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

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

Failover Clustering Performance Counters – Part 3 – Examples

Hi cluster fans, This third post in our series about Failover Clustering Performance Counters will give some practical examples of how to use this new Windows Server 2008 R2 feature to help troubleshoot your cluster. In Part 1 of this blog series we discussed Performance Counters and their interaction with the Network, Multicast Request Reply,… Read more

Failover Clustering Performance Counters – Part 2

Hi Cluster Fans, In Part 1 of this blog series we discussed Performance Counters and their interaction with the Network, Multicast Request Reply, Global Update Manager and Database clustering components.  This post will look at monitoring some additional cluster components:  the Checkpoint Manager, Resource Control Manager, Resource Types, APIs and Cluster Shared Volumes. Checkpoint Manager… Read more

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 current temperature.  They all have at least… Read more

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… Read more