Help Please!

Help required please.

I have 2 x ext ssd both formatted to xfat. Alwyas worked fine in the past, they are expensive samgung evo 4T drives. I wanted to have a mirrired back up drive.

Any i name them DEN 1 SSD and DEN 2 SSD So Denon 1 SSD works fine both on the engine dj software and my players. However DEN 2 SSD is fine in Engine Dj but cannot be seen on any of my players p2 p4 and go when i shut down fire back up still not visible, the machines show nothing attached in the source. Tried to re format no good and also dropped down a few downgrades and nothing??

Can any one assist please :frowning:

Are they in the same enclosure?