Article ID: 888160
Article Last Modified on 9/14/2007
APPLIES TO
- Microsoft Windows Server 2003, Enterprise Edition
- Microsoft Windows Server 2003, Enterprise Edition for Itanium-based Systems
Important This article contains information about how to modify the registry. Make sure that you back up the registry before you modify it. Make sure that you know how to restore the registry if a problem occurs. For more information about how to back up, restore, and modify the registry, click the following article number to view the article in the Microsoft Knowledge Base:
322756 How to back up and restore the registry in Windows XP and Windows Vista
SYMPTOMS
If you set up a new server cluster in Windows Server 2003, and the system boot disk, the pagefile disks, and the cluster disks are on the same storage area network (SAN) fabric, a setup failure may occur. In this scenario, the ClusSvc registry subkey may be re-created. Therefore, the ManageDisksOnSystemBuses registry entry is removed, and the server cluster is formed by using a local quorum resource.
In Windows Server 2003, you can use the ManageDisksOnSystemBuses DWORD registry entry to enable the system boot disk, the pagefile disks, and the cluster disks to be on the same bus.
Note After the cluster is installed and configured, an error message that resembles the following may be logged in the %Windir%\Cluster\Cluster.log file:
The errors are logged when disks are enumerated after a group is moved or a node is restarted. If the Quorum disk is on the same bus as the system disk, this problem may cause the Cluster Service to stop.
Note The disk signature that is logged as a problem is not changed. There is no problem with the disk signature.
RESOLUTION
Warning Serious problems might occur if you modify the registry incorrectly by using Registry Editor or by using another method. These problems might require that you reinstall the operating system. Microsoft cannot guarantee that these problems can be solved. Modify the registry at your own risk.
To resolve this problem, install the updated Microsoft Storport storage driver, version 5.2.3790.217, and then modify the registry to add and to enable the ManageDisksOnSystemBuses registry entry in the ClusSvc registry subkey. To do this, follow these steps.
Note These steps must be performed on each node after the node is added to the cluster.
- Install version 5.2.3790.217 of the Storport storage driver. This driver is described in the following article:
883646 The updated Storport storage driver, version 5.2.3790.217, fixes a range of Storport-related problems in Windows Server 2003
- Click Start, click Run, type regedit, and then click OK.
- Locate and then click the following subkey in the registry:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\ClusSvc\ParametersNote If you have Service Pack 1 installed, locate and then click the following subkey in the registry:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Clusdisk\Parameters ManageDisksOnSystemBuses - On the Edit menu, point to New, and then click DWORD Value.
- Type ManageDisksOnSystemBuses for the name of the DWORD, and then press ENTER.
- Right-click ManageDisksOnSystemBuses, and then click Modify.
- In the Value data box, enter a hexadecimal value of 1, and then click OK.
- Exit Registry Editor.
After you install the updated Storport storage driver and modify the registry, follow these steps to complete the procedure:
- After the first node is running the Cluster service, create new disk resources in Cluster Administrator, and then bring them online.
- After all the disks are online, use the procedure in the following article to move the quorum resource from a local disk to a disk resource that appears in the Cluster Administrator tool:
280353 How to change the quorum disk designation
- Add the remaining nodes to the cluster, and then install the updated Storport storage driver. Add and enable the ManageDisksOnSystemBuses registry entry in the ClusSvc registry subkey for each node after it is added.
- Fail over all the resource groups to each cluster node.
STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
MORE INFORMATION
For more information about how to change the quorum on a server cluster, click the following article numbers to view the articles in the Microsoft Knowledge Base:
259267 Microsoft Cluster Service installation resources
280353 How to change the quorum disk designation
For more information about how to configure the quorum disk by using the cluster configuration wizard, click the following article number to view the article in the Microsoft Knowledge Base:
886569 How to add a registry value to a Windows Server 2003-based computer that you start from a SAN so that the startup disk, the pagefile disks, and the cluster disks are all on the same SAN fabric
For more information about how to configure a server cluster, see Windows Server 2003 Help.
Additional query words: MSCS
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