Transcript Performance Power Efficiency Reliability Security Native VHD Scalability 1200 Vista SP1 Windows 7 Beta 800400 0 LaptopA (x86) LaptopB (x86) ShipA (x86) ShipB (x86) ShipG (x86) ShipH (x86) ShipI (x86) ShipJ (x86) LaptopA (x64) LaptopB (x64) ShipB (x64) ShipJ (x64)

Performance
Power Efficiency
Reliability
Security
Native VHD
Scalability
1400
1200
Vista SP1
Windows 7 Beta
1000
800
600
400
200
0
LaptopA
(x86)
LaptopB
(x86)
ShipA
(x86)
ShipB
(x86)
ShipG
(x86)
ShipH
(x86)
ShipI (x86) ShipJ (x86) LaptopA
(x64)
LaptopB
(x64)
ShipB
(x64)
ShipJ (x64)
Idle Reference Set
250
Enterprise Full
Enterprise Core
200
MB
150
100
50
0
W2K3
WS08 SP1
WS08 R2
Vista, Server 2008
System Cache, Paged Pool, System Code
P1
P2
…
P1
P2
…
Windows 7, Server 2008 R2
System Cache
Paged Pool
System Code
Great
Click Start Menu
OK
Start Menu Open
Bad
Performance
Power Efficiency
Reliability
Security
Native VHD
Scalability
40.00
35.00
30.00
25.00
20.00
15.00
10.00
5.00
-
+10% CPU = +1.25W
+1.25W = -8.3% battery
0
20
40
60
CPU Utilization (%)
80
100
%idle time (per core Avg.)
Windows*
SP1A
Windows*Vista
7 Build
Windows* 7 Build B
Move right better
Performance
Power Efficiency
Reliability
Security
Native VHD
Scalability
Performance
Power Efficiency
Reliability
Security
Native VHD
Scalability
Visible
but RO
Readme.txt
Hidden files - Must be accessed
using BitLockerToGo.exe
Meta
Data
BitLocker Data File
(COV 0000.ER)
BitLocker Data File
(COV 0000.BL)
Wizard.exe
Virtual
Block
Autorun.inf
BitLocker protected volume
FAT32 Partition
Invisible
Visible, mapped as a volume
Performance
Power Efficiency
Reliability
Security
Native VHD
Scalability
User / Management Application
Diskmgmt.msc
Win32 xxxVirtualDisk()
Diskpart.exe
VDS APIs
*HYPER-V WMI
[Create, Surface, Remove, Merge,
Compact, Convert]
Virtual Volume Stack
Physical Volume Stack
FS Depends
FS Depends
Partmgr
FS
FS
Disk
Volmgr
Volmgr
VHD Driver
*Requires installation of Hyper-V role
Windows
C:\
D:\
VHD
Performance
Power Efficiency
Reliability
Security
Native VHD
Scalability
Group
Group
NUMA Node
NUMA Node
Socket
Socket
Core
Core
Socket
Socket
Core
Core
Core
Core
Core
Core
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
Core
Core
Core
Core
Core
Core
Core
Core
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
NUMA Node
NUMA Node
Socket
Socket
Core
Core
Socket
Socket
Core
Core
Core
Core
Core
Core
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
Core
Core
Core
Core
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
LP
Core
Core
Core
Core
OLTP Workload Throughput
2500
2000
Fibers
1500
Threads
1000
500
0
128 LP
256 LP