Introduction 11Supported Operating SystemThe PowerVault NX1950 cluster solution supports the Windows Unified DataStorage Server 2003, Enterprise x64 Edition operating system.NOTE: The Microsoft Windows Unified Data Storage Server 2003, Standard x64Edition is supported on the PowerVault NX1950 storage system as a stand-alonesolution only. You can purchase an upgrade kit from Dell to upgrade to the WindowsUnified Data Storage Server 2003, Enterprise x64 Edition.For more information about the upgrade procedure, see theDell PowerVault NX1950 Systems Upgrading Your Operating System documentlocated on the Dell Support website at support.dell.com.Cluster Administration and ManagementThe Windows Unified Data Storage Server 2003, Enterprise x64 Editionprovides cluster administration through Cluster Administrator (also referredto as Cluadmin.exe)—a GUI tool and cluster.exe—a CLI tool.Cluster AdministratorCluster Administrator allows administrators to manage cluster objects,establish groups, initiate failover, handle maintenance, and monitor clusteractivity through a convenient graphical interface.Follow one of these procedures to access the Cluster Administrator:• Go to Start→Administrative Tools→Cluster Administrator.• Type cluadmin at the MS-DOS ® prompt.• Access the tool from the PowerVault NX1950 Management Console.For more information about Cluster Administrator, see the Microsoft Supportwebsite at support.microsoft.com.Cluster.exeThe CLI tool for cluster administration is called cluster.exe and can beaccessed from the MS-DOS prompt. For more information on the CLIcommands for this tool, type cluster /? at the MS-DOS prompt or seethe Microsoft Support website at support.microsoft.com.