If your issue has been resolved, please mark the appropriate reply as the solution, as it will make it easier for others to find the answer in the future. ... View more

There is an API endpoint for starting all roles on a  host: https://archive.cloudera.com/cm7/7.2.4/generic/jar/cm_api/apidocs/resource_ClouderaManagerResource.html#resource_ClouderaManagerResource_ClouderaManagerResourceV41_hostsStartRolesCommand_POST   For stopping all roles on a host, you have to iterate in your script/code over all role instances deployed on the host, and stop them one after the other. ... View more