There is a command group 'az_arcdata_dc'. This group of commands could 'create  delete  and manage data controllers'. The group of commands has global parameter '--debug' which means 'Increase logging verbosity to show all debug logs.'. The group of commands has global parameter '--help -h' which means 'Show this help message and exit.'. The group of commands has global parameter '--only-show-errors' which means 'Only show errors, suppressing warnings.'. The group of commands has global parameter '--output -o' which means 'Output format.'. The group of commands has global parameter '--query' which means 'JMESPath query string. See <a href="http://jmespath.org/">http://jmespath.org/</a> for more information and examples.'. The group of commands has global parameter '--subscription' which means 'Name or ID of subscription. You can configure the default subscription using `az account set -s NAME_OR_ID`.'. The group of commands has global parameter '--verbose' which means 'Increase logging verbosity. Use --debug for full debug logs.'. This group contains a child command 'az_arcdata_dc_upgrade'.The syntax is: az arcdata dc upgrade [--desired-version]
                      [--dry-run]
                      [--k8s-namespace]
                      [--name]
                      [--no-wait]
                      [--resource-group]
                      [--target]
                      [--use-k8s]. The 1th example of the child command would be to use it to 'data controller upgrade', the syntax is: az arcdata dc upgrade --k8s-namespace arc --use-k8s. The parameter '--desired-version -v' is optional. the desired version tag to which the data controller will be upgraded, or empty to use the latest valid version.. The parameter '--dry-run -d' is optional. indicates which instance would be upgraded but does not actually upgrade the instances.. The parameter '--k8s-namespace -k' is optional. the kubernetes namespace in which the data controller exists.. The parameter '--name -n' is optional. the name of the data controller.. The parameter '--no-wait' is optional. if given, the command will start the upgrade, but will not wait for the entire upgrade to complete. upgrade will continue in the background.. The parameter '--resource-group -g' is optional. the azure resource group in which the data controller exists.. The parameter '--target' is optional. the desired version tag to which the data controller will be upgraded, or empty to use the latest valid version.. The parameter '--use-k8s' is optional. upgrade data controller using local kubernetes apis.. 