I have an OWC Thunderbay 4. I didn't realize to use it as a JBOD - which I'm doing - you need to set that up in Disc Utility. I just put in the 4 drives and got to work. I already have lots of data on the drives. Is there any way to make it a JBOD without deleting everything I have on the hard drives? I've already spent days converting footage from AVCHD to Pro Res. I'd rather not repeat the process.