Recovering from Drobo failure

So,

Bottom line is I lost the data on the Drobo. I pulled the bay 4 drive (WD 2TB caviar green) and RMAed it. I RESET the Drobo which puts it back to factory default state with 3 drives in it, 1TB, 1.5TB and a 2TB, all WD caviar green. I created a 16TB single volume and I'm using it for time machine only.

I made extra copies of my digital media regardless so thats all covered. I'm looking around now for a QNAP 419 or 459. Enough.