How to Add a Drive to a 2003 Cluster

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Microsoft clustering services (MSCS) for Windows 2003 allow you to group two or more servers together to provide increased availability of resources and applications. One such resource is a physical disk drive (for data storage). You can attach this disk drive either locally (via shared bus) or via a Storage Area Network (SAN).

Add a Drive on a Shared Bus

  • Log in to each server node in your Windows 2003 cluster. Click on "Start," "Shut Down," and then power down each server by clicking "Power Off," then "OK." Power off all servers in the cluster.

  • Add the physical drives to the shared storage bus according to the manufacturer's recommendation and procedures.

  • Power on the first server node in the cluster (leaving the other nodes powered off). Log in to the server with a user ID that has administrative rights. If required, configure the shared storage bus adapter per the manufacturer's recommendation and procedures.

  • Right-click on "My Computer" and click "Manage." Expand computer management (local) and then storage. Left-click on "Disk Management."

  • Right-click on "Disk Management" and click "Rescan Disks." The disk management console will look for newly attached drives and display them in the bottom-right pane. You will see your new drive listed as "Unknown" and "Not Initialized."

  • Right-click the drive you wish to add on the bottom-right pane of the disk management console, and click "Initialize." This writes a signature to the disk drive and changes the status to "Basic" and "Unallocated."

  • Right-click the unallocated space on the drive you wish to add on the bottom-right pane of the disk management console, and click "New Partition." Click "Next," choose "Primary Partition" and click "Next." In the partition size field, choose all the unallocated space and click "Next." Choose to format the drive as "NTFS," enter a name for the volume (or accept the default), and then click "Next" and "Finish."

  • Proceed to the section "Add the Drive as a Clustered Physical Disk Resource."

Add a Drive on a Storage Area Network

  • Power all nodes of the Windows 2003 cluster down.

  • Create a new volume (logical unit number or LUN) on your storage area network hardware per the manufacturer's recommendation and procedures.

  • Present the new LUN to all nodes of your Windows 2003 cluster from within your storage area network administration tools.

  • Power on the first node of your Windows 2003 cluster, and log in with a user ID that has administrative access. If required, configure the Host Bus Adapter or HBA to see the newly presented LUN per the manufacturer's recommendation and procedures. Right-click on "My Computer," and click "Manage."

  • Right-click on "Disk Management" and click "Rescan Disks." The disk management console will look for newly attached disk drives and display them in the bottom-right pane. You will see your new disk drive listed as "Unknown" and "Not Initialized."

  • Right-click the drive you wish to add on the bottom-right pane of the disk management console, and click "Initialize." Select the disk drive you wish to initialize and click "OK". This writes a signature to the disk and changes the status to "Basic" and "Unallocated."

  • Right-click the unallocated space on the drive you wish to add on the bottom-right pane of the disk management console, and click "New Partition." Click "Next," choose "Primary Partition" and click "Next." In the partition size field, choose all the unallocated space and click "Next." Choose the drive letter you want to assign to the new disk and click "Next." Choose to format the drive as "NTFS," enter a name for the volume (or accept the default), and then click "Next" and "Finish."

  • Proceed to the section "Add the Drive as a Clustered Physical Disk Resource."

Add the Drive as a Clustered Physical Disk Resource

  • Click on "Start," "All Programs," "Administrative Tools," "Cluster Administrator" to open the cluster administrator tool.

  • Click "File," "Open Connection," enter a period (.) for the cluster name and click "OK" to connect to the current cluster.

  • Double-click "Groups" in the console tree on the left-hand side of the cluster administrator tool.

  • Left-click on the cluster resource group (in the right-hand pane of cluster administrator) where you would like to add the clustered physical disk resource. Click "File," "New" and "Resource."

  • Type a name and description for the new drive (clustered physical disk) resource, choose the "Physical Disk" resource type and choose the resource group where you would like to add the drive. Click "Next."

  • Add all appropriate cluster member servers to the list of possible resource owners, and click "Next."

  • Remove any resource dependencies by clicking on the resource and clicking "Remove." A clustered physical disk resource is not dependent upon any other type of clustered resource. Click "Next."

  • Choose the new drive you've just added and formatted in the "Physical Disk Parameters" dialog box. Ensure this is correct before continuing since you cannot change it after the resource is corrected. Click "Next" and then "Finish." The clustered drive will be added to the resource group in an "Offline" state.

  • Double-click on the resource group (in the left-hand pane) where you added the drive (or clustered physical disk) resource. Locate your new drive on the right-hand pane. Right-click the drive and click "Bring Online."

  • Power on the next node (member server) in the cluster. If required, ensure the storage controller (HBA or shared bus adapter) is configured to see the storage per the manufacturer's recommendation and procedures. Once the cluster services are online and available, verify that the new physical disk resource can move between the nodes by right-clicking the resource group on the left-hand side and clicking "Move Group." Ensure that all resources in the group go "Online" with the second node as the owner.

  • Repeat Step 10 for each additional node in the cluster, if applicable.

Tips & Warnings

  • When first setting up the clustered physical disk resource, you may want to create a new resource group strictly for the new resource. This allows you to test "Move Group" functionality (or fail-over) of the drive (clustered physical disk) resource between all nodes without affecting other clustered resources. Once you have validated the drive resource works as expected, you can move it to the appropriate cluster resource group and remove the resource group you created for testing.
  • If there are no disks listed in the "Parameters" field in the cluster administrator tool, you may need to add the disk via a command-line utility. See "Microsoft Support: How to Create a Physical Disk Resource with Cluster.exe" in the resources section for more information.

References

  • Photo Credit two computer hard drives image by Elnur from Fotolia.com
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