The basic questions here are:
1. can I use DD11 running under windows 7 to format an external usb3 connected HDD to XFS?
2. if that works, can I then use DD11 on the same PC to do a disk check on the XFS formatted usb3 drive? (noted that the info on this function in DD11 says that DD11 just manages the windows disk check program)
The background to the questions is: