My current setup is 2x2TB and 2x1.5TB with dual-disk redundancy turned on, for a total of 2.7TB of usable space. I was curious to see what status a single dead drive would leave the drobo in, so I pulled one of the drives. The remaining three drives immediately started flashing yellow/green and I got a notice from the drobo dashboard saying “Drobo cannot currently protect your data against hard drive failures”. Shouldn’t dual-disk redundancy mean I don’t get that message until two drives are removed/failed?
Once my data is backed up somewhere else (hopefully soon) I’ll try again but remove two drives, maybe the dashboard is just being overly cautious with the messages it’s giving me?