Here are the two links for the new articles:

Windows Server 2008 R2 & Microsoft Hyper-V Server 2008 R2 – Hyper-V Live Migration Overview & Architecture

Step-by-Step Guide to Using Live Migration in Windows Server 2008 R2

Here’s an example graphic of how Live Migration setup handles Configuration Files of the virtual machines:

It is important for you to notice that Live Migration requires Failover Clustering to be configured on all hosts, access to a shared storage (like in NAS or SAN environments) and a special network configured between them to be used only for Live Migration feature.

For more information about Hyper-V Failover Clustering check this guide:Hyper-V Step-by-Step Guide: Hyper-V and Failover Clustering

Complete list of requirements for Live Migration:

• Windows Server 2008 R2 x64 Enterprise Edition
• Windows Server 2008 R2 x64 Datacenter Edition
• Live migration is also supported on Microsoft® Hyper-V™ Server 2008 R2.
• Microsoft Failover Clustering must be configured on all physical hosts that will use live migration
• Failover Clustering supports up to 16 nodes per cluster
• The cluster should be configured with a dedicated network for the live migration traffic
• Physical host servers must use a processor or processors from the same manufacturer
• Physical hosts must be configured on the same TCP/IP subnet
• Physical hosts must have access to shared storage

Other interesting links about Hyper-V, Hyper-V Server and Failover Cluster:

- Hyper-V Planning and Deployment Guide
- Failover Cluster Deployment Guide
- Failover Cluster Step-by-Step Guide: Validating Hardware for a Failover Cluster
- The Microsoft Support Policy for Windows Server 2008 Failover Clusters
- Hyper-V Server 2008 R2 Beta Available for Download
- Hyper-V Server: Installing, configuring and troubleshooting

Cheers!

Infrastructure Planning and Design

The Infrastructure Planning and Design (IPD) guides will help and guide you among the design process giving you all the tools and scenarios needed for a correct design.

The new document available is the complete planning and design for System Center Data Protection Manager 2007 SP1.

Another interesting thing about it, is that the download also includes for each technology not only the document of IPD but also a great PowerPoint that can help you around with maybe a small presentation for your team or management in your company.

Overview

Infrastructure Planning and Design guides share a common structure, including:

• Definition of the technical decision flow through the planning process.
• Listing of decisions to be made and the commonly available options and considerations.
• Relating the decisions and options to the business in terms of cost, complexity, and other characteristics.
• Framing decisions in terms of additional questions to the business to ensure a comprehensive alignment with the appropriate business landscape.

These guides complement product documentation by focusing on infrastructure design options.
Each guide leads the reader through critical infrastructure design decisions, in the appropriate order, evaluating the available options for each decision against its impact on critical characteristics of the infrastructure. The IPD Series highlights when service and infrastructure goals should be validated with the organization and provides additional questions that should be asked of service stakeholders and decision makers.

IPD consists of the following downloadable packages:

• New! Microsoft System Center Data Protection Manager 2007 with SP1
• Exchange Online—Evaluating Software-plus-Services
• Microsoft System Center Configuration Manager 2007 SP1 with R2
• Microsoft Application Virtualization 4.5
• Windows Server 2008 File Services
• Windows Server 2008 Print Services
• Infrastructure Planning and Design Series Introduction
• Internet Information Services 7.0
• Selecting the Right NAP Architecture
• Selecting the Right Virtualization Technology
• System Center Operations Manager 2007
• System Center Virtual Machine Manager 2008
• Windows Deployment Services
• Windows Server 2008 Active Directory Domain Services
• Windows Server 2008 Terminal Services
• Windows Server Virtualization (for Windows Server 2008 Hyper-V and Virtual Server 2005 R2 SP1).

Hope you find it useful!

Cheers!