Full Factory Restore

My Cloud OS 3 Personal & Network Attached Storage My Cloud
4

Not an expert as I am still learning about this whole WDC Private / Personal Cloud Scheme.

The Full Restore does a low-level format so “ALL” Data will be securely erased and your My Cloud™ will be restore to  factroy level configuration.

http://community.wd.com/t5/My-Book-Live/Low-level-formatting-and-writting-zeros-to-the-hard-drive/m-p/287100/highlight/true#M5757

Part of your 2TB drive contains the linux embedded operating system that powers your My Cloud™ “locally” on your network behind your firewall.