Home > Storage > PowerScale (Isilon) > Product Documentation > Data Protection > High Availability and Data Protection with Dell PowerScale Scale-Out NAS > Introduction
Dell PowerScale NAS solutions, powered by the OneFS operating system, use a holistic approach to ensure that data is consistent and intact—both within the file system and when exiting the cluster over a network interface. Furthermore, the OneFS clustering technology is uncompromisingly designed to simplify the management and protection of multi-petabyte datasets.