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View Cluster Quorum NodeWeight Settings

 

This topic describes how to view NodeWeight settings for each member node in a Windows Server Failover Clustering (WSFC) cluster. NodeWeight settings are used during quorum voting to support disaster recovery and multi-subnet scenarios for AlwaysOn Availability Groups and SQL Server Failover Cluster Instances.

This feature is supported only in Windows Server 2008 or later versions.

System_CAPS_importantImportant

In order to use NodeWeight settings, the following hotfix must be applied to all servers in the WSFC cluster:

KB2494036: A hotfix is available to let you configure a cluster node that does not have quorum votes in Windows Server 2008 and in Windows Server 2008 R2

System_CAPS_tipTip

If this hotfix is not installed, the examples in this topic will return empty or NULL values for NodeWeight.

The user must be a domain account that is member of the local Administrators group on each node of the WSFC cluster.


To view NodeWeight settings
  1. Connect to any SQL Server instance in the cluster.

  2. Query the [sys].[dm_hadr_cluster_members] view.

The following example queries a system view to return values for all of the nodes in that instance’s cluster.

SELECT  member_name, member_state_desc, number_of_quorum_votes
 FROM   sys.dm_hadr_cluster_members;

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To view NodeWeight settings
  1. Start an elevated Windows PowerShell via Run as Administrator.

  2. Import the FailoverClusters module to enable cluster commandlets.

  3. Use the Get-ClusterNode object to return a collection of cluster node objects.

  4. Output the cluster node properties in a readable format.

The following example output some of the node properties for the cluster called “Cluster001”.

Import-Module FailoverClusters

$cluster = "Cluster001"
$nodes = Get-ClusterNode -Cluster $cluster

$nodes | Format-Table -property NodeName, State, NodeWeight

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System_CAPS_noteNote

The cluster.exe utility is deprecated in the Windows Server 2008 R2 release. Please use PowerShell with Failover Clustering for future development. The cluster.exe utility will be removed in the next release of Windows Server. For more information, see Mapping Cluster.exe Commands to Windows PowerShell Cmdlets for Failover Clusters.


To view NodeWeight settings
  1. Start an elevated Command Prompt via Run as Administrator.

  2. Use cluster.exe to return node status and NodeWeight values

The following example outputs some of the node properties for the cluster called “Cluster001”.

cluster.exe Cluster001 node /status /properties

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