual machine IIS virtual machine Exchange
replica
SQL virtual machine virtual
SharePoint virtual machine
Benefits machine
CRM
replica
virtual
• Affordable in-box business continuity and machine
disaster recovery R2
• Failure recovery in minutes Replicate over
R1 R3
P1 P2 WAN link
• More secure replication across network
• No need for storage arrays
• No need for other software replication
SMB file share SAN
Hyper-V role and tools Hyper-V role and tools
technologies
Hyper-V Hyper-V PS Hyper-V Hyper-V PS
• Automatic handling of live migration cmdlets integrated UI cmdlets integrated UI
• Simpler configuration and management
Send/receive
replica traffic
Hyper-V Management Module Hyper-V Management Module
tracks and replicates changes for receives and applies the changes to
each virtual machine the replica virtual machine

12. ISOLATION AND
MULTITENANCY
Resource Pool Internet
25
20
15
5
30
0
10 Resource Metering 55
50
45
40
35
30
25
20
15
10
5
0
Features
• Uses resource pools
Metrics
• Compatible with all Hyper-V Average CPU use Resource Pool Resource Pool
Internet Internet
operations Customer 1 Customer 2
Average memory use
• Unaffected by virtual machine
movement Minimum memory use
• Uses Network Metering Port
ACLs Maximum memory use
Maximum disk allocation
Benefits of Resource
Incoming network traffic
Metering
• Easier to track virtual machine Outgoing network traffic
use
• Can be used to aggregate
data for multiple virtual
machines
Virtual Machine
• Can be used to build accurate 45
30
20
0 Resource Metering
40
25
10
0
lookback and chargeback
solutions
• Easier to obtain resource use A two-tenant environment built with
data
Hyper-V in Windows Server 2012
12