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Qumulo in GCP: Launch a New Node for an Existing Cloud Cluster

IN THIS ARTICLE 

Outlines how to upgrade an unconfigured node for a Qumulo cluster in GCP

REQUIREMENTS

  • Qumulo cluster in GCP running Qumulo Core 2.14.0 or above
  • Google Cloud Console access with the Google Deployment Manager API enabled
  • Google Cloud account limits large enough to deploy the desired instances and volumes

DETAILS

One of the perks of hosting your storage in the cloud is the ability to dynamically add more capacity as your storage needs increase. Starting up a new node (a.k.a, launching a new instance) is a simple process while adding the instance to an existing cloud cluster is even easier.

There are two methods of deploying nodes for a Qumulo cluster in Google Cloud, depending on how the original cluster was deployed. The first mechanism is specific to clusters deployed via the Google Cloud Marketplace, and the second uses Deployment Manager Templates and is meant to be used with deployments that were configured directly by Qumulo.

NOTE: If Qumulo originally deployed your cluster, you will need to contact care@qumulo.com for assistance to successfully add additional nodes.

Contact your system administrator to confirm which type of deployment you have prior to launching new nodes to add capacity to your cluster via the steps below.

Launch a New Node

  1. Find Qumulo's Google Cloud Marketplace listing matching the SKU of your existing Qumulo cluster. If an image is available with the same version of Qumulo Core used on your cluster, start an instance from this image. Otherwise, choose an image with the closest (older) version.
  2. Launch a new instance for that listing in the same VPC and Security Group as the existing cluster and assign the same IAM role (e.g., for floating IPs).

    GCP_instance_deployment.png
  3. Make the appropriate entries in the sections highlighted above by following these steps:
    • Set the instance count to however many nodes you want to add. Unlike when auto-clustering, there may be fewer than 4.
    • Ensure Automatically cluster your instances is unchecked.
    • Fill out the remaining fields as you did when first deployed your cluster, but use a new deployment name. Make sure you choose the same subnet as the existing cluster’s deployment so the nodes can talk to each other.
  4. Click Deploy. Once the deployment completes, note the list of IP addresses. These IP addresses will be used when adding these nodes to an existing cluster.

    GCP_deployed.png

NOTE: If the existing cluster has IP Failover configured, the new node’s IAM role must match that of existing nodes. See Qumulo in GCP: Configure IP Failover for more details.

Keep in mind that if this new node uses an older version of Qumulo Core than your cluster, it must be upgraded before you can add it to the cluster using the steps provided in the Qumulo in GCP: Upgrade an Unconfigured Node article. Once the software versions match between the cluster and the new node, you can successfully add it to your cluster using the Qumulo in GCP: Add a Node to an Existing Cloud Cluster article as a guide.

RESOLUTION 

You should now be able to successfully launch a new node for an existing Qumulo cloud cluster in GCP

ADDITIONAL RESOURCES

Qumulo in GCP: Upgrade an Unconfigured Node

Qumulo in GCP: Add a Node to an Existing Cloud Cluster

Qumulo in GCP: Deploy a Cloud Cluster

 

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