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This page outlines how to expand your ClustrixDB Xpand cluster using the Private AMI.

Info

If you have deployed a cluster using the Private AMI, you must continue to use the Private AMI to expand your cluster.

Table of Contents

Obtain the appropriate version of the Private AMI

This can be requested here or by contacting Clustrix Xpand Support. The AMI should be for the appropriate AWS region and be the same as the version of ClustrixDB Xpand that your database is currently running. 

You may have initially provisioned your cluster using a different AMI, then upgraded to a newer version. For expanding your cluster, Clustrix Xpand recommends using the AMI for the version currently in use.

Launch instance(s) of that AMI 

Ensure that the instances use the same configuration options as your current cluster, including:

  • instance type
  • key pair
  • VPC (where applicable)
  • Security Group

Update your License (optional)

If you are expanding your cluster, you may need a license for more cores or nodes. Before expanding your cluster, update your license key in the WebUI or at the command line:

sql> set global license = 'license_key_including_braces';

After each new node has been prepared using the step above, you are now ready to expand your cluster's capacity. 

Add Node(s) to Your Cluster

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Verify Successful Node Addition

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Congratulations, your cluster has been successfully expanded. At this time, your new nodes are part of your cluster and available to service queries, but do not yet contain data. The ClustrixDB Xpand Rebalancer will work in the background to move data onto the new node(s). To monitor this process, refer to the instructions regarding Managing the Rebalancer.

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