Thanks for the quick response, I am very relieved. I hope you are able to sort out your issues quickly.

As instructed, I took out the three new 12TB drives and replaced them with 3 old 8TB drives. With the light sector switch to ON, then their LED's were...

Thanks for the reply. I unmounted both volumes (right click and eject on the Mac) and the three lights stayed on, no change. I noticed there is a ...

Great, I was hoping that was the answer. Thanks for the quick feedback.