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How to Rename a Node within a Cluster

Last Updated: Jul 17, 2017 04:01PM PDT

Applies to...

  • DxEnterprise 15.0
  • DxEnterprise 15.5
  • DxEnterprise 16.0
  • DxEnterprise 17.0
  • DxConsole

Summary

How to rename a node that is already a member of a DxConsole or DxEnterprise cluster.

Information

Here are the steps to rename a node. In this example we will be renaming a node from OldName to NewName.

  • Run DxAdmin management console (formerly DxConsole or DxEnterprise management console)
  • Re-host all instances off of node OldName
  • Remove the OldName node from each VHost definition (right-click the node under the VHost and select "Remove a node") – at this point, no active Microsoft SQL Server instances should be running on the node
  • If you have no backup for a given VHost, you will need to delete the VHost, which devirtualizes the instance, and recreate it later (make note of Data and Log paths, port number, etc. before removing)
  • Remove the node from Cluster Membership
  • Follow the OS manufacturer's procedure for renaming the server from OldName to NewName
  • Follow the OS manufacturer's procedure for renaming a stand-alone instance for each instance on the server: https://msdn.microsoft.com/en-us/library/ms143799.aspx– this is independent from any DH2i configuration, and is Microsoft SQL Server specific. Please make sure you select the procedure for your instance versions
  • Once the rename is complete, add the NewName node just as if you were adding a new node to Cluster Membership
  • Add the NewName node back to any VHosts in which it should be a member
  • If you need to recreate a VHost and revirtualize the instance, you can do so now – make sure to uncheck the “New Virtualization” checkbox
  • You should then be able to rehost instances back to NewName if they should be running there.

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