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How to Uninstall a Dual-node MSCS Cluster?

Publication Date:  2012-07-18 Views:  40 Downloads:  0
Issue Description
When a dual-node MSCS cluster is being configured, a misoperation causes configuration termination. At the moment, the cluster can be directly uninstalled without reinstalling the operating system to save time.
Alarm Information
None
Handling Process

This case uses a dual-node MSCS cluster as an example. Node-Main and Node-Backup are the primary and secondary nodes of the cluster. The uninstall procedure is as follows:

 Step 1 Exit the cluster manager respectively from the primary and secondary nodes and stop cluster services.

 Step 2 Delete the cluster configurations of the two nodes forcibly. Secondary node: Run the cluster node Node-Backup /force command on the CLI to delete the secondary node information forcibly. Primary node: Run the cluster node Node-Main /force command on the CLI to delete the primary node information forcibly.

 Step 3 Delete the domain of the secondary node. Run the dcpromo command to open Active Directory Installation Wizard. Continuously click the wizard twice to display the page and clear This server is the last domain controller in the domain. Keep other settings default.

 Step 4 Delete the domain of the primary node. Run the dcpromo command to open Active Directory Installation Wizard. Continuously click the wizard twice to display the page and select This server is the last domain controller in the domain. Keep other settings default.

 Step 5 After both nodes are restarted, change the domain of the secondary node to WORKGROUP. On the secondary node page, choose My Computer > System Properties > Computer Name and click Change to display the Computer Name Changes page. Type WORKGROUP in the Member of text box. In this way, the cluster of the two nodes is successfully deleted.

Root Cause
During cluster configuration, a misoperation causes configuration termination. The cluster needs to be uninstalled and then reconfigured.
Suggestions
Make good preparations before the MSCS cluster is configured and confirm each step during the process to avoid reconfiguration.

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