Transcript Microsoft Virtual Server: Overview and Roadmap Mike Neil Product Unit Manager Windows Virtualization mikeneil @ microsoft.com Microsoft Corporation.

Microsoft Virtual Server:
Overview and Roadmap
Mike Neil
Product Unit Manager
Windows Virtualization
mikeneil @ microsoft.com
Microsoft Corporation
Session Outline
Overview of Virtual Server 2005
Overview
Architecture
Usage scenarios
Server configurations
Server Virtualization Roadmap
Virtual Server 2005 SP1
Overview of enhancements
Windows virtualization futures
Session Goals
Attendees should leave this session with
the following
A solid overview of Microsoft Virtual Server 2005
A better understanding of the roadmap for Microsoft
Virtual Server and Windows virtualization
Virtual Server 2005: Overview
Windows server virtual machine solution
RTM’d October 2004
Hosted on Windows Server 2003 (32-bit)
Windows XP supported for non-production use
Supported guests:
Windows NT4
Windows Server 2000
Windows Server 2003
Many x86 operating systems run, but are not Supported
Virtual Server is licensed per physical machine
Standard Edition $499 (1-4P)
Enterprise Edition $999 (unlimited)
Virtual Server 2005: Overview
Windows service with a web interface
Designed for remote administration
Fully documented
COM API for
scripting and ISVs
Virtualizes
everything you find
in a x86 system
Provides virtual
disks (VHD),
virtual networking
and virtual video
Virtual Server 2005: Architecture
Host OS
Guest OS
Provided by:
Microsoft
Virtual Server
WebApp
Guest
Applications
Virtual Server
Service
ISV
Ring 3
IIS
OEM
Ring 1
Ring 3
VS Additions
Ring 0
Windows (NT4, 2000, 2003)
Windows Server 2003 or XP
Kernel
VMM.sys
Virtual Server
Ring 0
VMM.sys
Designed for Windows Server Hardware
Virtual Server 2005: Usage Scenarios
Production server consolidation
Consolidation of low-utilization workloads
Early adopters running around 3 workloads per CPU
Physical constraints one of the key drivers
Development and test
Rapid provisioning of virtual machines
Undo-disks and saved states help reproduce issues
MSDN licensing covers scenarios
Legacy application re-hosting
Consolidate legacy OS and application on 2003
Legacy OS is still a management issue
Reduces costs of older hardware
Virtual Server 2005: Server Configurations
Memory
A virtual machine needs as much memory as a
physical machine
Plus overhead (~25MB per virtual machine)
Overhead for MMU virtualization, video emulation, etc
CPU
Virtual Server provides CPU allocation controls
Maximum (not to exceed)
Reserve (will always have enough)
Weights (weighted average)
One virtual processor per virtual machine
Scales multiple virtual machines across multiple processors
Virtual Server 2005: Server Configurations
I/O
Virtual machines will be sharing disk and
networking paths
A virtual machine doesn’t do less I/O than a
physical machine
Configure systems with multiple I/O paths
Multiple spindles for disks
Controllers can become the bottleneck
Multiple NICs for performance, isolation and resilience
Fault resilient hardware
With consolidation, all your eggs are in one basket
Server Virtualization Roadmap
Today
Virtual Server 2005 RTM
Virtual Server 2005 SP1 Beta
This year
Virtual Server 2005 SP1 RTM
Future
Windows virtualization
Windows hypervisor
Virtual Server 2005 SP1: Overview
64-bit
x64 hosts - 32-bit guests
Windows Server 2003 Standard x64 Edition
Windows Server 2003 Enterprise x64 Edition
Windows XP Professional x64 Edition
64-bit port of VMM and service
Better scaling from larger kernel address space
x64 systems typically can have more RAM
Additional guest supported
Windows Server 2003 Standard Edition Service Pack 1
Windows XP Professional Service Pack 2
Virtual Server 2005 SP1: Overview
Performance enhancements
Improved shadow page table management
Improved performance of guest process switching and
memory intensive application
65% increase in internal TPC-C in memory tests
Early customer saw a 50% drop in CPU utilization
PXE booting
Emulated Ethernet card now supports PXE booting
No need for a RIS floppy
Integrates virtual machines into
deployment infrastructure
Virtual Server 2005 SP1: Overview
Other improvements
Bug fixes
Improved Hyperthreading support
F6 Disk (SCSI driver)
Virtual disk pre-compactor
Open necessary ports at install time
Reserve space for saved states
Windows Virtualization
Virtualization for Windows Server
Windows hypervisor
Uses Intel VT and AMD “Pacifica” virtualization extensions
Very thin layer of software below all OSes
Provides basic mechanisms for creating partitions
Does not contain device drivers
Virtualization stack
Runs as a foundation role with a minimal set of components
Provides the virtualization and emulation of devices
WMI interface for management and configuration
Virtualization Service Providers (VSPs)
Hardware sharing architecture
Microsoft will provide storage, network, video, USB, input, time
Windows Virtualization: Architecture
Primary Partition
Child Partitions
Virtualization Stack
WMI Provider
VM
Service
Applications
VM Worker
Processes
Ring 3
MinWin
Windows
Kernel
Virtualization
Service
Providers
(VSPs)
IHV
Drivers
VMBus
Virtualization
Service
Clients
(VSCs)
VMBus
Windows
Kernel
Enlightenments
Windows hypervisor
Designed for Windows Server Hardware
Ring 0
Ring “-1”
Windows Virtualization
Some proposed features
32-bit and 64-bit guests
x64-only hosts
Guest multiprocessing
Virtualized devices (VSPs)
WMI management and control API
Save & restore
Snapshoting
Server-specific features
CPU and I/O resource controls
Tuning for NUMA
Dynamic resource addition & removal
Live migration
Community Resources
Windows Hardware & Driver Central (WHDC)
www.microsoft.com/whdc/default.mspx
Technical Communities
www.microsoft.com/communities/products/default.mspx
Non-Microsoft Community Sites
www.microsoft.com/communities/related/default.mspx
Microsoft Public Newsgroups
www.microsoft.com/communities/newsgroups
Technical Chats and Webcasts
www.microsoft.com/communities/chats/default.mspx
www.microsoft.com/webcasts
Microsoft Blogs
www.microsoft.com/communities/blogs
Additional Resources
Email: msvirtex @ microsoft.com
Web Resources
http://www.microsoft.com/virtualserver
MSDN for Virtual Server 2005 COM API
http://msdn.microsoft.com/library/en-us/msvs/msvs/portal.asp
Related Sessions
Windows virtualization architecture
More detailed discussion of hypervisor and Virtualization
Service Providers
Virtualization Technology for AMD Architecture
Virtualization Technology for Intel Architecture