Configuring CCR Part 5 :Majority Node Set (MNS) Quorum with File Share Witness

Dec 30
2009

First before we can precede you first need to understand what the hell is Majority Node…? Well first you need to download the following update from Microsoft and install it “MS KB 921181” after you install it you can get the ability to use File Share Witness that use outside your Cluster (you can share files that kelps outside the cluster we build between Node1 and Node2).this KB require in our situation because we use the HUB server when we create the Cluster.

Configuring the File Share Witness:

First you need to know that Microsoft recommends creating the share on the Exchange2007 that’s olds the HUB role in your Active Directory (and off course the same AD that you going to deploy the Cluster).

Log on to your Exchange 2007 that’s holds the HUB role and create new folder (no matter where you create it BUT Use drive with space!)Called “MS_FSQ_XCH07CLUSTER” (You can set another name if you like).

Now we need to set the Shares and Permeations on this folder:

  1. Create share on this folder (Share the folder with the default name don’t change it!).
  2. Give permeations to the Domain administrator or the Cluster user we created in the last steps (or not…test environment…)…

 

Note!

The permeations need to be Full Control.

Setting up the folder on Node1

Here we need to set the attribute on the server to point the folder we create one step before pay attention:

Log-on to Node1 and open Command Line, Type:

Cluster res “Majority Node Set” /priv MNSFileShare=\\ServerName\Folder name(MS_FSQ_XCH07CLUSTER) 

Now after you set the syntax as I explain you will get an error massage says “ The properties where started but not all changes will take effect until the next time the resources is brought online “

That’s o.k. all we need to do is to force the changes we just configure and look how it simple to do :

All we need to do is first move the Cluster Group to the other node. Why..?

Because when the cluster moves the group the group going to be in offline state and after the transfer she will come back to be in online mode.

Syntax(Command Line) :

Cluster Group “cluster group” /move

After you press ENTER the cluster moves the group into NODE2!

Confirm Configuration:

Now you need to check the new settings you just configure , so it’s very simple to do .

On the command line Type the following syntax :

Cluster res “majority Node Set” /priv

Now you need to see a list of resources with their values, all we need is the first resource configured with the share folder we set on proviso steps .

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