How to Cluster SQL Server 2005

The Service Account dialog box is identical to the one you see when you install SQL Server 2005 on a non-cluster, and it is configured the same. Click Next to proceed.

In this dialog box, you must select pre-existing global domain groups that are used to contain the startup account for each clustered service. You can choose to add all three services to the same global domain group, or to create separate global domain groups, one for each service, as has been done above. Once you have selected appropriate domain groups, click Next to proceed.

The next four dialog boxes of the Installation Wizard, not shown here, are the same as for any other installation of SQL Server 2005. After you have completed these steps, the installation of this instance of SQL Server 2005 begins, and you see the following dialog box.

The installation process will take some time as it is installing the binaries on both nodes of the cluster, and installing the system data files on the shared array. The Setup Progress step shows the status of the first node’s install. If you want to see the status of the second node’s install, you can change the drop-down box next to Node to the second node and watch its progress.

As the installation proceeds, you will want to see all green icons next to each installation step. If any step should fail, then the entire installation process will need to be rolled back, any problems fixed, and SQL Server 2005 installed fresh. In most cases, cancelling a bad installation will uninstall what has already been installed, but not always.

Sometimes, if the installation breaks, it just dies and a rollback of what has been done so far will not occur. If this is the case you can either choose to reinstall on top of the existing bad install (which often does not work), manually uninstall the failed installation (check Microsoft’s Web site for assistance in this area), or rebuild your cluster from scratch (starting with the operating system).

It the install was a success, you will see a final dialog box, where you can click Finish. SQL Server 2005 clustering had now been successfully installed on the two cluster nodes.

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