Home > Storage > PowerScale (Isilon) > Product Documentation > Management and Migration > PowerScale OneFS Authentication, Identity Management, and Authorization > Note to readers
Before making changes on a production cluster, exercise extreme caution. Understand the concepts explained in this paper in their entirety before implementing significant file and permission updates. As with any major infrastructure update, testing changes in a lab environment is best practice. Once updates are confirmed in a lab environment, commence with a gradual roll-out to a production cluster.