Unplugged Roamio Plus lost all Recordings

I've searched the forums to see if anyone else experienced this problem and couldn't find anything.

I had upgraded my hard drive with a 3 TB WD AV drive kit I got from eBay. Everything worked fine but when I unplugged it to plug it into a UPS I got the wait one moment message and then when it finished it took me to the TiVo Central screen and all my recordings were gone. I checked the recently deleted area and nothing was there. My one pass settings were still there and my settings look the same but I had no recorded shows.

I am new to TiVo, is this normal? And if not does anyone have any idea what happened?

Thanks for any help