There are multiple threads discussing the USB share name duplication issue that causes Safepoint saved on the USB drive to disappear with the latest firmware, here is one such thread others can be found by doing a subforum search:
https://community.wd.com/t/missing-safepoint-after-firmware-update-ver04-04-02-105-2016-jan/149031
When one creates a Safepoint the backup files are accessible and structure just like they are on the My Cloud. Safepoint basically just copies the files from one location to another (the backup location).
