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Showing posts from August, 2018

How To: Unjoin NetApp Nodes from a Cluster

Let me paint you a word picture:

You've upgraded to a shiny new AFF - it's all racked, stacked, cabled and ready to rock. You've moved your volumes onto the new storage and your workloads are performing beautifully (of course) and it's time to put your old NetApp gear out to pasture.

We're going to learn how to unjoin nodes from an existing cluster. But wait! There are several prerequisites that must be met before the actual cluster unjoin can be done.


Ensure that you have either moved volumes to your new aggregates or offlined and deleted any unused volumes.Offline and delete aggregates from old nodes.Re-home data LIFs or disable/delete if they are not in use.Disable and delete intercluster LIFs for the old nodes (and remove them from any Cluster Peering relationships)Remove the old node's ports from any Broadcast Domains or Failover Groups that they may be a member of.Move epsilon to one of the new nodes (let's assume nodes 3 and 4 are the new nodes, in th…