Eyeglass Solutions Publication
Operation Guide




Microsoft Network Load Balancing Operation

NLB status monitoring and stop / start /suspend /resume operations can be done through Powershell commands or NLB Manager UI

PowerShell Commands


We can run some PowerShell commands to monitor the status of NLB and to perform operations.


Executing NLB PowerShell commands requires to import module : NetworkLoadBalancingClusters



Windows PowerShell

Copyright (C) Microsoft Corporation. All rights reserved.


PS C:\Users\Administrator> Import-Module NetworkLoadBalancingClusters


PS C:\Users\Administrator> Get-NlbClusterNode


Name     State              Interface HostID

----     -----              --------- ------

dg-win52 Converged          Ethernet0 3

dg-win51 Converged(default) Ethernet0 1



For complete NLB PowerShell Command refer to this Microsoft document



The most commonly used commands for operation / monitoring:



PowerShell Command



Gets information about a node object or the NLB cluster object that is queried by the caller. Including the State information of cluster node


Gets information about the NLB cluster object that is queried by the caller. (Cluster IP Address, Subnet Mask, Mode)


Gets information about interfaces, including information about the NLB driver, on a host.


Stops a node in a NLB cluster.

Starts a NLB cluster node.


Suspends a specific node in a NLB cluster


Resumes a node in a NLB cluster


NLB Manager UI

Open NLB Manager UI to perform the following Host Control operations:


Stop / Start / Suspend / Resume Node





Eyeglass DR


DR Dashboard

The DR Dashboard is the main status screen for overall PowerScale cluster readiness for a DR event. The DR Status column of this DR Dashboard displays the Readiness validation for Failover.


  1. Click DR Dashboard icon from Eyeglass Web UI


  1. Select type of Readiness. For DFS Mode Failover, select DFS Readiness. Check DR Failover status column to view readiness



  1. Click the Status of the configuration that we want to check under DR Failover Status column of to view the DR Readiness validation details for that particular configuration



  1. And the detailed Readiness validation window will be displayed. We can expand the list  by clicking “+” sign to drill down further details




Failover Log

  1. The Failover Logs can be found by clicking on the DR Assistant on the Eyeglass desktop.



  1. Click on the Failover History tab, to see the list of the past Failover jobs.  By clicking on an individual job, the details of that job will appear in the window below (see screenshot below).






Eyeglass Upgrade

Refer to the Eyeglass Upgrade guide document.


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