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Install Azure Container Storage enabled by Azure Arc Cache Volumes

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This article describes the steps to install the Azure Container Storage enabled by Azure Arc extension.

Optional: increase cache disk size

Currently, the cache disk size defaults to 8 GB. If you're satisfied with the cache disk size, see the next section, Install the Azure Container Storage enabled by Azure Arc extension.

If you use Edge Essentials, require a larger cache disk size, and already created a config.json file, append the key and value pair ("cachedStorageSize": "20Gi") to your existing config.json. Don't erase the previous contents of config.json.

If you require a larger cache disk size, create config.json with the following contents:

{
  "cachedStorageSize": "20Gi"
}

Install Azure IoT Operations dependencies

Run the following command to install the Azure IoT Operations dependencies:

az k8s-extension create --cluster-name "${YOUR-CLUSTER-NAME}" --name "${NAME}-certmgr" --resource-group "${YOUR-RESOURCE-GROUP}" --cluster-type connectedClusters --extension-type microsoft.iotoperations.platform --scope cluster --release-namespace cert-manager

Install the Azure Container Storage enabled by Azure Arc extension

Install the Azure Container Storage enabled by Azure Arc extension using the following command:

Note

If you created a config.json file from the previous steps in Prepare Linux, append --config-file "config.json" to the following az k8s-extension create command. Any values set at installation time persist throughout the installation lifetime (including manual and auto-upgrades).

az k8s-extension create --resource-group "${YOUR-RESOURCE-GROUP}" --cluster-name "${YOUR-CLUSTER-NAME}" --cluster-type connectedClusters --name hydraext --extension-type microsoft.arc.containerstorage

Next steps

Once you complete these prerequisites, you can begin to create a Persistent Volume (PV) with Storage Key Authentication.