Having issues with USB drive attachment

USB content availability option is for cloud access. The USB Drive attached to the my cloud should work regardless of that option. In certain cases certain users are reported at the my cloud becomes unresponsive when a USB Drive is attached or the USB Drive is not mounted. In certain cases if there is a lot of content on the USB Drive it may take the my cloud a long period of time to scan the USB Drive. Here is one recent thread we’re attaching a USB Drive caused the myC loud to go offline.