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Remove a node from a cluster

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Posted: 16 Nov 2000
 

If you're using a clustering environment, and are faced with needing to remove an unused node from the cluster, here is an easy way to do it:

  • Down the cluster - cluster down on one node
  • Unload cluster NLMs on all nodes - ULDNCS on all nodes
  • Remove the node object from the cluster container - use ConsoleOne.
  • Edit the cluster protocol internals property page to remove that node's entry from the node number to IP address table
  • Remove the node's corresponding CSL license certificate using NWAdmin. Look for a corresponding server assignment in one of the certificates under Novell+NetWare 5 Cluster Server+500
  • Sync up NDS to ensure all changes are replicated
  • Restart the cluster - LDNCS.NCF on all nodes

At this point, some cluster resources may still have the removed node's ID in their failover list, but this is okay. If that node ID ever comes back into the cluster, those resources will automatically be assigned to the new node. If you don't like this, you can delete reference to the node to be removed from each resource before you delete the node object itself. Or, if you don't want to do this, the next time you save any resource's preferred nodes list, the missing nodes will automatically be removed from its list.


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