How to move cluster disks in a Windows 2008 failover cluster for Exchange 2007 3 node SCC?

Posted on 2009-12-18
Last Modified: 2012-08-14
I've created a 3 node failover cluster for the purpose of having a 2 active 1 passive Exchange 2007 SCC.  Before creating it I had SAN LUNS created and made available to the 3 servers.  i want each of the 2 active servers to own 2 disks each, but the cluster disks seems to stay together with 1 server.  If I stop cluster services on the owner of the disks they all failover to another.  Will I be able to control which disks are associated with which server after I install Exchange?  What is the command to have the disks move to another server?  i can't seem to have them move unless the cluster services are stopped.
Question by:mbromb
    LVL 7

    Expert Comment

    Cluster resources are assigned to a group.  When a group is moved to another node it moves all the resources in that group.

    To manage a Clustered Mailbox Server (CMS) use the powershell commandlet Move-ClusteredMailboxServer.

    I don't want to offend you, but if you are asking this level of question you need to do a bit of reading on how clusters work before taking on the support of an Exchange cluster.

    Also check out this:

    Author Comment

    I only have the 3 node windows failover cluster created.  Exchange is not installed yet, so there are no CMSs yet, and no resource groups.  I do understand how to move CMSs, and have worked with Exchange clusters, but I'm new to this install process, and am surpised that I'm having trouble splitting the disks up to separate servers before I install Exchange.  So the question is, after I install Exchange to the first active node will I then be able associate the other disks with the second active node so I can install Exchange on it?  I don't want to start installing Exchange if I have the cluster configured incorrectly to begin with.  I have read the articles, but they don't answer this specific question.  
    LVL 7

    Expert Comment

    Before installing Exchange, create a disk resource manually for shared disk.  Assign all the disks to a single group.  Move the group between all the nodes.  As long as they come online and you can read/write to a file you are good.

    Then, do this:
    Node 1: Install an Active Mailbox role (CMS1)
    Node 2: Install an Active Mailbox role (CMS2)
    Node 3: Install a Passive Mailbox role

    Author Comment

    In w2k8 failover cluster manager there is the Storage node that contains all of the Cluster Disks that will be used for the 2 active nodes.   I don't see a way to create a group without having a "Service and Appllication" (exchange) installed into the cluster.  So, it behaves like 1 active/2 passive nodes.  I think I'll be able to group them after the first Exchange install, I hope.  

    Accepted Solution

    OK here's my answer.  I got the Cluster Disks over to the active node I wanted to install the first CMS to by adjusting the Possible Owners on the cluster disks, and stopping the cluster service on the current owner.  I could have used the command "Cluster group "Available Storage" /move:<ActiveNodeName>". I installed the CMS, added the 2 SAN cluster disks to the new CMS as resources in Failover manager.  I could have used the command "Cluster res "cluster disk 1" /move:<CMSName>" .  Then I moved the other disks over to the second active node to be so the disks were available to install the second active CMS.  I could use the command "Cluster group "Available Storage" /move:<ActiveNodeName>" to do that.

    This article the instructions and commands that I needed:

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