I have been having issues with my OWC RAID 5, ultimately there was a hardware malfunction rendering that RAID 5 dead. During this debacle I had tried to reformat all 4 of the drives on my mac pro running El capitan which did not work, then also on an older MPB running Tiger, this also did not work. I have now purchased all new drives and new RAID case. That problem is solved. The reason I mention this is because now I am having a strange thing happen with my other external drives. I have 3 separate external drives which they are now all appearing in disk utility as "External RAID Media". Prior to my issues with my RAID 5 setup all three of these drives did not show up as "external RAID Media" but for some reason they all are now. I am a bit worried that I may loose all the data on these drives since I have just lost my complete RAID 5 setup and all data. Can anyone shed any light on why this may be occurring?