Backup your CSV disks with DPM 2010 Beta!

Happy Holidays Cluster Fans!   The System Center Data Protection Manager (DPM) 2010 Beta is now available for download and testing.    This supports backing up your Cluster Shared Volume (CSV) disks, in addition to the following Clustering and Hyper-V features: ·         Supports Windows Server from 2003 through 2008 R2 including Hyper-V Server 2008 and… Read more

Dynamic Disks with Windows Server Failover Clustering

Since Failover Clustering traditionally requires shared storage (you could also use hardware or software replication between nodes), we get a lot of questions about which shared storage types we support.  Windows Server Failover Clustering has a very flexible storage model that allows a wide variety of storage and volume management solutions from 3rd parties to… Read more

Copying VHDs onto a CSV Disk? Use the Coordinator Node!

With Cluster Shared Volumes (CSV) one of the nodes in the cluster is responsible for synchronization of access to files on a shared volume.  This is the node which currently owns the cluster ‘Physical Disk’ resource associated with that LUN, which is referred to as the Coordinator node.  Each LUN can have its own coordinator… Read more

Installing Network Load Balancing (NLB) on Windows Server 2008 R2

Hi,    This post will describe several ways to install Network Load Balancing (NLB) using the command line interface.  In Windows Server 2008 R2 installing Windows Features using scripts at the command line has changed a little since Windows Server 2008.  There are four ways to install the feature:   1.       Server Manger UI 2.       Command Prompt… Read more

PowerShell for NLB: Common Scenarios

Hi,   This is the second blog is our series of posts on PowerShell for Network Load Balancing (NLB).  The first post introduces you to the CMDlets:   Most of NLB CMDlets have the following common parameters.    -InterfaceName Specifies the interface to which NLB is bound  -NodeName Specifies the name of the cluster… Read more

PowerShell Help Online & Management Pack Updates for Failover Clustering & NLB

Hi Cluster Fans,   We have added Windows Server 2008 R2 PowerShell help on TechNet and have updated our Management Packs to support 2008 R2 for System Center Operation Manager (SCOM), for both Failover Clustering and Network Load Balancing.   PowerShell Help Online  With PowerShell help online you can see the same information as the… Read more

Failover Clustering Performance Counters – Part 4 – Command Line

Hi Cluster Fans,   Most of you are familiar with the Performance Monitor that allows you to work with performance counters.  Details have been described in the three previous posts in the series: Part 1, Part 2 and Part 3.   Using the command line, there are several functions which you may find useful.  For… Read more

Microsoft Site Recovery Solutions Featuring Windows Server 2008 R2 Failover Clustering

Hi cluster fans,   This week Microsoft is launching an end-to-end solution to help customers deploy integrated Site Recovery Solutions (  This launch shows how Microsoft and partners like  HP, EMC, HDS, NetApp, DataCore, DoubleTake and SteelEye are leveraging mature and proven technologies like clustering in combination with new virtualization technologies like Hyper-V to provide… Read more


    @if not defined debugbat echo off     : Turn on “delayed expansion” so we can manipulate variables properly in for loops.    setlocal ENABLEDELAYEDEXPANSION     : Defaults    set create=0    set start=0    set stop=0    set delete=0    set show=0    set name=”WSFCCluster”    set out=”c:WSFCCluster”    set filter=”Cluster”     set hosts=     if “%1%” == “” goto Usage :argloop    … Read more

PowerShell for NLB: Part 1: Getting Started

Hi NLB Fans,   NLB provides users with various methods to manage clusters.  In Windows Server 2008, there are 3 ways to manage an NLB cluster:   1.       Network Load balancing Manager GUI (nlbmgr.exe) 2.       NLB command line tool (Nlb.exe) 3.       NLB WMI Provider (root\MicrosoftNLB namespace)   In Windows Server 2008 R2, the NLB team… Read more