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  • Blog Post: PowerShell for Failover Clustering: Changing Values of a Cluster Object

    Hi, This post will discuss changing values of cluster objects using PowerShell in Windows Server 2008 R2. For resources and other components in a cluster, every cluster object has properties (common property). Parameters (private properties) are optional and a cluster object may or may not have...
  • Blog Post: Failover Clustering Performance Counters - Part 1

    Hi Cluster Fans, In Windows Server 2008 R2 we have added performance counters for Failover Clustering. Performance counters are like meters you have on some devices in your house. For instance, your electrical or water meter tracks what utilities you have consumed or your thermometer shows you the...
  • Blog Post: PowerShell for Failover Clustering: Read-Only Cluster Access

    Hi cluster fans, Amongst the list of new features we introduced in Windows Server 2008 R2 Failover Clustering is “read-only cluster access”. Before Windows Server 2008 R2, you were either given full control on the cluster or no control at all. If you wanted to give anyone access to your cluster...
  • Blog Post: Resource Group Management Enhancements in 2008 R2 Failover Clustering – Part 2

    Hi, The first post in this series looked at two changes that have been implemented in Windows Server 2008 R2 Failover Clustering to improve group distribution and resource load balancing amongst nodes, so that each node is more likely to receive an equal number of groups after certain events (such...
  • Blog Post: Resource Group Management Enhancements in 2008 R2 Failover Clustering – Part 1

    In Windows Server 2008 R2 Failover Clustering, some changes have been made and new features added with regard to group placement and resource load balancing. These changes make it easier to manage clustered Hyper-V virtual machines, as well as other clustered roles, so that they are hosted on the best...
  • Blog Post: Failover Clusters, Performance Counters, and PowerShell

    Hi Clustering and Scripting fans, If you’ve done any work with PowerShell v1.0 or v2.0, you have probably realized by now how rich the library of cmdlets is. There are a ton of cmdlets that allow you to automate almost any and everything across the system to use PowerShell. Here is one more thing...
  • Blog Post: DNS Registration with the Network Name Resource

    Hi Cluster Fans, In this post we will discuss some of the implementation details around the Network Name (“NetName”) resource and its behavior in Windows Server 2008 R2. Introduction The purpose of Network Name is to allow clients to be able to resolve the DNS name to an IP Address to establish...
  • Blog Post: What is RHS and what does it do?

    In Window Server 2008 Failover Clustering, the team invested significant time into making clustering easier. In the Windows Server 2008 R2 release we have continued down that path, adding several troubleshooting enhancements. One of the important aspects of troubleshooting a service outage is doing...
  • Blog Post: PowerShell Remoting and the “Double-Hop” Problem

    The “Double-Hop” Problem Most of the newly added PowerShell cmdlets (“command-lets”) in Windows Server 2008 R2 allow easy remote execution by including the -Cluster parameter to indicate the target cluster. However there are occasions when this capability cannot be used for different reasons, such...
  • Blog Post: Rolling Upgrade to Windows Server 2008 SP2 Failover Clustering

    Hi Cluster Fans, Windows Server 2008 Service Pack 2 (SP2) is now available for download on the web! This blog post will walk you through performing a “rolling upgrade” from Windows Server 2008 RTM to Windows Server 2008 SP2. A rolling upgrade allows you to progressively upgrade your cluster nodes...
  • Blog Post: Creating and Configuring a Generic Service Resource

    With Windows Server 2008 (and R2) Failover Clustering you can make almost anything highly-available. This does not only include programs and applications, but you can make any service running on the cluster highly available – even if it is custom or from a 3 rd party. These can be created, managed by...
  • Blog Post: Deploying IIS on a Failover Cluster

    Hi cluster fans , Our general recommendation for achieving high-availability of Internet Information Services (IIS) servers is by using Network Load Balancing (NLB) since the servers tend to be hosts for stateless requests – a customer will visit a website, access content, then leave, and it doesn...
  • Blog Post: High-Availability Education from Hyper-V and Exchange

    Hi cluster fans, Our partners on the Exchange and Hyper-V team have recently published some great resources to improve your high-availability knowledge. Hyper-V: Free Training Microsoft is offering some free training for Hyper-V which includes modules on HA and Failover Clustering. ...
  • Blog Post: PowerShell for Failover Clustering: Frequently Asked Questions & Enabling CSV

    Hi, Today I’m going to talk a little more about PowerShell by answering some of the frequently asked questions I hear. 1) Why is PowerShell better? 2) How do I get started using PowerShell? 3) Where are the properties? 4) Where are the private properties? 5) How do I enable CSV?...
  • Blog Post: Cluster Resources

    Hi Cluster Fans, Resources can be hard to find, so every few months we will be publishing an updated list of useful documents, guides and information to this blog ( http://blogs.msdn.com/clustering/ ). If there is any other useful Microsoft content which you feel is missing, let us know by...
  • Blog Post: Cluster Validation: Missing hotfixes display only the GUID

    Hi Cluster fans, [1/13/2010] UPDATE: This issue has been fixed in Windows Server 2008 R2. All Hotfixes should now correctly return the KB number. If you still see this issue on a 2008 R2 cluster, please let us know by clicking the ‘Email’ link in the upper right of the blog and share the KB number...
  • Blog Post: Clustering is coming to TechEd L.A.

    Hi Cluster Fans, The Clustering & High-Availability team will be coming to TechEd, Los Angeles in May ( website ). We hope some of you can see our sessions and demo Failover Clustering in Windows Server 2008 R2 as a Hands-on-Lab. The cluster team will include Steven Ekren (Senior Program Manager...
  • Blog Post: Creating and Configuring a Generic Application Resource

    Windows Server 2008 (and R2) Failover Clustering supports virtually every workload which comes with Windows Server, however there are many custom and 3 rd party applications which take advantage of our infrastructure to provide high-availability. Additionally there are some applications which were not...
  • Blog Post: Clustering Webcasts for Windows Server 2008 R2 and Cluster Beginners

    Hi cluster fans, We have some upcoming webcasts covering both introductory material and R2 features. If you’re new to clustering and want to learn more, our beginners webcasts will give you a solid foundation. If you want to know more about Failover Clustering in Windows Server 2008 R2 (code name...
  • Blog Post: Network Load Balancing (NLB) and Virtual Machines

    Hi, A lot of people have asked about setting up NLB clusters on virtual machines. This is possible. But, there a few things to keep in mind. If you’re trying to create NLB clusters using Virtual Server Virtual Machines, before designing your solution familiarize yourself with the supported...
  • Blog Post: What the heck is PlumbAllCrossSubnetRoutes?

    Hi cluster fans, If you ever browsed your cluster properties you may have noticed an entry for “PlumbAllCrossSubnetRoutes” and you’ve probably asked yourself, “what the heck is that?” The only thing on the web will point you to MSDN ( http://msdn.microsoft.com/en-us/library/aa371422(VS.85...
  • Blog Post: Deploying Cluster Shared Volumes (CSV) in Windows Server 2008 R2 Failover Clustering

    Hi cluster fans, By now you have probably heard of the new architectural innovation being brought to Failover Clustering in Windows Server 2008 R2 known as Cluster Shared Volumes, or CSV. CSV functions as a distributed-access file system optimized for Hyper-V. A comparison would be to a clustered...
  • Blog Post: Clustering Docs, Blogs & Webcasts

    Hi Cluster Fans, The cluster team has been busy working on some great new features for Failover Clustering in Windows Server 2008 R2. Meanwhile our friends have written some great blog posts which you may find interesting. Thanks, Symon Perriman Program Manager Clustering & High Availability...
  • Blog Post: PowerShell for Network Load Balancing (NLB) in Windows Server 2008 R2

    Hi Cluster Fans, In Windows Server 2008 R2 (“R2”) we are introducing PowerShell as the new scripting language for clustering technologies. PowerShell with Network Load Balancing (NLB) will replace NLB.exe and WLBS.exe. The Windows Server 2008 R2 release is the last release for NLB.exe and WLBS.exe...
  • Blog Post: PowerShell for Failover Clustering in Windows Server 2008 R2

    Hi Cluster Fans, In Windows Server 2008 R2 (“R2”) we are introducing PowerShell as the new scripting language for clustering technologies. PowerShell with Failover Clustering will replace Cluster.exe and the Windows Server 2008 R2 release will be the deprecation release for Cluster.exe. This means...
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